[V6-12v] Leaking coolant reservoir

George Tur getur at optonline.net
Sat Mar 10 15:49:17 EST 2007

On Saturday 10 March 2007 15:11, Kent McLean wrote:

> 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?
Yes, the reservoir is under pressure also, and I believe the system is 
supposed to vent at around 15 psi. I've seen my mechanic pressure test the 
coolant system and what they use is a cap that replaces the regular pressure 
cap and they have an air hose with a meter connected to it. You probably can 
pick up a home version of a pressure tester from a flaps, or rig up something 
with an old cap, hose and pump. 

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