Question about Pontiac Grand Am
Coolant level is right no leaks and temp is not running hot heater works fine.
The low coolant sensor is located inthe over flow bottle thay go bad
Posted on Nov 08, 2012
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Posted on Jan 02, 2017
This same thing happened to mine. It only happened in really cold weather though. I added a few inches more of coolant into the overflow. It fixed the problem. I also discovered if that is not the problem, the sensor in the overflow can go out and a replacement is about 20 bucks.
Posted on Mar 09, 2009
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: 2004 impala coolant level
My 2004 3.4 liter impala had this problem.I found out the Rad. overflow tank was leaking Rad fluid out of the overflow nozel on the tank.I pluged the overflow nozel and added a hole in the tank cap.filled the tank to the proper level and bleed the air out of the Rad.(plug on rigid tube of engine, pull plug til fluid comes to top while running)never had another problem over heating again.
Posted on Aug 15, 2008
If its the 3.1L it could be your intake manifold gasket , the material used for the gasket does not react well with GM's Dex-Cool antifreeze. The leak may not be apparent at first, but I would pressure test the cooling system. If you look at the front of the motor by the belts , try to peek down at the intake manifold and check for slight seapage to an obvious leak.
If its either of the Quad-4's they were notorious for heads warping or cracking.
Posted on Feb 03, 2009
check the heater hoses and if both are hot then the mode door is broken
i have replaced 2 in the torrents(not a nice job)
Posted on Jun 21, 2009
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