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For pressure testing the cooling system, what is the maximum pressure?

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Not much past 16-20 psi

Posted on Oct 10, 2010

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My acura legend 97 is getting hot


NEXT STEP,HAVE A COMPLETE COOLING SYSTEM INSPECTION SERVICE PREFORMED AS FOLLOWS;
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2002 Pontiac GTP supercharged trouble code po300 keeps coming up and I have pressure building up in the radiator is it a blown head gasket


Probably.
Code 300 is for a random miss, and yes the extra pressure could be from a leaking head gasket.
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Can expansion tank be bad on 2004 tahoe?


Radiator expansion tank? Yes they can go bad and leak. Not too often bit they can. Cooling system pressure cap in on said tank. So the tank can be pressurized up to 15 psi. Best way to test is with cooling system pressure test tool, pump up to 15 psi and watch guage for drop in pressure and look for leaks.

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I have a 1994 Toyota four runner And the it leaks from the thermostat area and now there is Steam coming from the radiator What is going on. And


Pressure test the cooling system when the engine is cold and the radiator is topped up. After pressurizing the system up to 10 psi examine the leakage all around the engine, radiator and all the joints.

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2005 FORD ESCAPE OVERHEATING


Did you have the head checked for warping and crack tested. because combusting gas is finding its way into the cooling system. have you replaced the thermostat .

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Overheating but know water in oil


first thing i would have my pressure cap tested next i would pressure test the cooling system .you might have a blown head gasket near a watter gallery this will cause pressure in the cooling system.

Feb 23, 2013 | 1999 Land Rover Range Rover

1 Answer

Keeps overheating and blowing white bellows of smoke out the muffler


White smoke is a sure sign of a blown head gasket.
Haven't you noticed the loss of coolant?
To be absolutely sure, you run a cooling system pressure test.
Basically you replace the radiator cap with a pump and gauge.
You pump it up over the cap rating, and watch for a few minutes to be sure it holds pressure.
A head gasket leak will usually not hold pressure.
Then you try it with the engine on.
When you rev it, that produces the maximum heat and pressure, so a leak will cause the gauge to oscillate every time the leaking cylinder fires.

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My oil pressure lamp came on and my car over heating? i have added more oil, but i hear a constant rattling noise when the car starts. the most concerning thing is that the engine termperature gage goes...


Do not drive the car until this is corrected, as major damage can result, and may have already occurred. What is the coolant level? Is it full, or empty, or have you had to add a little or a lot recently? What is the oil level? You say you added oil, did you fill it to the correct level? Is it overfilled? Overfilling with oil is as bad as running with low oil. If it is overfilled, drain it to the correct level. When the car warms up (10 minutes) and the temp gauge goes up, are the cooling fan(s) turning on? If they aren't, that could be your overheating problem. It could also be a thermostat that is stuck closed, or partially closed. Rust and sludge in the cooling system can also cause overheating. Has the system been flushed every several years? So, answer all my questions, and I'll try to narrow the cause some. The fact that the engine 'rattles' when the car starts is a concern, as well as the overheating.

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93 Camero v6 engine


The cooling system could have air in it and need bleeding.I would suggest a pressure test on the system.If you are sure that it has to much pressure.I would suggest a compression test to eliminate blown head gaskets or cracked or warped heads.Also check you intake gaskets.Good Luck!!!!!

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