Question about 2003 Chevrolet Impala
At the engine end of the upper rad house, there is a housing that holds the thermostat. take that off and there she is.
Posted on Nov 12, 2009
Testimonial: "thanks.ill do this repair his week."
If the thermostat did not fix the problem then you could have a stopped up heater core (all you need to do is back flush the heater core), it will not allow proper flow across the vents.
Posted on Nov 14, 2009
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Posted on Jan 02, 2017
SOURCE: heater not heating, but it blows
Sounds like a clogged heater core, try flushing out the whole system and putting in a flushing Tee on to the heater core hose inside the engine compartment, There will be 2 hoses coming out of the fire wall possibley on the passenger side that go into and come out of the heater core, The Tee can take a garden hose connected to it,[3/4"] hose i think ,measure to be safe all you have to do is cut one of the hoses and install the Tee with 2 clamps and attach a hose, first i would attach 1 side to the Tee and attach the hose but don't attach the other hose just yet ,flush out the heater core first then switch the Tee to the other hose and leave off the other hose so that you flush out the core from the other direction and what ever is clogging up the core doesn't go into the rest of the system.then hook up everything and bring the vevicle up to temp and repeat this process [USE ONLY WATER TO FLUSH OUT ] BE CAREFUL NOT TO BURN YOURSELF WITH THE HOT WATER , PUT A RAG OVER THE TEE WHEN DISCONNECTING THE LAST TURNS ON THE CLAMP.Also change out the thermostat under the hood.
Posted on Mar 05, 2009
It could be a number of things not only your t-stat but also an empty reserve tank and even your water pump could be bad. make sure to check all those things out before you go on a replacement spree.
Posted on Jan 30, 2010
You need to buy the fittings first they are sold by a company called HELP motormite. Very common to go bad. You will need to buy or borrow springlock tool. Are sold seperately or in a set. What they are is a garter spring that will disconnect quick connector on fittings. The parts store will have them too.
Posted on Jun 07, 2010
Testimonial: "It is good idea to buy replacement part first a then what...?"
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