This is topic Slipping Serpentine Belt in forum Tech Talk at Northern California Ford Owners .
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Posted by FordPny (Member # 510) on
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I just got a 91 GT and every time I start the car the Serpentine belt slips really bad, and some smoke comes from the fan area, I changed the fan, put bbk underdrive pullyes and the belt of my old 5.0. The Belt is like 6 months old and the reason I didnt put a new one was cuse it was like 12 at night I had no other choice, ill be getting a new belt today. But it still screams way to loud and slips to much for how tight the belt is. Please help me I need this car to run soon.
Posted by RiddlerGT (Member # 113) on
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Get a new belt tensoner it might be worn out and not applying enough pressure
Posted by 91sleeper (Member # 779) on
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Try to be careful with solvents and lubcrants around the belt and pulley area. Once you get oil or somethin on those pulleys or on the belt its hard to get them to stop slippin again. Try a new belt tensioner though and a new goodyear gator belt.
Posted by FordPny (Member # 510) on
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Thanks a lot for your help, I changed the tensioner and belt turned out it was a frozen Air Pump. Thats what happens when your in a hurry I guess, I feel so dumb. 
Posted by RiddlerGT (Member # 113) on
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Haha my shit did the same thing in my 5.0 it started locking up oh well fuck it take it off who needs smog anyways
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