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Ac problems 2003 GMC Sierra 1500
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paguilar
New User
Sep 19, 2015, 9:17 PM
Post #1 of 2
(1302 views)
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Ac problems 2003 GMC Sierra 1500
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AC started acting up by not cooling consistently. Sometimes I would have to open windows to get it to cool. Then it would work fine for awhile. Also blower motor would not work in highest setting 5 , intermittently. Now after doing a coolant flush ac stopped cooling. Help!
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 20, 2015, 12:09 AM
Post #2 of 2
(1284 views)
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Re: Ac problems 2003 GMC Sierra 1500
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Will need to know if this is or could be a climate control set up or manual A/C and if any chance a dual system or front only. Which engine? Some common ones put the compressor down low towards passenger's side on it's own smaller belt I think wasn't self adjusted? What change are you noticing by opening windows except getting outside air in why does that change anything? Miles? Intermittent cooling could be a host of things now nothing after a cooling system flush. Wet all over compressor might have been an issue? Spare the whole novel for now I think I'd check A/C clutch air gap that it doesn't exceed .020 or by much if so and note when A/C requested if hub of compressor is turning at all or not or perhaps slipping. Leave the fan issue as separate for the moment, T
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