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GMC Forum: 2002 GMC sierra A/C
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Old 05-14-2018, 01:14 PM
muddpuddle muddpuddle is offline
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Drives a GMC Truck
Join Date: May 2018
Posts: 3
Default 2002 GMC sierra A/C

Hey guys Im back... my truck, a 2002 GMC sierra 1500 4wd, 360,000 miles had the AC compressor replaced a year and a half ago... it was so nice having cold air... lasted two weeks, then it quit. i took it back to the mechanic, and he tested the's still good, but not getting power. I didnt have thce time to deal with it so i left it alone... went through last summer with now A/C, not doing that again. I have fired that mechanic for other reasons, not going back. Now how do i figure out this AC problem.. i believe it is an elecrical issue as the truck already has some issues like...gas guage doesnt work, but comes on intermittently when I toggle the fresh air select button....also had an issue with the solonoid that controls the heater finally quit and now I dont get any airflow to the footboard area.... Figured it wasnt worth tearing my dash apart to fix it, but i think all this stuff is linked together.... any ideas? I know the GMC sierra and Suburbans have had issues with some electrical features within the dash area, maybe this is one of them..
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Old 05-19-2018, 04:21 PM
98trck 98trck is offline
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Join Date: Feb 2011
Location: Chandler Az
Posts: 248

i had to replace the fan switch twice on my '98
had no problems with a/c selector switch
the switches are not high quality maybe the switch has gone bad
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