Question about 2000 GMC Jimmy

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I havea 2000 gmc jimmy. we recently just replaced the heater core and had heat for maybe a day after we replaced it. now my truck is not heating up to 210. heats up to the line right below it. and my heat is luke warm.. if that. also when you press on the gas to excelerate you here a noise like fluid moving i guess is how you would explaine it. i have checked my fluids they are all full and never low at any point when i check them. its 10 degrees here in indiana and riding in a truck with no heat.. just isn't going to cut it any more. also my abs light keeps coming on. when its on my breaks work fine but the min, it goes off its like my breaks area spring and you really have to press down hard to geta good stop. is there any way i can "shut off" the abs until i can afford to fix it? with out locking up my truck or anything? HELP on eaither of there??????

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Hello! First of all you have an air "bubble" blocking your thermostat...If you have a garage and can get the vehicle inside let it cool so you can open the cap...Start the engine...Turn the heat on high...As the engine warms air will bubble out of the top of the reservoir ...When the thermostat opens...Slowly add 50/50 until all air has escaped...Don't be in a hurry, wait until all air has stopped and system is full...To be on the safe side you may want to replace the thermostat before you begin this procedure...

In the under-hood fuse box...Try pulling the ABS fuse (60A)...Test drive the vehicle to see if it will perform braking wise until you can fix ABS...Send a comment and let me know how you make out...


I’m happy to help further over the phone at

Posted on Dec 14, 2010


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