Question about 2002 Chevrolet Malibu
Sounds like a cracked head or bad head gasket to me is it blowing white smoke? O does the exhaust smell like antifreeze.
Posted on Jan 23, 2013
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Posted on Jan 02, 2017
I had this same problem with my 2002 3.4L engine impala. Unfortunately, there was a coolant leak at the lower-intake manifold, caused by a cracked gasket. I replaced the gasket, water pump, thermostat, spark plugs and wires and flushed out the heater coil. Didn't find out what it was until after spending 100s on Dex-Cool. I kept refilling it for months until I got a good mechanic to fix the problem whom told me that this is a common repair on older impalas and GM vehicles with 3.4 and 3.1 engines.
Posted on Jul 30, 2009
Have you checked the coolant to make sure its full.Try this.Run the truck with the radiator cap off and let it warm up.When it reaches normal temps sqeeze the rubber hoses.These hose should be a little hard to squeeze.If they are the thermo and water pump are fine.
Posted on Apr 28, 2009
SOURCE: 1991 camaro overheating
There are two freeze out plugs at the rear of the block (V8) and many v6 engines. If coolant is coming from where you say, likely they have failed. Unfortunately, the only way to reach them is to remove engine or transmission, It's rare that they fail because they are "protected " by the bellhousing, but can still rot from the inside out. There is no sealer known to man that will fix this. It's a shame that you need to do all that work for a pair of $2.00 plugs, but that's what needs to happen.
Posted on May 23, 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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