Question about 1999 Pontiac Grand Am GT
New head gaskets, new water pump .new theromastac, also change radiator
Be sure the air is purged from system. The coolant pipe above the front valve cover near waterpump has a 7mm bleeder screw that will need to be loosened to purge air.
Posted on Nov 25, 2013
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Posted on Jan 02, 2017
It is probably the problem. To make shure that need to change the gaskets, one of the symptoms use to be thet the temp rises when you are running at speed 50+ average, where is supposed that the car gets a lot of air due by the speed and nobody thinks that will be overheated.
Posted on Nov 19, 2008
SOURCE: car runs hot
CHECK YOUR RELAY IN YOUR FUSE BOX UNDER THE HOOD ON THE DRIVERS SIDE INNER FENDER. THE A/C AND THE HEATER RELAY ARE SAME. CHECK AND SEE IF THE A/C REALY WORKS BY TURNING ON YOUR A/C SWITCH. THE ELECTRIC FAN SHOULD START RIGHT AWAY. OTHERWISE YOU HAVE TO WAIT TILL THE ENGINE ACHEIVES OPERATING TEMP TO KICK THE FAN ON. IF ONE DON'T WORK AND OTHER OTHER DOES... SWITCH THE RELAY AND SEE IF IT WORKS. BEEN THERE AND DONE THAT. $9.00 FOR A NEW RELAY AT CHECKER AUTO PARTS.
Posted on Feb 14, 2009
If you have the 2.2L engine, headgasket 8.0 hours, engine 18.3 hours.
The 2.4L engine is , headgasket 12.7 hours, engine 20.8.
This is if you have ALL of the right tools and have experience.
Posted on Mar 10, 2009
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