1995 Pontiac Grand Prix SE 6v 3.1L running red line hot!
1995 Pontiac Grand Prix SE 6v 3.1L started running red line hot. I back flushed the coolant systems with no problems and replaced a year old thermostat. Still running very hot.
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remove thermostsat,drill 1/8 hole close to edge,to by-pass steam,common problem....jack-up the front of car toallow any air to purge from system,should be bleeder valve...bolt with a nut...loosen it remove air until antifreeze runs out,retighten bleeder nut,,put car back down....should fix ya
more than likely one of your heater hoses has sprung a leak ... if your car is not over heating with water in it than your water pump is fine.... the gasket around it may need to be replaced tho ... start your car then you look for your leak please get back to me
put the key in trun it on do not try and start it just trun it on. leave it on of 20 min.s then trun key off and try to start this should reset the computor.
Start by flushing your coolant system, then refill with a quality coolant.
Run up to temperature and check again for level (when cool again)
Check that the radiator is getting really hot quite suddenly when running from cold, as this is the best way of checking thermostat operation.
When over a set temperature (check your manual) the fan should come on.
If it never does - troubleshoot the fan (temperature switch or sensor first, then fan on direct feed to see if it powers up ok)
check to see if the electric fan is coming on when it should. Also check coolant level. Also, you may have the beginning of a plugged radiator If all else is OK flush radiator out.
it sounds like it may have air in the system there should be a bleeder valve for the coolant also if it ran hot you may have a possible head gaskt problem i would try bleeding the air out of the coolant system and if problem is still there you can buy a kit to check the head gasket it hooks to the coolant system and you pour a liquid in it and if it turns from blue to yellow it has a head gasket problem
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