Question about 2001 Chrysler PT Cruiser

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2001 pt cruiser temperature is hot, fan does not come on

Had to put a toggle switch to turn on fan or else temperature will rise. Also installed a new battery because sometimes the car won't start up.
I thought it was the battery but the problem still arises. Some days it will start up immediately other days it doesn't crank. Need to play with the shifter or sometimes putting it in neutral than it starts.

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  • derac2 Feb 11, 2009

    Thanks, I will try the test.

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  • 286 Answers

Hi

Sounds like you have head gasket problems.

2 ways to test this out are,

1. Pressure test the cooling system up to 15 lb sq in, with a cooling system tester pump,
( Available at any good car parts store )
Remove your spark plugs, wait about 1 hr, then get someone to spin over the engine, and monitor for coolant blowing from the plug holes.
This will confirm cylinder head, or the gasket is leaking.

2. Cooling system carbon monoxide test.
( Tester available from any good car parts store.)
The engine is run to normal temp, the tester is filled with fluid, and put in the header tank opening, and the suction ball squeezed, causing the gases in the header tank to pass through the fluid.
If there are any exhaust gases (carbon monoxide) present the fluid changes color, once again
confirming cylinder head, or the gasket has failed.

The reason you sometimes can´t start are the coolant leaking into the cylinder, shorts out your plugs, and the increase in your coolant temperature is due to loss of coolant into the bores, and over pressurizing of the cooling system, and blowing your coolant out the overflow as you drive.

Hope this has been helpful to you.

A FixYa Rating would be much appreciated Thank You !

Any further questions, please ask !

John.

Posted on Feb 10, 2009

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