the part under the dash you can see has screws al the way around it. take off all the screws and the bottom of the unit comes off. then you will see the core up in it. you'll be on you back most of the time in the passenger's seat. good luck!
You do not need to completely remove the dashboard in order to change the heater core. Remove the water hoses from the heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
a C1500 is a half-ton pickup, a C20 was a 3/4 ton. Chevrolet half ton trucks used to be called C10s.
11 Quarts
Gm does not use inertia switches.
Remove the wiring harness from the wiper motor. Remove the wiper arm linkage. Remove the wiper motor retaining bolts. Reverse the process to install the new wiper motor.
6
Yes.
It's part of the electronic engine controls.
under the dash on the passenger side.
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You'll need to pull much of the air shroud under the dashboard. Once you expose the heater core you'll need to disconnect it from under the hood. There are a few studs near the heater hose connections that hold the core in place. Pull them only after you've removed enough of the air shroud to get the core out.
Remove nut holding the trans mount to the crossmember jack trans up off of the crossmember then hand wrench bolts out of trans and reverse process.