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Lynn McGuire 08-01-2006 12:48 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
> Why do they want to replace the clutch master and slave cylinders? Are they
> leaking? Or are they doing just as a precaution? I would leave them alone
> unless they're leaking.


yes, they are both leaking.

> You may want to get a second opinion on the transmission bearings. Is the
> car driveable? If so, perform the test Tegger recommended. With the car
> warmed up (both the engine and transmission) depress the clutch pedal. Do
> you hear any noises? If so, then they're probably coming from the throwout
> bearing which is normally replaced with the clutch. Now release the
> clutch. Do you hear any new noises that weren't there before? If the
> bearings are indeed noisy, you should hear a whining sound coming from the
> transmission that wasn't there when the clutch pedal was fully depressed. A
> good maintenance interval for the manual transmission oil is to replace it
> every 30K miles. Has this been done on your Civic?


Yes, drivable. The oil has been replaced once to my knowledge.

> By the way, I should probably ask what symptoms the car had that lead you to
> bring it in to the dealer? Is the clutch slipping or was this just a
> regular service? For what it's worth, clutches can often last much longer
> than 80K miles. I have about 120K miles on my clutch with no sign of
> slipping but I tend to go easy on it and I drove mostly freeway miles.


The clutch felt "weird" and the tranny is very tough to shift in and out
of gear when the engine is running. Yes, it does "growl". This is
actually the 2nd clutch replacement. The car has really been abused.
Both our kids were taught to drive in it. Plus my son ran it off the
road one day and hung the tranny on the curb, moving it back 2 inches
(broke the motor mounts). I have always wondered if the drivetrain
was properly aligned after that.

We reduced the amount of work done to replacing the tranny bearings
($500). It was another $650 to replace the gear shafts if they are worn
also. So, I am $2150 for the work getting done right now.

Thanks,
Lynn



Lynn McGuire 08-01-2006 12:48 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
> Why do they want to replace the clutch master and slave cylinders? Are they
> leaking? Or are they doing just as a precaution? I would leave them alone
> unless they're leaking.


yes, they are both leaking.

> You may want to get a second opinion on the transmission bearings. Is the
> car driveable? If so, perform the test Tegger recommended. With the car
> warmed up (both the engine and transmission) depress the clutch pedal. Do
> you hear any noises? If so, then they're probably coming from the throwout
> bearing which is normally replaced with the clutch. Now release the
> clutch. Do you hear any new noises that weren't there before? If the
> bearings are indeed noisy, you should hear a whining sound coming from the
> transmission that wasn't there when the clutch pedal was fully depressed. A
> good maintenance interval for the manual transmission oil is to replace it
> every 30K miles. Has this been done on your Civic?


Yes, drivable. The oil has been replaced once to my knowledge.

> By the way, I should probably ask what symptoms the car had that lead you to
> bring it in to the dealer? Is the clutch slipping or was this just a
> regular service? For what it's worth, clutches can often last much longer
> than 80K miles. I have about 120K miles on my clutch with no sign of
> slipping but I tend to go easy on it and I drove mostly freeway miles.


The clutch felt "weird" and the tranny is very tough to shift in and out
of gear when the engine is running. Yes, it does "growl". This is
actually the 2nd clutch replacement. The car has really been abused.
Both our kids were taught to drive in it. Plus my son ran it off the
road one day and hung the tranny on the curb, moving it back 2 inches
(broke the motor mounts). I have always wondered if the drivetrain
was properly aligned after that.

We reduced the amount of work done to replacing the tranny bearings
($500). It was another $650 to replace the gear shafts if they are worn
also. So, I am $2150 for the work getting done right now.

Thanks,
Lynn



Lynn McGuire 08-01-2006 12:48 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
> Why do they want to replace the clutch master and slave cylinders? Are they
> leaking? Or are they doing just as a precaution? I would leave them alone
> unless they're leaking.


yes, they are both leaking.

> You may want to get a second opinion on the transmission bearings. Is the
> car driveable? If so, perform the test Tegger recommended. With the car
> warmed up (both the engine and transmission) depress the clutch pedal. Do
> you hear any noises? If so, then they're probably coming from the throwout
> bearing which is normally replaced with the clutch. Now release the
> clutch. Do you hear any new noises that weren't there before? If the
> bearings are indeed noisy, you should hear a whining sound coming from the
> transmission that wasn't there when the clutch pedal was fully depressed. A
> good maintenance interval for the manual transmission oil is to replace it
> every 30K miles. Has this been done on your Civic?


Yes, drivable. The oil has been replaced once to my knowledge.

> By the way, I should probably ask what symptoms the car had that lead you to
> bring it in to the dealer? Is the clutch slipping or was this just a
> regular service? For what it's worth, clutches can often last much longer
> than 80K miles. I have about 120K miles on my clutch with no sign of
> slipping but I tend to go easy on it and I drove mostly freeway miles.


The clutch felt "weird" and the tranny is very tough to shift in and out
of gear when the engine is running. Yes, it does "growl". This is
actually the 2nd clutch replacement. The car has really been abused.
Both our kids were taught to drive in it. Plus my son ran it off the
road one day and hung the tranny on the curb, moving it back 2 inches
(broke the motor mounts). I have always wondered if the drivetrain
was properly aligned after that.

We reduced the amount of work done to replacing the tranny bearings
($500). It was another $650 to replace the gear shafts if they are worn
also. So, I am $2150 for the work getting done right now.

Thanks,
Lynn



Elle 08-01-2006 08:31 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
"Eric" <say.no@spam.now> wrote
> Elle wrote:
>>
>> Can you hear any unusual noises? Grating or growling
>> sounds?
>>
>> I'd make them demonstrate the noise first, either while
>> driving around town or by putting the car on a lift and
>> running it.
>>
>> In the alternative, get a second opinion.
>>
>> I base this on a whopping three weeks of instruction on
>> manual transmissions but some other experience with large
>> machinery bearings over many years.
>>
>> My instructor last week said even on a transmission
>> overhaul, the shaft bearings were to be left alone unless
>> there was evidence of failure. He said these bearings can
>> last well past the life of a car, as long as they are
>> properly lubricated (= sufficent oil in the case, and oil
>> changed at specified intervals).

>
> When I worked in a Honda repair shop I used to rebuild
> Manual
> transmissions. We replaced all bearings in the
> transmission as standard
> procedure.


I believe you, of course. It makes sense, at least per my
reasoning farther down.

The discussion with the instructor came up because of an ASE
test question:
Technician A says it is a good practice to replace all
bearings when overhauling a manual transmission. Technician
B says bearings can be reused when overhauling a manual
transmission. Who is correct?
A. A
B. B
C. Both A and B
D. Neither A nor B

The instructor said B was the ASE answer. He customarily
will say when an ASE question is stupid, in his opinion, but
instead this time he elaborated as described above. He also
mentioned bearing costs.

I see that the mainshaft and countershaft bearings purchased
OEM online for my 91 Civic add up to about $108 total. This
I imagine is a small fraction of the total cost of a rebuilt
transmission by a reputable shop, especially one working
with the dealer. Given this and the not too rare reports of
Honda bearing failures, it makes perfect sense to me for a
serious shop (e.g. the dealer or a shop with a reputation)
to replace all the bearings. The risk of a comeback seems
too high.

Perhaps independent shops with somewhat shadetree oriented
mechanics catering to a crowd on a budget and with low
prices etc. might argue as the ASE question does.

If I were the customer, I'd want the independent shop
mechanic to explain this to me and give me a choice: Let
him/er decide if the bearing needed replacement, or just
replace all the tranny bearings, at an additional cost of
xyz.

Though I would think it's not like Honda owners have a
pressing need to obtain rebuilt manual trannies. Do they?
It's serious abuse that generally produces that need, ISTM,
based on my whopping three weeks and one day of manual
trannies course...



Elle 08-01-2006 08:31 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
"Eric" <say.no@spam.now> wrote
> Elle wrote:
>>
>> Can you hear any unusual noises? Grating or growling
>> sounds?
>>
>> I'd make them demonstrate the noise first, either while
>> driving around town or by putting the car on a lift and
>> running it.
>>
>> In the alternative, get a second opinion.
>>
>> I base this on a whopping three weeks of instruction on
>> manual transmissions but some other experience with large
>> machinery bearings over many years.
>>
>> My instructor last week said even on a transmission
>> overhaul, the shaft bearings were to be left alone unless
>> there was evidence of failure. He said these bearings can
>> last well past the life of a car, as long as they are
>> properly lubricated (= sufficent oil in the case, and oil
>> changed at specified intervals).

>
> When I worked in a Honda repair shop I used to rebuild
> Manual
> transmissions. We replaced all bearings in the
> transmission as standard
> procedure.


I believe you, of course. It makes sense, at least per my
reasoning farther down.

The discussion with the instructor came up because of an ASE
test question:
Technician A says it is a good practice to replace all
bearings when overhauling a manual transmission. Technician
B says bearings can be reused when overhauling a manual
transmission. Who is correct?
A. A
B. B
C. Both A and B
D. Neither A nor B

The instructor said B was the ASE answer. He customarily
will say when an ASE question is stupid, in his opinion, but
instead this time he elaborated as described above. He also
mentioned bearing costs.

I see that the mainshaft and countershaft bearings purchased
OEM online for my 91 Civic add up to about $108 total. This
I imagine is a small fraction of the total cost of a rebuilt
transmission by a reputable shop, especially one working
with the dealer. Given this and the not too rare reports of
Honda bearing failures, it makes perfect sense to me for a
serious shop (e.g. the dealer or a shop with a reputation)
to replace all the bearings. The risk of a comeback seems
too high.

Perhaps independent shops with somewhat shadetree oriented
mechanics catering to a crowd on a budget and with low
prices etc. might argue as the ASE question does.

If I were the customer, I'd want the independent shop
mechanic to explain this to me and give me a choice: Let
him/er decide if the bearing needed replacement, or just
replace all the tranny bearings, at an additional cost of
xyz.

Though I would think it's not like Honda owners have a
pressing need to obtain rebuilt manual trannies. Do they?
It's serious abuse that generally produces that need, ISTM,
based on my whopping three weeks and one day of manual
trannies course...



Elle 08-01-2006 08:31 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
"Eric" <say.no@spam.now> wrote
> Elle wrote:
>>
>> Can you hear any unusual noises? Grating or growling
>> sounds?
>>
>> I'd make them demonstrate the noise first, either while
>> driving around town or by putting the car on a lift and
>> running it.
>>
>> In the alternative, get a second opinion.
>>
>> I base this on a whopping three weeks of instruction on
>> manual transmissions but some other experience with large
>> machinery bearings over many years.
>>
>> My instructor last week said even on a transmission
>> overhaul, the shaft bearings were to be left alone unless
>> there was evidence of failure. He said these bearings can
>> last well past the life of a car, as long as they are
>> properly lubricated (= sufficent oil in the case, and oil
>> changed at specified intervals).

>
> When I worked in a Honda repair shop I used to rebuild
> Manual
> transmissions. We replaced all bearings in the
> transmission as standard
> procedure.


I believe you, of course. It makes sense, at least per my
reasoning farther down.

The discussion with the instructor came up because of an ASE
test question:
Technician A says it is a good practice to replace all
bearings when overhauling a manual transmission. Technician
B says bearings can be reused when overhauling a manual
transmission. Who is correct?
A. A
B. B
C. Both A and B
D. Neither A nor B

The instructor said B was the ASE answer. He customarily
will say when an ASE question is stupid, in his opinion, but
instead this time he elaborated as described above. He also
mentioned bearing costs.

I see that the mainshaft and countershaft bearings purchased
OEM online for my 91 Civic add up to about $108 total. This
I imagine is a small fraction of the total cost of a rebuilt
transmission by a reputable shop, especially one working
with the dealer. Given this and the not too rare reports of
Honda bearing failures, it makes perfect sense to me for a
serious shop (e.g. the dealer or a shop with a reputation)
to replace all the bearings. The risk of a comeback seems
too high.

Perhaps independent shops with somewhat shadetree oriented
mechanics catering to a crowd on a budget and with low
prices etc. might argue as the ASE question does.

If I were the customer, I'd want the independent shop
mechanic to explain this to me and give me a choice: Let
him/er decide if the bearing needed replacement, or just
replace all the tranny bearings, at an additional cost of
xyz.

Though I would think it's not like Honda owners have a
pressing need to obtain rebuilt manual trannies. Do they?
It's serious abuse that generally produces that need, ISTM,
based on my whopping three weeks and one day of manual
trannies course...



Elle 08-01-2006 08:31 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
"Eric" <say.no@spam.now> wrote
> Elle wrote:
>>
>> Can you hear any unusual noises? Grating or growling
>> sounds?
>>
>> I'd make them demonstrate the noise first, either while
>> driving around town or by putting the car on a lift and
>> running it.
>>
>> In the alternative, get a second opinion.
>>
>> I base this on a whopping three weeks of instruction on
>> manual transmissions but some other experience with large
>> machinery bearings over many years.
>>
>> My instructor last week said even on a transmission
>> overhaul, the shaft bearings were to be left alone unless
>> there was evidence of failure. He said these bearings can
>> last well past the life of a car, as long as they are
>> properly lubricated (= sufficent oil in the case, and oil
>> changed at specified intervals).

>
> When I worked in a Honda repair shop I used to rebuild
> Manual
> transmissions. We replaced all bearings in the
> transmission as standard
> procedure.


I believe you, of course. It makes sense, at least per my
reasoning farther down.

The discussion with the instructor came up because of an ASE
test question:
Technician A says it is a good practice to replace all
bearings when overhauling a manual transmission. Technician
B says bearings can be reused when overhauling a manual
transmission. Who is correct?
A. A
B. B
C. Both A and B
D. Neither A nor B

The instructor said B was the ASE answer. He customarily
will say when an ASE question is stupid, in his opinion, but
instead this time he elaborated as described above. He also
mentioned bearing costs.

I see that the mainshaft and countershaft bearings purchased
OEM online for my 91 Civic add up to about $108 total. This
I imagine is a small fraction of the total cost of a rebuilt
transmission by a reputable shop, especially one working
with the dealer. Given this and the not too rare reports of
Honda bearing failures, it makes perfect sense to me for a
serious shop (e.g. the dealer or a shop with a reputation)
to replace all the bearings. The risk of a comeback seems
too high.

Perhaps independent shops with somewhat shadetree oriented
mechanics catering to a crowd on a budget and with low
prices etc. might argue as the ASE question does.

If I were the customer, I'd want the independent shop
mechanic to explain this to me and give me a choice: Let
him/er decide if the bearing needed replacement, or just
replace all the tranny bearings, at an additional cost of
xyz.

Though I would think it's not like Honda owners have a
pressing need to obtain rebuilt manual trannies. Do they?
It's serious abuse that generally produces that need, ISTM,
based on my whopping three weeks and one day of manual
trannies course...



TeGGeR® 08-01-2006 11:26 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
"Elle" <honda.lioness@nospam.earthlink.net> wrote in
news:PRzzg.8201$157.4253@newsread3.news.pas.earthl ink.net:

>
> You got me curious about how often this happens in Hondas.
> Doesn't seem like we have had many posts on failed tranny
> bearings in the last few years.
>
> In fact the Usenet archives seem to show a fair number of
> such failures being reported for Civics and Accords for
> around the last ten years or so. Not a lot (or so my very
> quick check indicated), but definitely enough to make me be
> on the lookout for this with my old 91 Civic.
>
>




Transmission bearing failure is due to two things:
1) High side-loading in use, and
2) low oil level.


Side-loading is inevitable, and is present in all gears on a FWD Honda. How
much side-loading a driver imposes on the transmission is a function of how
gently he handles the clutch. If each clutch engagement is accompanied by a
bump, jerk or bang, each one is a hit to the bearings. The more city
driving, the more shifting, the more accelerating, and the more side-load.
Minimizing side-loading dramatically increases bearing life.

Low lubricant allows the bearings to overheat, damaging the hardening on
the bearing surfaces. Excess friction also damages the plastic cage,
allowing the balls to move around more, unbalancing side-load distribution.

Three things you can do to extend the life of your gearbox:
1) Do more highway driving than city (not always possible, of course).
2) Learn to engage the clutch smoothly and gently. This CAN be done while
driving in a spirited and entertaining manner. It is NOT necessary to bang
the clutch to achieve rapid acceleration.
3) Change the tranny lubricant every year, or at least check the level
every year and add as necessary.

--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

TeGGeR® 08-01-2006 11:26 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
"Elle" <honda.lioness@nospam.earthlink.net> wrote in
news:PRzzg.8201$157.4253@newsread3.news.pas.earthl ink.net:

>
> You got me curious about how often this happens in Hondas.
> Doesn't seem like we have had many posts on failed tranny
> bearings in the last few years.
>
> In fact the Usenet archives seem to show a fair number of
> such failures being reported for Civics and Accords for
> around the last ten years or so. Not a lot (or so my very
> quick check indicated), but definitely enough to make me be
> on the lookout for this with my old 91 Civic.
>
>




Transmission bearing failure is due to two things:
1) High side-loading in use, and
2) low oil level.


Side-loading is inevitable, and is present in all gears on a FWD Honda. How
much side-loading a driver imposes on the transmission is a function of how
gently he handles the clutch. If each clutch engagement is accompanied by a
bump, jerk or bang, each one is a hit to the bearings. The more city
driving, the more shifting, the more accelerating, and the more side-load.
Minimizing side-loading dramatically increases bearing life.

Low lubricant allows the bearings to overheat, damaging the hardening on
the bearing surfaces. Excess friction also damages the plastic cage,
allowing the balls to move around more, unbalancing side-load distribution.

Three things you can do to extend the life of your gearbox:
1) Do more highway driving than city (not always possible, of course).
2) Learn to engage the clutch smoothly and gently. This CAN be done while
driving in a spirited and entertaining manner. It is NOT necessary to bang
the clutch to achieve rapid acceleration.
3) Change the tranny lubricant every year, or at least check the level
every year and add as necessary.

--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

TeGGeR® 08-01-2006 11:26 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
"Elle" <honda.lioness@nospam.earthlink.net> wrote in
news:PRzzg.8201$157.4253@newsread3.news.pas.earthl ink.net:

>
> You got me curious about how often this happens in Hondas.
> Doesn't seem like we have had many posts on failed tranny
> bearings in the last few years.
>
> In fact the Usenet archives seem to show a fair number of
> such failures being reported for Civics and Accords for
> around the last ten years or so. Not a lot (or so my very
> quick check indicated), but definitely enough to make me be
> on the lookout for this with my old 91 Civic.
>
>




Transmission bearing failure is due to two things:
1) High side-loading in use, and
2) low oil level.


Side-loading is inevitable, and is present in all gears on a FWD Honda. How
much side-loading a driver imposes on the transmission is a function of how
gently he handles the clutch. If each clutch engagement is accompanied by a
bump, jerk or bang, each one is a hit to the bearings. The more city
driving, the more shifting, the more accelerating, and the more side-load.
Minimizing side-loading dramatically increases bearing life.

Low lubricant allows the bearings to overheat, damaging the hardening on
the bearing surfaces. Excess friction also damages the plastic cage,
allowing the balls to move around more, unbalancing side-load distribution.

Three things you can do to extend the life of your gearbox:
1) Do more highway driving than city (not always possible, of course).
2) Learn to engage the clutch smoothly and gently. This CAN be done while
driving in a spirited and entertaining manner. It is NOT necessary to bang
the clutch to achieve rapid acceleration.
3) Change the tranny lubricant every year, or at least check the level
every year and add as necessary.

--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

TeGGeR® 08-01-2006 11:26 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
"Elle" <honda.lioness@nospam.earthlink.net> wrote in
news:PRzzg.8201$157.4253@newsread3.news.pas.earthl ink.net:

>
> You got me curious about how often this happens in Hondas.
> Doesn't seem like we have had many posts on failed tranny
> bearings in the last few years.
>
> In fact the Usenet archives seem to show a fair number of
> such failures being reported for Civics and Accords for
> around the last ten years or so. Not a lot (or so my very
> quick check indicated), but definitely enough to make me be
> on the lookout for this with my old 91 Civic.
>
>




Transmission bearing failure is due to two things:
1) High side-loading in use, and
2) low oil level.


Side-loading is inevitable, and is present in all gears on a FWD Honda. How
much side-loading a driver imposes on the transmission is a function of how
gently he handles the clutch. If each clutch engagement is accompanied by a
bump, jerk or bang, each one is a hit to the bearings. The more city
driving, the more shifting, the more accelerating, and the more side-load.
Minimizing side-loading dramatically increases bearing life.

Low lubricant allows the bearings to overheat, damaging the hardening on
the bearing surfaces. Excess friction also damages the plastic cage,
allowing the balls to move around more, unbalancing side-load distribution.

Three things you can do to extend the life of your gearbox:
1) Do more highway driving than city (not always possible, of course).
2) Learn to engage the clutch smoothly and gently. This CAN be done while
driving in a spirited and entertaining manner. It is NOT necessary to bang
the clutch to achieve rapid acceleration.
3) Change the tranny lubricant every year, or at least check the level
every year and add as necessary.

--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

TeGGeR® 08-01-2006 11:33 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
"Elle" <honda.lioness@nospam.earthlink.net> wrote in
news:FnSzg.8536$157.5404@newsread3.news.pas.earthl ink.net:


>
> The discussion with the instructor came up because of an ASE
> test question:
> Technician A says it is a good practice to replace all
> bearings when overhauling a manual transmission. Technician
> B says bearings can be reused when overhauling a manual
> transmission. Who is correct?
> A. A
> B. B
> C. Both A and B
> D. Neither A nor B
>
> The instructor said B was the ASE answer. He customarily
> will say when an ASE question is stupid, in his opinion, but
> instead this time he elaborated as described above. He also
> mentioned bearing costs.




To me this would make sense, provided the overhauler was experienced enough
to be able to tell when a bearing is still good. It is normal practice to
inspect transmission parts and decide whether to reuse them or not,
depending on condition. An installer may decide to replace only the 2nd
gear synchro assembly, for instance, and reuse the others if they seem OK.
2nd often wears first.

I'd think the rebuilder would also be using the condition of other
components in determining what kind of care the tranny had in its life.
Severely worn shift forks and badly rounded dogs would suggest hard use (or
abuse), and in that case, you'd be more suspicious of the other parts in
there..


--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

TeGGeR® 08-01-2006 11:33 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
"Elle" <honda.lioness@nospam.earthlink.net> wrote in
news:FnSzg.8536$157.5404@newsread3.news.pas.earthl ink.net:


>
> The discussion with the instructor came up because of an ASE
> test question:
> Technician A says it is a good practice to replace all
> bearings when overhauling a manual transmission. Technician
> B says bearings can be reused when overhauling a manual
> transmission. Who is correct?
> A. A
> B. B
> C. Both A and B
> D. Neither A nor B
>
> The instructor said B was the ASE answer. He customarily
> will say when an ASE question is stupid, in his opinion, but
> instead this time he elaborated as described above. He also
> mentioned bearing costs.




To me this would make sense, provided the overhauler was experienced enough
to be able to tell when a bearing is still good. It is normal practice to
inspect transmission parts and decide whether to reuse them or not,
depending on condition. An installer may decide to replace only the 2nd
gear synchro assembly, for instance, and reuse the others if they seem OK.
2nd often wears first.

I'd think the rebuilder would also be using the condition of other
components in determining what kind of care the tranny had in its life.
Severely worn shift forks and badly rounded dogs would suggest hard use (or
abuse), and in that case, you'd be more suspicious of the other parts in
there..


--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

TeGGeR® 08-01-2006 11:33 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
"Elle" <honda.lioness@nospam.earthlink.net> wrote in
news:FnSzg.8536$157.5404@newsread3.news.pas.earthl ink.net:


>
> The discussion with the instructor came up because of an ASE
> test question:
> Technician A says it is a good practice to replace all
> bearings when overhauling a manual transmission. Technician
> B says bearings can be reused when overhauling a manual
> transmission. Who is correct?
> A. A
> B. B
> C. Both A and B
> D. Neither A nor B
>
> The instructor said B was the ASE answer. He customarily
> will say when an ASE question is stupid, in his opinion, but
> instead this time he elaborated as described above. He also
> mentioned bearing costs.




To me this would make sense, provided the overhauler was experienced enough
to be able to tell when a bearing is still good. It is normal practice to
inspect transmission parts and decide whether to reuse them or not,
depending on condition. An installer may decide to replace only the 2nd
gear synchro assembly, for instance, and reuse the others if they seem OK.
2nd often wears first.

I'd think the rebuilder would also be using the condition of other
components in determining what kind of care the tranny had in its life.
Severely worn shift forks and badly rounded dogs would suggest hard use (or
abuse), and in that case, you'd be more suspicious of the other parts in
there..


--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

TeGGeR® 08-01-2006 11:33 PM

Re: rebuild clutch and tranny on 97 Civic EX
 
"Elle" <honda.lioness@nospam.earthlink.net> wrote in
news:FnSzg.8536$157.5404@newsread3.news.pas.earthl ink.net:


>
> The discussion with the instructor came up because of an ASE
> test question:
> Technician A says it is a good practice to replace all
> bearings when overhauling a manual transmission. Technician
> B says bearings can be reused when overhauling a manual
> transmission. Who is correct?
> A. A
> B. B
> C. Both A and B
> D. Neither A nor B
>
> The instructor said B was the ASE answer. He customarily
> will say when an ASE question is stupid, in his opinion, but
> instead this time he elaborated as described above. He also
> mentioned bearing costs.




To me this would make sense, provided the overhauler was experienced enough
to be able to tell when a bearing is still good. It is normal practice to
inspect transmission parts and decide whether to reuse them or not,
depending on condition. An installer may decide to replace only the 2nd
gear synchro assembly, for instance, and reuse the others if they seem OK.
2nd often wears first.

I'd think the rebuilder would also be using the condition of other
components in determining what kind of care the tranny had in its life.
Severely worn shift forks and badly rounded dogs would suggest hard use (or
abuse), and in that case, you'd be more suspicious of the other parts in
there..


--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/


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