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Replacing Evaparator

abtanner on Fri September 05, 2008 4:55 PM User is offlineView users profile

Year: 1992
Make: Chevy
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.
TIA,Al.

TRB on Fri September 05, 2008 7:36 PM User is offlineView users profile

Process will be similar to what is listed in our aftermarket a/c installation instructions.

14378

Or you can buy the AllData Subscription..

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mk378 on Fri September 05, 2008 7:52 PM User is offline

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.

abtanner on Sat September 06, 2008 2:20 AM User is offlineView users profile

MK378;
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

TRB on Sat September 06, 2008 2:42 AM User is offlineView users profile

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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When considering your next auto A/C purchase, please consider the site that supports you: ACkits.com
Contact: ACKits.com

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