Question about 2004 Chevrolet Silverado 1500 Crew Cab
I have most of the dash removed, but i am not sure how to get the old heater core out??
Here a are the instuctions to remove it. I did not know if you have A/C or not so I included both for you.
REMOVAL & INSTALLATION
Without Air Conditioning
See Figure 1
Posted on Nov 28, 2008
Most chevy 5.3 do not use a cap and rotor. Most have single coil per spark plug and wire. Trace spark plug wires to coil usually above the valve cover.
Posted on Dec 28, 2008
Had the same thing happen to my truck, the blen door actuator is under the console on passenger side, but the heater core is going to be clogged if you dont have any heat coming through, but a/c works..
Posted on Oct 06, 2009
As with all vehicles it seems the first part that they build around is the heater core. It is under the dash above the floor housed in a black plastic sealed box. Sealed with goop. Locate that box and start removing everything around it that is peventing taking the cover off. Of course disconnect the heater hoses under the hood a thefirewall.
Warning it is never as easy as it sounds.
Posted on Nov 29, 2009
These codes are for the evaporative emission system.The 455 is the vent solenoid.The 455 is a large leak in the evap.system.The vent solenoid I would replace because they go bad and will not work because they are under the vehicle in the rear of the truck.There is a bulletin for these and the vent valve is installed in another spot.The number for the bulletin is 02-06-04-037E.You should also look for a broken or loose hose or pipe that might have came off.Specially if you ran over something.If none found it could just be the vent solenoid stuck in the venting position.Good luck.
Posted on Dec 01, 2009
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