AC fluxuation

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AC fluxuation

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Chevrolet Forums >> Chevy Trucks, Vans & SUV's >> Silverado >> AC fluxuation

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AC fluxuation - 9/4/2008 9:05:45 AM

northey87

Posts: 923
Joined: 10/17/2007
Status: offline

Hey guys, its been a long time since I have been on, mostly vacation, internet problems, and just being plan busy. Anyway, the AC in my truck fluxuates, not so much as the coolant but the blower. The blower, on any speed, will blow fast then slow down, then fast, then slow,...... not a major issue, the AC works and thats all that matters in these hot summer months, I was just wondering if anyone has a solution to this problem, maybe a resistor issue?

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''''95 1500 Silverado, 350, flowmaster Force II exhuast, S&B CAI.

Post #: 1

RE: AC fluxuation - 9/5/2008 1:26:19 PM

ukrkoz

Posts: 170
Joined: 3/23/2008
Status: offline

that or ground. something''s increasing resistance to the current running through the motor - it slows down.
then again - bad brushes on blower motor?
btw, pay attention to your battery gauge when this happens. is it showing loss of current? as ECM is designed to supply best power to engine 1st, then the rest of the appliences. so, if your alternator is "losing it", less juice is going down the blower lines, ya know. even a stratched belt could do this.

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2000 SILVERADO 1500 CENTURION EDITION, 5.3 VORTEC

DON''''T FIX IT IF IT AIN''''T BROK;
IF IT''''S BROK, FIX IT RIGHT AWAY.

(in reply to northey87)

Post #: 2