Im in the same situation as you. I have a 93 GMC 1500 and have gotten as far as removing the glove box and removing the bottom screws on the box compartment the holds the evaporator coil. I will give you more info as I proceed..... Jack
take the dash apart and remove nessesary items to replace heater core
You have to remove the fuel tank to gain access to the fuel pump.
First open all the doors, remove the pillars and other side plastics, then just pull it off.
how to remove and install fenders on my 1994 gmc sierra
Disconnect the - battery cable Raise and support vehicle Disconnect wiring at top of starter Remove mounting bolts Remove starter
replace a window lift motor for a 2002 gmc sierra?
how do you replace a fuel filter on a 1985 G.M.C. High Sierra
how to remove a clutch pedal assembly 2004 gmc sierra
you have to replace the whole module if I am not mistaken, first remove the steering wheel cover and then there should be 2 pins you will have to get to and push simultaneously to remove
Its not fun, remove your grill, 4 screws on top and 3 snap clips on the bottom holing it in. then remove the headlight assm. and there you have it. No quick easy way to do it.
how to remove cover to replace ignition lock cylinder and what type of tools do i need
On a 2004 GMC Sierra with a 5.3 engine, the knock sensor is locatede under the intake manifold. You have to remove the intake to get to them. There is 2 of them, so it might be better to change them both while it is apart.