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-   -   Replaced Timing Belt but . . . (https://www.gtcarz.com/honda-mailing-list-327/replaced-timing-belt-but-298381/)

Michael Pardee 06-17-2007 08:38 AM

Re: Replaced Timing Belt but . . .
 
"Eric" <say.no@spam.now> wrote in message news:4675138D.D5FDFB01@spam.now...
> Michael Pardee wrote:
>>
>> A timing belt ready to fail looks very much like a new one, but usually
>> dustier and a little scuffed on the backside where it rolls against the
>> tensioner. The failure typically occurs where the teeth attach to the
>> belt. On a new belt the teeth are firmly attached. By the time it's ready
>> to be replaced the teeth can be picked off with a knife blade. I'd expect
>> yours to be in that condition. By the time I replaced the belt on our old
>> Volvo - a non-interference engine - at about 150K miles the teeth could
>> be
>> picked off with a thumbnail. Although the belt is often referred to as
>> "breaking" I've never personally seen one fail that way. They don't
>> stretch measureably.

>
> I've seen a few stretch. This was typical of mid to late 80's Accords and
> Preludes if I remember correctly. The belt would stretch and then the
> distributor would start making a tapping noise. Retensioning the belt
> would
> usually set things straight and quiet down the distributor.
>
> Eric
>


Interesting. Maybe a reinforcing fabric that has since been updated, I hope.

Mike




jim beam 06-17-2007 09:49 AM

Re: Replaced Timing Belt but . . .
 
Eric wrote:
> Michael Pardee wrote:
>> A timing belt ready to fail looks very much like a new one, but usually
>> dustier and a little scuffed on the backside where it rolls against the
>> tensioner. The failure typically occurs where the teeth attach to the
>> belt. On a new belt the teeth are firmly attached. By the time it's ready
>> to be replaced the teeth can be picked off with a knife blade. I'd expect
>> yours to be in that condition. By the time I replaced the belt on our old
>> Volvo - a non-interference engine - at about 150K miles the teeth could be
>> picked off with a thumbnail. Although the belt is often referred to as
>> "breaking" I've never personally seen one fail that way. They don't
>> stretch measureably.

>
> I've seen a few stretch. This was typical of mid to late 80's Accords and
> Preludes if I remember correctly. The belt would stretch and then the
> distributor would start making a tapping noise. Retensioning the belt would
> usually set things straight and quiet down the distributor.
>
> Eric


that's /highly/ unlikely. much more probable it was never set right in
the first place. the tensioning procedure is somewhat involved and in
my experience, frequently not done right.

jim beam 06-17-2007 09:49 AM

Re: Replaced Timing Belt but . . .
 
Eric wrote:
> Michael Pardee wrote:
>> A timing belt ready to fail looks very much like a new one, but usually
>> dustier and a little scuffed on the backside where it rolls against the
>> tensioner. The failure typically occurs where the teeth attach to the
>> belt. On a new belt the teeth are firmly attached. By the time it's ready
>> to be replaced the teeth can be picked off with a knife blade. I'd expect
>> yours to be in that condition. By the time I replaced the belt on our old
>> Volvo - a non-interference engine - at about 150K miles the teeth could be
>> picked off with a thumbnail. Although the belt is often referred to as
>> "breaking" I've never personally seen one fail that way. They don't
>> stretch measureably.

>
> I've seen a few stretch. This was typical of mid to late 80's Accords and
> Preludes if I remember correctly. The belt would stretch and then the
> distributor would start making a tapping noise. Retensioning the belt would
> usually set things straight and quiet down the distributor.
>
> Eric


that's /highly/ unlikely. much more probable it was never set right in
the first place. the tensioning procedure is somewhat involved and in
my experience, frequently not done right.

jim beam 06-17-2007 09:49 AM

Re: Replaced Timing Belt but . . .
 
Eric wrote:
> Michael Pardee wrote:
>> A timing belt ready to fail looks very much like a new one, but usually
>> dustier and a little scuffed on the backside where it rolls against the
>> tensioner. The failure typically occurs where the teeth attach to the
>> belt. On a new belt the teeth are firmly attached. By the time it's ready
>> to be replaced the teeth can be picked off with a knife blade. I'd expect
>> yours to be in that condition. By the time I replaced the belt on our old
>> Volvo - a non-interference engine - at about 150K miles the teeth could be
>> picked off with a thumbnail. Although the belt is often referred to as
>> "breaking" I've never personally seen one fail that way. They don't
>> stretch measureably.

>
> I've seen a few stretch. This was typical of mid to late 80's Accords and
> Preludes if I remember correctly. The belt would stretch and then the
> distributor would start making a tapping noise. Retensioning the belt would
> usually set things straight and quiet down the distributor.
>
> Eric


that's /highly/ unlikely. much more probable it was never set right in
the first place. the tensioning procedure is somewhat involved and in
my experience, frequently not done right.

jim beam 06-17-2007 10:14 AM

Re: Replaced Timing Belt but . . .
 
Trident wrote:
> Am now wondering what all the fuss was about.
>
> To backtrack, I have been reading this newsgroup off and on for the last few
> years. I've seen many posts here warning of the importance of changing your
> Honda Accord's timing belt at 75,000 miles or 7 years (or whatever the
> interval is) or dire consequences will occur.
>
> Long story short, I delayed replacing it for well beyond this replacement
> interval but finally replaced both the timing belt and water pump on my 1994
> Honda Accord with 98,000 miles on it. I am the original owner and the
> timing belt had never been replaced before.
>
> I told the shop to keep the old parts so I could see what they looked like,
> expecting their condition to be terrible based on posts I have read here.
>
> When I picked up the vehicle, they had placed the old timing belt and water
> pump in a plastic bag for me. The timing belt was a small all-rubber belt
> with teeth on it which went all the way around. I carefully inspected this
> 13 year old timing belt and it looked almost brand new! No cuts, nicks,
> gouges, discoloration or any other noticeable wear! It looked fine, like it
> didn't really need to be replaced. Not at all what I expected it to look
> like.
>
> I'm not saying I wish I didn't have it replaced. It gives me peace of mind
> to have done so and if you guys say it's important, well you know alot more
> about this stuff than I do. Just saying it didn't look at all like it
> needed to be replaced.
>
> Is stretching of the belt over time, which I probably would not be able to
> notice, the issue affecting an old timing belt?
>
> Anyway, just not what I expected to see.
>
>
>
>
>

the fibers in the belt start to fatigue. can't see them obviously.

jim beam 06-17-2007 10:14 AM

Re: Replaced Timing Belt but . . .
 
Trident wrote:
> Am now wondering what all the fuss was about.
>
> To backtrack, I have been reading this newsgroup off and on for the last few
> years. I've seen many posts here warning of the importance of changing your
> Honda Accord's timing belt at 75,000 miles or 7 years (or whatever the
> interval is) or dire consequences will occur.
>
> Long story short, I delayed replacing it for well beyond this replacement
> interval but finally replaced both the timing belt and water pump on my 1994
> Honda Accord with 98,000 miles on it. I am the original owner and the
> timing belt had never been replaced before.
>
> I told the shop to keep the old parts so I could see what they looked like,
> expecting their condition to be terrible based on posts I have read here.
>
> When I picked up the vehicle, they had placed the old timing belt and water
> pump in a plastic bag for me. The timing belt was a small all-rubber belt
> with teeth on it which went all the way around. I carefully inspected this
> 13 year old timing belt and it looked almost brand new! No cuts, nicks,
> gouges, discoloration or any other noticeable wear! It looked fine, like it
> didn't really need to be replaced. Not at all what I expected it to look
> like.
>
> I'm not saying I wish I didn't have it replaced. It gives me peace of mind
> to have done so and if you guys say it's important, well you know alot more
> about this stuff than I do. Just saying it didn't look at all like it
> needed to be replaced.
>
> Is stretching of the belt over time, which I probably would not be able to
> notice, the issue affecting an old timing belt?
>
> Anyway, just not what I expected to see.
>
>
>
>
>

the fibers in the belt start to fatigue. can't see them obviously.

jim beam 06-17-2007 10:14 AM

Re: Replaced Timing Belt but . . .
 
Trident wrote:
> Am now wondering what all the fuss was about.
>
> To backtrack, I have been reading this newsgroup off and on for the last few
> years. I've seen many posts here warning of the importance of changing your
> Honda Accord's timing belt at 75,000 miles or 7 years (or whatever the
> interval is) or dire consequences will occur.
>
> Long story short, I delayed replacing it for well beyond this replacement
> interval but finally replaced both the timing belt and water pump on my 1994
> Honda Accord with 98,000 miles on it. I am the original owner and the
> timing belt had never been replaced before.
>
> I told the shop to keep the old parts so I could see what they looked like,
> expecting their condition to be terrible based on posts I have read here.
>
> When I picked up the vehicle, they had placed the old timing belt and water
> pump in a plastic bag for me. The timing belt was a small all-rubber belt
> with teeth on it which went all the way around. I carefully inspected this
> 13 year old timing belt and it looked almost brand new! No cuts, nicks,
> gouges, discoloration or any other noticeable wear! It looked fine, like it
> didn't really need to be replaced. Not at all what I expected it to look
> like.
>
> I'm not saying I wish I didn't have it replaced. It gives me peace of mind
> to have done so and if you guys say it's important, well you know alot more
> about this stuff than I do. Just saying it didn't look at all like it
> needed to be replaced.
>
> Is stretching of the belt over time, which I probably would not be able to
> notice, the issue affecting an old timing belt?
>
> Anyway, just not what I expected to see.
>
>
>
>
>

the fibers in the belt start to fatigue. can't see them obviously.

Tegger 06-18-2007 10:25 PM

Re: Replaced Timing Belt but . . .
 
"Trident" <aaa@bbb.com> wrote in
news:2rqdnVdmzZz7uOnbnZ2dnUVZ_qarnZ2d@comcast.com:

> "Tegger" <tegger@tegger.c0m> wrote:
>
>> It's not "all rubber". It has a fabric carcass that extends even into
>> the

> teeth. The carcass provides the belt with all its strength.
>
> So is the fabric in the core of the timing belt surrounded by the
> rubber so that it cannot be seen? I still have the old timing belt,
> and when I inspect it carefully I cannot see fabric anywhere. I can
> see how the fabric would provide added strength. Maybe I'll disect it
> and see exactly how the fabric works.
>




Belt manufacture starts with the fabric. The carcass is then impregnated
with rubber under high pressure.

Trust me. Your timing belt has fabric in it.


--
Tegger

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

Tegger 06-18-2007 10:25 PM

Re: Replaced Timing Belt but . . .
 
"Trident" <aaa@bbb.com> wrote in
news:2rqdnVdmzZz7uOnbnZ2dnUVZ_qarnZ2d@comcast.com:

> "Tegger" <tegger@tegger.c0m> wrote:
>
>> It's not "all rubber". It has a fabric carcass that extends even into
>> the

> teeth. The carcass provides the belt with all its strength.
>
> So is the fabric in the core of the timing belt surrounded by the
> rubber so that it cannot be seen? I still have the old timing belt,
> and when I inspect it carefully I cannot see fabric anywhere. I can
> see how the fabric would provide added strength. Maybe I'll disect it
> and see exactly how the fabric works.
>




Belt manufacture starts with the fabric. The carcass is then impregnated
with rubber under high pressure.

Trust me. Your timing belt has fabric in it.


--
Tegger

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

Tegger 06-18-2007 10:25 PM

Re: Replaced Timing Belt but . . .
 
"Trident" <aaa@bbb.com> wrote in
news:2rqdnVdmzZz7uOnbnZ2dnUVZ_qarnZ2d@comcast.com:

> "Tegger" <tegger@tegger.c0m> wrote:
>
>> It's not "all rubber". It has a fabric carcass that extends even into
>> the

> teeth. The carcass provides the belt with all its strength.
>
> So is the fabric in the core of the timing belt surrounded by the
> rubber so that it cannot be seen? I still have the old timing belt,
> and when I inspect it carefully I cannot see fabric anywhere. I can
> see how the fabric would provide added strength. Maybe I'll disect it
> and see exactly how the fabric works.
>




Belt manufacture starts with the fabric. The carcass is then impregnated
with rubber under high pressure.

Trust me. Your timing belt has fabric in it.


--
Tegger

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

Trident 06-18-2007 11:34 PM

Re: Replaced Timing Belt but . . .
 
"Tegger" <tegger@tegger.c0m> wrote:

> Trust me. Your timing belt has fabric in it.


I believe you. I'm just a curious guy. I like to see exactly how things
work in an attempt to educate myself.

Wishful thinking, perhaps.



Trident 06-18-2007 11:34 PM

Re: Replaced Timing Belt but . . .
 
"Tegger" <tegger@tegger.c0m> wrote:

> Trust me. Your timing belt has fabric in it.


I believe you. I'm just a curious guy. I like to see exactly how things
work in an attempt to educate myself.

Wishful thinking, perhaps.



Trident 06-18-2007 11:34 PM

Re: Replaced Timing Belt but . . .
 
"Tegger" <tegger@tegger.c0m> wrote:

> Trust me. Your timing belt has fabric in it.


I believe you. I'm just a curious guy. I like to see exactly how things
work in an attempt to educate myself.

Wishful thinking, perhaps.



jim beam 06-18-2007 11:52 PM

Re: Replaced Timing Belt but . . .
 
Trident wrote:
> "Tegger" <tegger@tegger.c0m> wrote:
>
>> Trust me. Your timing belt has fabric in it.

>
> I believe you. I'm just a curious guy. I like to see exactly how things
> work in an attempt to educate myself.
>
> Wishful thinking, perhaps.
>
>

not at all. possibly the greatest thing you can do if that's your
desire is go to a junk yard. there' you'll see all kinds of componentry
disassembled so you can see pretty much exactly how it all works. i
think they're amazing places.

jim beam 06-18-2007 11:52 PM

Re: Replaced Timing Belt but . . .
 
Trident wrote:
> "Tegger" <tegger@tegger.c0m> wrote:
>
>> Trust me. Your timing belt has fabric in it.

>
> I believe you. I'm just a curious guy. I like to see exactly how things
> work in an attempt to educate myself.
>
> Wishful thinking, perhaps.
>
>

not at all. possibly the greatest thing you can do if that's your
desire is go to a junk yard. there' you'll see all kinds of componentry
disassembled so you can see pretty much exactly how it all works. i
think they're amazing places.


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