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Old 06-08-2011, 10:42 AM
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A/C 'ticking' in reverse

The other day I noticed my moms Jeep was making a ticking noise from under the hood when she was pulling out of the garage. I stopped her and had her pop the hood while keeping it in reverse. The sound seems like it is coming from the a/c compressor. Does anyone have any Ideas?

Just wanted to update: Yesterday I replaced the belt on my moms jeep and mine. It turns out one of the bering went bad on the tensioner pulley. Replaced that and the belt sounds a lot better.
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Done: Tow Hooks, Amsoil Severe Gear 75w-140, Amsoil Air Filter, Amsoil 0w-20, Amsoil T-Case, NGK V-Power, Skid Plate Front and Front Engine, Front Hitch, Hypergrounding, Shorty Antenna, 2" Old Man Emu Lift, Nitto Terra Graplers, Rola Rack
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Old 06-08-2011, 05:48 PM
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Re: A/C 'ticking' in reverse

Check the serpentine belt. I've had a belt that was in otherwise good visible condition stretch to the point of making the idler pulley tick during certain functions like going into drive with the AC on, etc. That happened to me on my Liberty and before I found the actual problem I was swearing it was the AC compressor making the sound. How old is your belt?
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Old 06-08-2011, 06:25 PM
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I'll check that because its very old I'm sure

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2007 Jeep Grand Cherokee 4.7L, 4x4

Done: Tow Hooks, Amsoil Severe Gear 75w-140, Amsoil Air Filter, Amsoil 0w-20, Amsoil T-Case, NGK V-Power, Skid Plate Front and Front Engine, Front Hitch, Hypergrounding, Shorty Antenna, 2" Old Man Emu Lift, Nitto Terra Graplers, Rola Rack
Need to be Done:Magnaflow Muffler, Fuel & Tcase Skid Plate,
The Electronics:Escort 9500ix, 400 Watt Inverter, Rockford Fosgate P2, Viper 5901, CB Radio, DB Drive 6.5, SuperChips, Rigid Dually Flood (Front), Rigid Dually Diffused (Backup)
Future Electronics: Mopar/Kicker 6x9 and dash, Scanner
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