[DML] Re: Cooling System - High Pressure

["Dave Swingle" <swingle@xxxxxxxxxxx>]

Are you saying that you ran the car with the pressure tester in place 
on the car and no radiator cap? If that's the case there was nothing 
there to relieve the pressure. A functional 15-lb cap will bleed off 
anything above 15. 

Dave S


--- In dmcnews@xxxxxxxxxxxxxxx, BePositive2000@xxxx wrote:
> 
> 
> Hi, All,
> 
> I'm afraid I have a coolant pressure problem (too high) and am 
hoping
> one of you will have a possible easily fixed cause, other than blown
> head gasket.  
> 
> After having the coolant bottle cap blow (on my new SS bottle), I 
put
> a pressure gage on the cooling system.  With engine not running, I
> pressurized the system to 15 psi. It held steady at 14.5 psi for 
over
> 2 hours.  Thought I was home free.
> 
> I then started the car and watched the pressure rise slowly to 20 
psi
> before shutting off the car and doing possible damage.  








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