[V6-12v] Leaking coolant reservoir

[David Torrey]

Kent-

I wonder if perhaps the reservoir cap is leaking under
high temperature and pressure.   There is a valve in
the cap.  Could be defective, just a thought.

Dave

--- Kent McLean <kentmclean at comcast.net> wrote:

> I had a slow coolant leak on my '94 100S V6 that
> over the past few
> months has gotten not-so-slow -- the coolant
> reservoir (overflow
> tank) will drain over the course of 7-10 days.
> 
> David Torrey suggested checking the heater control
> valve beneath
> the windshield wiper linkage.  Before I got under
> the plastic
> "water deflector" (that's what ETKA calls it) at the
> base of the
> windshield, I saw wet below the coolant reservoir. A
> swipe of a
> finger and a sniff told me it was coolant. Doh!
> 
> I removed the reservoir and was surprised to see
> there were no
> cracks in the tank. The hoses seem OK. (Why do the
> hoses have to
> have different diameters at each end? Morons.) I
> thought the sensor
> may be the culprit, but sucking on it seemed show it
> to be sealed.
> It is a slow leak, so I wouldn't expect it to be
> like sucking on
> a straw, but I didn't feel any seepage.
> 
> Is the reservoir under the same pressure as the rest
> of the cooling
> system?  Might my sucking (I'll ignore any comments
> directed that
> way) not be enough to show a leak at the sensor?
> 
> For now I'm going to put it all back together and
> hope it was just
> a loose connection at a hose.
> 
> -- 
> Kent McLean
> '94 100 S Avant, "Moody"
> '89 200 TQ, "Bad Puppy" up in smoke
> 
> 
> 
> 
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> 




 
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