Model: 1/2 Ton, P.U,Z71,4X4
Engine Size: 350cu
Refrigerant Type: R134
Country of Origin: United States
I must replace the evaperator, does anyone have an writen procedure for this task that they would share? I would be most greatful.
The AMA instructions are actually much better detailed than alldata, as well as free. But in a nutshell you'll remove the heater A/C case from the truck (requires taking a bunch of other stuff off first), crack it open from the bottom, and R&R evaporator core.
Thanks for ya timely responce. The AMA procedure seems straight forward and 'do-able'. However,in ref. to page three ,step number 19, (drill two 1,1/2"holes into the
firewall).Why is this mod. needed? Likewise, in steps 24 and 25, why is "micro sw."installation and rewire of the "press.cycling sw."needed. I wish to keep the A/C sys. in it's standard configuaration.
Thanks again for ya input, I'm most greatful. TIA for ya reply. Al
Dude, those instructions are for installing our (AMA) after market system. The procedure to remove the case assembly is what is need to R & R the OEM evap core. So pick the parts that help with your repair and forget the rest!
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