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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / October 2006

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cooling system woes with S-10

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RB - 03 Oct 2006 19:10 GMT
Got a '97 Chevy S-10 pickemup that is losing coolant from the cooling system
frequently.   Had a water pump go out a couple years ago, so doubt it's
that.  Besides which the temp just went on over like it would peg out if I
didn't shut down, with the water pump problem.

I note that everytime I stop, I have coolant pool under the right front
side, and have to add coolant to the plastic expansion tank.

I'm assuming the plastic tank has developed a leak, down out of sight.

How do I change out one of these expansion tanks?   I see there's a flat,
black box with fins kind of thing mounted on top of the expansion tank.   Is
this something for the home mechanic?   Or is it definitely a "take it to
the shop" kind of thing?
tweety - 05 Oct 2006 04:44 GMT
> Got a '97 Chevy S-10 pickemup that is losing coolant from the cooling system
> frequently.   Had a water pump go out a couple years ago, so doubt it's
[quoted text clipped - 10 lines]
> this something for the home mechanic?   Or is it definitely a "take it to
> the shop" kind of thing?
tweety - 05 Oct 2006 04:47 GMT
> Got a '97 Chevy S-10 pickemup that is losing coolant from the cooling system
> frequently.   Had a water pump go out a couple years ago, so doubt it's
[quoted text clipped - 10 lines]
> this something for the home mechanic?   Or is it definitely a "take it to
> the shop" kind of thing?

almost sounds like you may have a thermostat issue or a bad fan.  is
the fan electrical or clutch operated?  could also be a bad hose.
worst case senario is a blown head gasket but doubt it.  if you dont
want to risk ruining your engine i would take it to a shop just to be
safe.
tweety - 05 Oct 2006 04:49 GMT
> Got a '97 Chevy S-10 pickemup that is losing coolant from the cooling system
> frequently.   Had a water pump go out a couple years ago, so doubt it's
[quoted text clipped - 10 lines]
> this something for the home mechanic?   Or is it definitely a "take it to
> the shop" kind of thing?

almost sounds like you may have a thermostat issue or a bad fan.  is
the fan electrical or clutch operated?  could also be a bad hose.
worst case senario is a blown head gasket but doubt it.  if you dont
want to risk ruining your engine i would take it to a shop just to be
safe.
tweety - 05 Oct 2006 04:49 GMT
> Got a '97 Chevy S-10 pickemup that is losing coolant from the cooling system
> frequently.   Had a water pump go out a couple years ago, so doubt it's
[quoted text clipped - 10 lines]
> this something for the home mechanic?   Or is it definitely a "take it to
> the shop" kind of thing?
pauls@lexingtonmfg.com - 05 Oct 2006 15:59 GMT
I have a 96 S10 with a 2.2l 4 cylinder.  The intake manifold gaskets on
these are made of plastic and notorius for leaking.

I changed the fluid from dexacool to regular green glycol and added a
bottle of stop leak.  No problems since.

Good luck!

Paul
pauls@lexingtonmfg.com - 05 Oct 2006 16:00 GMT
I have a 96 S10 with a 2.2l 4 cylinder.  The intake manifold gaskets on
these are made of plastic and notorius for leaking.

I changed the fluid from dexacool to regular green glycol and added a
bottle of stop leak.  No problems since.

Good luck!

Paul
 
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