Question about 1990 Chevrolet Cavalier
I have a leak coming from under the throttle body, what is leaking ?
The throttle body is heated, replace the hose that supplies it hot coolant
Posted on Feb 22, 2012
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Posted on Jan 02, 2017
sound like the heater core. you can bypass the heater core. there are 2 hoses under the hood on the pass side of the vehical on the fire wall undo the hose clamps on both hoses and ties the 2 hoses together
Posted on Feb 13, 2009
SOURCE: coolant leak
has your car over heated because it sounds like it has and caused the crack in whatever is leaking to get bigger. I would put a hose in the filler hole and turn it on just enough to allow a little water to run out and look for where the leak is coming from and go from there.
Posted on Nov 24, 2008
SOURCE: coolant leak/head gasket
it is possible that the higher rpm is creating more pressure in the cooling system and forcing the antifreeze into the cylinder, if you know how, do a compression test on the engine and observe the plugs as you pull them for moisture..............however i am thinking that you may have to wait until the problem with the smoke gets worse in order to determine which cylinder is leaking
Posted on Dec 30, 2008
Thankyou for the reply post. I found it was the water pump and just because it appears that the weap hole is at the top of the water pump it is in fact there is one at the bottom. But with further inspection and replaceing the water pump I was informed that I have a head gasket leak at the front of the engine. It is at this time small. And will require $$$$$$$$ ( $ 800.00 to $ 1300.00 est. ) to repair, I paid only $700.00 for the car and to this day have put in $1100.00 to it. But I love the car! But if can survive till the taxes come next year, I can do it. Baby it and don't drive it much, God willing it will be ok.
Posted on Sep 23, 2008
I've heard other stories about the coolant leaking then the vehcile needing a head gasket replacement? Ask your mechanic, not just any mechanic will work on these vehicles.
Posted on Aug 17, 2009
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