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Old 12 Aug 2006, 07:25 am
Jeff
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Default advice on installing timing belt and wate rpump

i was on the expressway yesterday in my '88 honda civic sedan and it lost
power and then shutoff. the timing belt stripped out and i'm hoping a valve
didn't get bent. today i'm planning on installing a new timing belt and
water pump and need to know the easiest way to tell if the pistons are at
TDC top dead center. also does the water pump require any kind of sealant?
all advice is appreciated. Thanks.

-jeff


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Old 12 Aug 2006, 09:07 am
jim beam
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Default Re: advice on installing timing belt and wate rpump

Jeff wrote:
> i was on the expressway yesterday in my '88 honda civic sedan and it lost
> power and then shutoff. the timing belt stripped out and i'm hoping a valve
> didn't get bent. today i'm planning on installing a new timing belt and
> water pump and need to know the easiest way to tell if the pistons are at
> TDC top dead center. also does the water pump require any kind of sealant?
> all advice is appreciated. Thanks.
>
> -jeff
>
>

first things first - check if the valves are bent. take the rocker
cover off and check valve lash. if any measure a big gap, the valve is
bent and needs to be replaced. that requires head removal.

for the rest, buy the honda factory workshop manual from helm.com. it
tells you exactly what to do every step of the way, including the
critical procedure for correct tensioning of the timing belt. you'll
also need a pulley wheel holder so you can remove and re-torque the
pulley wheel belt. google this group for piecemeal info on belt change
and go to tegger.com for info on tools, belt change, general good stuff.
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Old 12 Aug 2006, 09:40 am
Paul
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Default Re: advice on installing timing belt and wate rpump


"Jeff" <jeffscomp@sbcglobal.net> wrote in message
news:6NjDg.11355$gY6.9192@newssvr11.news.prodigy.c om...
: i was on the expressway yesterday in my '88 honda civic sedan and it lost
: power and then shutoff. the timing belt stripped out and i'm hoping a
valve
: didn't get bent. today i'm planning on installing a new timing belt and
: water pump and need to know the easiest way to tell if the pistons are at
: TDC top dead center. also does the water pump require any kind of sealant?
: all advice is appreciated. Thanks.
:
: -jeff
:
Think about replacing your thermostat too, but TEST IT BEFORE YOU INSTALL
IT.

Paul


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  #4 (permalink)  
Old 12 Aug 2006, 09:45 am
Elle
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Default Re: advice on installing timing belt and wate rpump

To check for valve damage, see the following thread and
groups.google via www.groups.google.com :

http://groups.google.com/group/rec.a...097157335e59a7

If the valves do not appear to be damaged, then the biggest
impediment to changing the timing belt is often freeing the
crankshaft pulley bolt. One needs either an industrial
grade, very high torque air impact wrench or a special
"pulley holding tool." Lots of folks here report the easiest
route is to take the car to your local mechanic and have
him/her use their serious impact wrench to free it up. Then
snug up for the short ride home. Tip the mechanic $15, say.

Resources on how to break free a Honda pulley bolt:
http://www.tegger.com/hondafaq/cranktool/index.html

http://home.earthlink.net/~honda.lioness/id6.html

You can start on this, maybe, then check back here for more
input on other points.

Free online manuals that can help a lot:
http://www.honda.co.uk/car/owner/workshop.html (try the
88-91 CRX manual for your Civic).

www.autozone.com Follow pointers to repair guides specific
to your 88 Honda. It will give the exact torque spec for the
pulley bolt, for one, when you re-assemble everything.

You should change the "front" (actually the right side of
the engine as you stand at the car's front and look down at
the engine) crankshaft and camshaft oil seals while you're
doing this.

To help others, do you have any idea why your timing belt
stripped? Age? Miles?

"Jeff" <jeffscomp@sbcglobal.net> wrote
>i was on the expressway yesterday in my '88 honda civic
>sedan and it lost power and then shutoff. the timing belt
>stripped out and i'm hoping a valve didn't get bent. today
>i'm planning on installing a new timing belt and water pump
>and need to know the easiest way to tell if the pistons are
>at TDC top dead center. also does the water pump require
>any kind of sealant? all advice is appreciated. Thanks.
>
> -jeff
>



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  #5 (permalink)  
Old 12 Aug 2006, 01:03 pm
Jeff
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Default Re: advice on installing timing belt and wate rpump

hold on, on all the super careful advice because i'm buying another car
anyway and i am just getting the parts installed but want it done right and
test the car out. if it acts up and a valve is bent it will run terrible but
i'm confident that's not the case. i just need to know about the TDC
question and what to look for. i'm not replacing any pulleys and i don't
think the water pump requires any sealant but it might help. i'm not
replacing the tensioner either for the timing belt. it was leaking
antifreeze onto the timing belt and that caused the slipping. get back with
me with info. thankyou.



-jeff
"Jeff" <jeffscomp@sbcglobal.net> wrote in message
news:6NjDg.11355$gY6.9192@newssvr11.news.prodigy.c om...
>i was on the expressway yesterday in my '88 honda civic sedan and it lost
>power and then shutoff. the timing belt stripped out and i'm hoping a valve
>didn't get bent. today i'm planning on installing a new timing belt and
>water pump and need to know the easiest way to tell if the pistons are at
>TDC top dead center. also does the water pump require any kind of sealant?
>all advice is appreciated. Thanks.
>
> -jeff
>



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  #6 (permalink)  
Old 12 Aug 2006, 06:20 pm
manic mechanic
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Posts: n/a
Default Re: advice on installing timing belt and wate rpump

Jeff wrote:
>
> hold on, on all the super careful advice because i'm buying another car
> anyway and i am just getting the parts installed but want it done right
> and test the car out. if it acts up and a valve is bent it will run
> terrible but i'm confident that's not the case.


a lack of empirical experience tends to breed false confidence.

your original post mentioned that you were driving on the freeway when the
belt broke, this is a worst case scenario. the engine died with the
transmission in gear thus it will keep spinning for a few rotations and the
pistons will kiss the valves since theyre no longer in time.
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  #7 (permalink)  
Old 12 Aug 2006, 06:55 pm
TeGGeR®
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Default Re: advice on installing timing belt and wate rpump

"Jeff" <jeffscomp@sbcglobal.net> wrote in
news:sJoDg.11393$gY6.5185@newssvr11.news.prodigy.c om:

> hold on, on all the super careful advice because i'm buying another
> car anyway and i am just getting the parts installed but want it done
> right and test the car out. if it acts up and a valve is bent it will
> run terrible but i'm confident that's not the case. i just need to
> know about the TDC question and what to look for.




Once you get the crank pulley off, the timing belt cog has a TDC mark on
it. The cam pulley also has an alignment mark on it. You line the two up
properly (and I mean PROPERLY) and Bob's your uncle.

You do need to make sure TDC is compression, which means both crank and cam
marks have to line up at the same time.


> i'm not replacing
> any pulleys



No, but you do have to take them off when replacing the timing belt, hence
the other posters' admonishments.



> and i don't think the water pump requires any sealant but
> it might help.



Do not put sealant on the water pump flange. Just scrape smooth and use a
new gasket.


> i'm not replacing the tensioner either for the timing
> belt.




You have to if it's worn. If you skimp on stuff like that just to keep your
sale costs down, remind me never to buy a used car from you.



> it was leaking antifreeze onto the timing belt and that caused
> the slipping.




What? If it was leaking bad enough to make the belt jump, either the belt
was too loose, it was too old, or you were using silicated coolant.

--
TeGGeR®

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