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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...   Chevy strut replacement I'm trying to get a sensor of some kind ...   2020 suburban new transmission and issues after install recently had the transmission fail at 11...   Caliper piston post cleaning won't screw in Hello, 2013 Hyundai Elantra limited (ma...

Search Auto Parts Search 1990 Chev p/u possible a/c prob Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Car Troubleshooting Grover Anonymous Poster iamgroves@yahoo.com Nov 22, 2006, 5:41 PM Post #1 of 4 (1352 views) 1990 Chev p/u possible a/c prob Sign In Ok, now I'm on a roll and I have another question. My 1990 Chev p/u has a 350 motor and is making a strange squealing sound. It's not a belt but I think it's the A/C compressor. The A/C has not worked for a couple of years and now that cold weather is here I've noticed it has a strange squeal that varies with engine rpm. I don't notice it when I'm going down the road, just when idling. Can the compressor be going bad even though it is not running. Will I have to replace the compressor? Mitch Tom Greenleaf Ultimate Carjunky / Moderator Nov 22, 2006, 7:01 PM Post #2 of 4 (1351 views) Re: 1990 Chev p/u possible a/c prob Sign In Your compressor is both a compressor and an idler bearing for the belt. If compressor even tries which it would with defrost request and you could and should just unplug it till you may want to fix the whole system up. You can just replace the bearing in the clutch or many times just buy the belt for a non A/C applicaction and bypass it. If you don't want to fix A/C there are specially made pulleys to elimate the comressor if wanted. Hit back if that's needed and I'll try to find out who has them, T Grover Anonymous Poster iamgroves@yahoo.com Nov 22, 2006, 9:19 PM Post #3 of 4 (1348 views) Re: 1990 Chev p/u possible a/c prob Sign In The compressor is not trying to kick on. I think it is too low on freon for that. The bearing sounds like what the problem is. How hard is it to replace the bearing and can I get the part at most any discount parts store. I don't think that's something I can find in a Chiltons manual. Thanks, Mitch Tom Greenleaf Ultimate Carjunky / Moderator Nov 22, 2006, 10:40 PM Post #4 of 4 (1347 views) Re: 1990 Chev p/u possible a/c prob Sign In OK: that bearing is toast. The bearing may be less than $20 but tricky to replace. It could be peened in or a snap ring and I wouldn't know without looking. If you can handle used parts you could just get a whole new (used) compressor or check out the bypass belt or bypass parts. That bearing is in the clutch head and really just a pulley. I'm at a few dedicated A/C sites but if you need to purchase something on the web I'd like you to do that here. May not be possible and I'm not sure. Hit me at home as I don't feel comfortable stating other sites for the world to see. Available here anyway but you can reach me direct at TEFeuilleVerte@Comcast.net This should be a cake walk! Happy Thanksgiving, T   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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