Question about Pontiac G6
I was driving home and i noticed a decline in speed, i noticed my thermostat was going higher than normal. i parked and turned off vehicle but when it cooled down, it wouldn't start and i had to have vehicle towed.
Have a compression test done to determine the extent of engine damaged from the over heating. I suspect that the compression will be very low from ring failure and the heads cracked or blown head gaskets from warped head/s. When this happens the prognosis for damage is not good.
Posted on Feb 14, 2014
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Posted on Jan 02, 2017
check battery cables.i had a 81 oldsmobile it done the same thing. it would not start after it got hot.i start mess around with it i shook a battery cable.the positive cable had broke place in it when engine got hot the broke place expand causing a open in circuit so the starter would start.also check make sure your injectors not leaking .
Posted on May 19, 2009
My 2003 nissan sentra would get hot and stall out even in middle of highway doing 70 mph. The guages would go up and down. Would not start up all the time after stalling. had to cool down first. Nissan said it was head gasket, and wanted to charge 1000.00 for the job. I took to local dealer who charged me 550.00. Works fine ever since. Nissan dealer said they do like 3 head gaskets a week on the sentras. They have crappy ones in original parts. They have not recalled though.
Posted on Aug 11, 2009
You most likely have an "AIR LOCK" within the Heater Core. This requires one to pressurize the Cooling System and loosen the heater hose at the HIGHEST POINT and bleed the Air out of the Heater Core. I am not familiar with the Nissan but have encountered this problem numerous times over the years. Most late model vehicles are equipped with Air Bleed devices which must be utilized any time coolant is drained and refilled.
Most all reputable Auto Parts stores sell and/or rent a pump that temporarily replaces the Pressure Cap that may be utilized to pressurize the system for this purpose. If you don't feel capable of performing the bleeding operation take your vehicle to an ASE Certified Mechanic and have it done correctly.
Posted on Dec 07, 2009
Testimonial: "Great advice. That's what I thought it might be, but I wanted someone else's opinion on the matter. Thanks a lot."
Load placed on the engine takes place when the Compressor clutch engages. It will not engage if the system charge is too low on freon. It needs to be checked with a gauge, I think that may be your problem.
Posted on Apr 22, 2010
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