Serpentine Belt Tensioner Pulley May Wear Out on Buick Regal

The serpentine belt tensioner pulley may wear out. Our technicians tell us that in order to get a new pulley from General Motors you must purchase a complete belt tensioner assembly.


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Average mileage: 94,473 (36,500–251,000)
Engines affected: 2.0L 4 Cylinder Turbo, 2.4L 4 Cylinder, 3.1L V6, 3.8L V6, 3.8L V6 Supercharged
11 model years affected: 1995, 1996, 1997, 1998, more1999, 2000, 2001, 2002, 2003, 2004, 2011
26 people reported this problem
11 people shared problem details
2001 Buick Regal- 3.8L V6120,000
Horrible sound, A/C Tensioner Pulley needs to be replaced. A/C still works, as does heater. But it is about to go out (causes a grinding sound in front left engine area, that changes pitch when you hit A/C switch or heater switch)
2011 Buick Regal- 2.0L 4 Cylinder Turbo
2002 Buick Regal- 3.8L V6 Supercharged116,000
Piulley spun wopperjawed. And threw sparks and belt started to come off.
2003 Buick Regal- 3.8L V6130,000
Belt broke on the car. Replaced the belt. High pitched squeal and the new belt was trashed. Then replaced the tensioner and belt, the car ran as good as new.
1995 Buick Regal- 3.8L V673,000
It's actually a LeSabre, but same issue. Recently bought a used '95 LeSabre with 73k miles on it. Driven regularly, inspected every year, 1 owner. Makes a whining noise and the belt appears to be close to failing. I assume the noise is the tensioner pulley assembly. I plan on taking care of it next spring... the car can sit until then. Seems like it wouldn't be a terrible project, but not ideal in the cold weather we're having.
1997 Buick Regal- 3.8L V6115,000
Belt would squeak put pulley tensioner.
2011 Buick Regal- 3.1L V639,650
Buick 2011 Turbo. When it's hot outside, car runs rough. Stabilitrak light came on twice but has not been on lately. When car is turned off, has whirring sound. Outside temperatures here in East Texas have been near 100 degrees lately. Does not happen at lower temperatures.
2011 Buick Regal- 2.4L 4 Cylinder36,500
took it back to dealer
had to have it replaced because the belt tensioner was leaking. mileage may not be accurate l.e.d. screen doesnt light up
2002 Buick Regal- 3.8L V685,000
This problem occurred after a catalytic converter replacement. The first shop said that this would run me $385 to replace the Drivebelt tensioner as well. Luckily, I had another shop replace the pulley for $90 and it did the trick.
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