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#4492381 - 08/18/17 10:48 PM Pt cruiser coolant pressure test findings.
ram_man Online   content


Registered: 03/15/13
Posts: 3213
Loc: southern mo
I did a pressure test on the ex wife's car and it's slowly using coolant. It's a non turbo 2.4l when the upper plenum was off in the first intake chamber I could hear a hissing noise when I did the pressure test. Never saw coolant just heard the hissing. Would that be a head gasket leak for sure? I'm not all that familiar with this engine all things considered.
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#4492486 - 08/19/17 01:49 AM Re: Pt cruiser coolant pressure test findings. [Re: ram_man]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
Pull spark plug on same chamber and listen for hissing there. Do a compression test as well.
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#4492529 - 08/19/17 06:25 AM Re: Pt cruiser coolant pressure test findings. [Re: ram_man]
vwmaniaman Offline


Registered: 04/18/13
Posts: 133
Loc: Kevil,Ky
Sounds like head gasket or crack in the head. Probably from being run out of water.
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#4492581 - 08/19/17 08:02 AM Re: Pt cruiser coolant pressure test findings. [Re: ram_man]
AZjeff Offline


Registered: 01/14/11
Posts: 2646
Loc: PV Az
You've found an expensive repair on X-wife's car. Now what?
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#4492609 - 08/19/17 08:29 AM Re: Pt cruiser coolant pressure test findings. [Re: ram_man]
Johnny2Bad Offline


Registered: 05/20/13
Posts: 1810
Loc: Saskatchewan, Canada
Well known issue on PTCruisers (ask me how I know) are coolant /cooling problems. Cracked heads, warped heads or blown head gaskets are common, as are radiator fan failures. Do the compression tests, as suggested, and take it from there.

Doesn't matter that you never saw coolant, once the engine gets up to temperature and cooling system pressure it will find it's way wherever it can go. Ideally it can only go where it's supposed to, but regardless, if there is a path it's not supposed to go, it will go there too.

Buy a bottle of coolant dye ($10) and a blacklight bulb ($3) for your trouble light, and you will see every coolant leak, slow or fast.
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#4492902 - 08/19/17 03:09 PM Re: Pt cruiser coolant pressure test findings. [Re: ram_man]
ram_man Online   content


Registered: 03/15/13
Posts: 3213
Loc: southern mo
What if the compression is all good?
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