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NoOne 01-06-2005 01:00 PM

91 civic temp gauge
 
Hi-

Just picked up a '91 civic dx hatch for $150 for the wife to get back and
forth to work.. Runs good, a/c works, no rust - a pretty good deal I think.
When it was driven home approx. 15 miles and parked, it smelled pretty hot
from outside, but temp gauge was in the middle for the whole ride steady as
could be..The car had been parked for about 3 months without being run at
all during that time.
So, I put about $250 into it the next day for battery, wipers, front pads
and both sides rear brake wheel cylinders, drums and shoes, 4 quarts
max-life, a haynes manual and a new oil filter
We put it up on her uncle's lift and started working. I told him about the
hot smell driving home the night before, so we pulled the t-stat & he boiled
it and found it to be working. Put the t-stat back on and now the temp gauge
goes crazy. Goes up and down rapidly, seemingly with no rhyme or reason.
it'll show hot (all the way up) when driving at a steady rate, then go back
down to the middle less than a mile later, then go to all cold and suddenly
shoot back up to the top. This happens while driving at a steady pace,
accelerating, sitting still, basically all the time.
Did we foirget to plug something back in when we took out the t-stat? He
looked at the manual to make sure to put the t-stat back in correctly. Is
there a sensor we could've broken? Nothing looks abvioulsy amiss to my eyes.
Any ideas?

Thanks.
--
NoOne


"There's a man racing towards third...."
Harry Caray



motsco_ _ 01-06-2005 01:39 PM

Re: 91 civic temp gauge
 
NoOne wrote:
> Hi-
>
> Just picked up a '91 civic dx hatch for $150 for the wife to get back and
> forth to work.. Runs good, a/c works, no rust - a pretty good deal I think.
> When it was driven home approx. 15 miles and parked, it smelled pretty hot
> from outside, but temp gauge was in the middle for the whole ride steady as
> could be..The car had been parked for about 3 months without being run at
> all during that time.
> So, I put about $250 into it the next day for battery, wipers, front pads
> and both sides rear brake wheel cylinders, drums and shoes, 4 quarts
> max-life, a haynes manual and a new oil filter
> We put it up on her uncle's lift and started working. I told him about the
> hot smell driving home the night before, so we pulled the t-stat & he boiled
> it and found it to be working. Put the t-stat back on and now the temp gauge
> goes crazy. Goes up and down rapidly, seemingly with no rhyme or reason.
> it'll show hot (all the way up) when driving at a steady rate, then go back
> down to the middle less than a mile later, then go to all cold and suddenly
> shoot back up to the top. This happens while driving at a steady pace,
> accelerating, sitting still, basically all the time.
> Did we foirget to plug something back in when we took out the t-stat? He
> looked at the manual to make sure to put the t-stat back in correctly. Is
> there a sensor we could've broken? Nothing looks abvioulsy amiss to my eyes.
> Any ideas?
>
> Thanks.


--------------------------

Your rad has to be FULL when you open the rad cap, and the reservior has
to be full to the line. You may have to bleed air out the nipple, near
where the upper hose goes into the head. Your fan sensors and the guage
sender are 'full immersion' devices. They won't work right if they
aren't surrounded in coolant.

Don't put any tap water into your cooling system. Use R.O. or distilled.

'Curly'


motsco_ _ 01-06-2005 01:39 PM

Re: 91 civic temp gauge
 
NoOne wrote:
> Hi-
>
> Just picked up a '91 civic dx hatch for $150 for the wife to get back and
> forth to work.. Runs good, a/c works, no rust - a pretty good deal I think.
> When it was driven home approx. 15 miles and parked, it smelled pretty hot
> from outside, but temp gauge was in the middle for the whole ride steady as
> could be..The car had been parked for about 3 months without being run at
> all during that time.
> So, I put about $250 into it the next day for battery, wipers, front pads
> and both sides rear brake wheel cylinders, drums and shoes, 4 quarts
> max-life, a haynes manual and a new oil filter
> We put it up on her uncle's lift and started working. I told him about the
> hot smell driving home the night before, so we pulled the t-stat & he boiled
> it and found it to be working. Put the t-stat back on and now the temp gauge
> goes crazy. Goes up and down rapidly, seemingly with no rhyme or reason.
> it'll show hot (all the way up) when driving at a steady rate, then go back
> down to the middle less than a mile later, then go to all cold and suddenly
> shoot back up to the top. This happens while driving at a steady pace,
> accelerating, sitting still, basically all the time.
> Did we foirget to plug something back in when we took out the t-stat? He
> looked at the manual to make sure to put the t-stat back in correctly. Is
> there a sensor we could've broken? Nothing looks abvioulsy amiss to my eyes.
> Any ideas?
>
> Thanks.


--------------------------

Your rad has to be FULL when you open the rad cap, and the reservior has
to be full to the line. You may have to bleed air out the nipple, near
where the upper hose goes into the head. Your fan sensors and the guage
sender are 'full immersion' devices. They won't work right if they
aren't surrounded in coolant.

Don't put any tap water into your cooling system. Use R.O. or distilled.

'Curly'


Joseph Wind 01-07-2005 11:31 AM

Re: 91 civic temp gauge
 
Make sure the reviver is intact. The plastic bottle form cracks after a
while and start leaking. I would drain the entire system and put in a fresh
mix of anti-freeze (if you live in a cold climate) and Distilled water. If
you don't use anti-freeze, use an additive, like Wet-Water or Water Pump
Lubricant. Then check for leaks. Also check to see if it changes when you
have to heater turn up of off. Also check to see if the electric fan is
working.

It is possible your radiator may be clogged or the water pump needs to be
replaced.

"NoOne" <NoOne@home.org> wrote in message
news:Z0fDd.71306$uM5.13918@bgtnsc05-news.ops.worldnet.att.net...
> Hi-
>
> Just picked up a '91 civic dx hatch for $150 for the wife to get back and
> forth to work.. Runs good, a/c works, no rust - a pretty good deal I

think.
> When it was driven home approx. 15 miles and parked, it smelled pretty hot
> from outside, but temp gauge was in the middle for the whole ride steady

as
> could be..The car had been parked for about 3 months without being run at
> all during that time.
> So, I put about $250 into it the next day for battery, wipers, front pads
> and both sides rear brake wheel cylinders, drums and shoes, 4 quarts
> max-life, a haynes manual and a new oil filter
> We put it up on her uncle's lift and started working. I told him about the
> hot smell driving home the night before, so we pulled the t-stat & he

boiled
> it and found it to be working. Put the t-stat back on and now the temp

gauge
> goes crazy. Goes up and down rapidly, seemingly with no rhyme or reason.
> it'll show hot (all the way up) when driving at a steady rate, then go

back
> down to the middle less than a mile later, then go to all cold and

suddenly
> shoot back up to the top. This happens while driving at a steady pace,
> accelerating, sitting still, basically all the time.
> Did we foirget to plug something back in when we took out the t-stat? He
> looked at the manual to make sure to put the t-stat back in correctly. Is
> there a sensor we could've broken? Nothing looks abvioulsy amiss to my

eyes.
> Any ideas?
>
> Thanks.
> --
> NoOne
>
>
> "There's a man racing towards third...."
> Harry Caray
>
>




Joseph Wind 01-07-2005 11:31 AM

Re: 91 civic temp gauge
 
Make sure the reviver is intact. The plastic bottle form cracks after a
while and start leaking. I would drain the entire system and put in a fresh
mix of anti-freeze (if you live in a cold climate) and Distilled water. If
you don't use anti-freeze, use an additive, like Wet-Water or Water Pump
Lubricant. Then check for leaks. Also check to see if it changes when you
have to heater turn up of off. Also check to see if the electric fan is
working.

It is possible your radiator may be clogged or the water pump needs to be
replaced.

"NoOne" <NoOne@home.org> wrote in message
news:Z0fDd.71306$uM5.13918@bgtnsc05-news.ops.worldnet.att.net...
> Hi-
>
> Just picked up a '91 civic dx hatch for $150 for the wife to get back and
> forth to work.. Runs good, a/c works, no rust - a pretty good deal I

think.
> When it was driven home approx. 15 miles and parked, it smelled pretty hot
> from outside, but temp gauge was in the middle for the whole ride steady

as
> could be..The car had been parked for about 3 months without being run at
> all during that time.
> So, I put about $250 into it the next day for battery, wipers, front pads
> and both sides rear brake wheel cylinders, drums and shoes, 4 quarts
> max-life, a haynes manual and a new oil filter
> We put it up on her uncle's lift and started working. I told him about the
> hot smell driving home the night before, so we pulled the t-stat & he

boiled
> it and found it to be working. Put the t-stat back on and now the temp

gauge
> goes crazy. Goes up and down rapidly, seemingly with no rhyme or reason.
> it'll show hot (all the way up) when driving at a steady rate, then go

back
> down to the middle less than a mile later, then go to all cold and

suddenly
> shoot back up to the top. This happens while driving at a steady pace,
> accelerating, sitting still, basically all the time.
> Did we foirget to plug something back in when we took out the t-stat? He
> looked at the manual to make sure to put the t-stat back in correctly. Is
> there a sensor we could've broken? Nothing looks abvioulsy amiss to my

eyes.
> Any ideas?
>
> Thanks.
> --
> NoOne
>
>
> "There's a man racing towards third...."
> Harry Caray
>
>




A 01-09-2005 10:03 AM

Re: 91 civic temp gauge
 
Make sure your radiator fans, er one radiator and one condenser fan. I
gotta ask, did you put enought coolant in it and if so is it 50/50 mix or
antifreeze to water ratio? Too much water or antifreeze is both equally bad
and make sure there are no air pockets in the system. Honda's are bad about
this thats why there is a bleeder screw on the thermostat housing where the
thermostat goes. Its a little nipple looking thing and I believe its 10mm
bolt type thing. Just top off the radiator and reserve tank to between min.
and max. when cold. After the levels are correct observe the level in the
reservor tank before and after you bleed the system with the engine running
at operating temperature. I hope this helps, Craig.
"NoOne" <NoOne@home.org> wrote in message
news:Z0fDd.71306$uM5.13918@bgtnsc05-news.ops.worldnet.att.net...
> Hi-
>
> Just picked up a '91 civic dx hatch for $150 for the wife to get back and
> forth to work.. Runs good, a/c works, no rust - a pretty good deal I
> think.
> When it was driven home approx. 15 miles and parked, it smelled pretty hot
> from outside, but temp gauge was in the middle for the whole ride steady
> as
> could be..The car had been parked for about 3 months without being run at
> all during that time.
> So, I put about $250 into it the next day for battery, wipers, front pads
> and both sides rear brake wheel cylinders, drums and shoes, 4 quarts
> max-life, a haynes manual and a new oil filter
> We put it up on her uncle's lift and started working. I told him about the
> hot smell driving home the night before, so we pulled the t-stat & he
> boiled
> it and found it to be working. Put the t-stat back on and now the temp
> gauge
> goes crazy. Goes up and down rapidly, seemingly with no rhyme or reason.
> it'll show hot (all the way up) when driving at a steady rate, then go
> back
> down to the middle less than a mile later, then go to all cold and
> suddenly
> shoot back up to the top. This happens while driving at a steady pace,
> accelerating, sitting still, basically all the time.
> Did we foirget to plug something back in when we took out the t-stat? He
> looked at the manual to make sure to put the t-stat back in correctly. Is
> there a sensor we could've broken? Nothing looks abvioulsy amiss to my
> eyes.
> Any ideas?
>
> Thanks.
> --
> NoOne
>
>
> "There's a man racing towards third...."
> Harry Caray
>
>




A 01-09-2005 10:03 AM

Re: 91 civic temp gauge
 
Make sure your radiator fans, er one radiator and one condenser fan. I
gotta ask, did you put enought coolant in it and if so is it 50/50 mix or
antifreeze to water ratio? Too much water or antifreeze is both equally bad
and make sure there are no air pockets in the system. Honda's are bad about
this thats why there is a bleeder screw on the thermostat housing where the
thermostat goes. Its a little nipple looking thing and I believe its 10mm
bolt type thing. Just top off the radiator and reserve tank to between min.
and max. when cold. After the levels are correct observe the level in the
reservor tank before and after you bleed the system with the engine running
at operating temperature. I hope this helps, Craig.
"NoOne" <NoOne@home.org> wrote in message
news:Z0fDd.71306$uM5.13918@bgtnsc05-news.ops.worldnet.att.net...
> Hi-
>
> Just picked up a '91 civic dx hatch for $150 for the wife to get back and
> forth to work.. Runs good, a/c works, no rust - a pretty good deal I
> think.
> When it was driven home approx. 15 miles and parked, it smelled pretty hot
> from outside, but temp gauge was in the middle for the whole ride steady
> as
> could be..The car had been parked for about 3 months without being run at
> all during that time.
> So, I put about $250 into it the next day for battery, wipers, front pads
> and both sides rear brake wheel cylinders, drums and shoes, 4 quarts
> max-life, a haynes manual and a new oil filter
> We put it up on her uncle's lift and started working. I told him about the
> hot smell driving home the night before, so we pulled the t-stat & he
> boiled
> it and found it to be working. Put the t-stat back on and now the temp
> gauge
> goes crazy. Goes up and down rapidly, seemingly with no rhyme or reason.
> it'll show hot (all the way up) when driving at a steady rate, then go
> back
> down to the middle less than a mile later, then go to all cold and
> suddenly
> shoot back up to the top. This happens while driving at a steady pace,
> accelerating, sitting still, basically all the time.
> Did we foirget to plug something back in when we took out the t-stat? He
> looked at the manual to make sure to put the t-stat back in correctly. Is
> there a sensor we could've broken? Nothing looks abvioulsy amiss to my
> eyes.
> Any ideas?
>
> Thanks.
> --
> NoOne
>
>
> "There's a man racing towards third...."
> Harry Caray
>
>





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