Question about 1994 Buick LeSabre

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I have a clicking vibrating noise comming from my tension pulley how do i fix it?

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You probably need to replace the tensioner pulley... some you can just replace the pulley and others you have to replace the tensioner assy

Posted on Sep 25, 2009

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1 Answer

Rave4 noise


I heard the noise even the time is short to get clear noise location but I believe the noise is coming from the side of the pulleys rotating with the outside belts. Probably the tensioner is the problem with the bearing driver. If you have two belts driven by different pulleys remove the one start the engine and check for any difference, if not try the other one by doing the same.

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Renault scenic Auxiliary belt tensioner making high pitched noise


Time to replace the pulley, you can test it by pulling off the belt and spinning the pully with your hand or some compressed air, if it makes noise then its time to replace.

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AC Clutch noise and vibration


An A/C clutch will not make this concern happen, more likely the A/C compressor is begining to go out. The belt on the A/C clutch Assy. free wheels (spins feree on the pulley) when clutch is not engaged. If concern is not present with A/C off this means the bearings in the puley assy. ok. Once the A/C clutch is engaged it locks the compressor against the spinning pulley and turn the compressor chaft and spins the A/C compressor internal shaft. If you hear a loud "screach" when you turn on the A/C it means the belt slipped for a second, if it continiues to screach it means either the belt is loose or that the compressor is internaly locking up. I wouild start by checking the belt tension (if not equipted with and auto tensioner). You can also remove the belt and turn on the A/C and attempt to turn the clutch/pulley by hand, it should turn with a little effect but should not bind or lock at times if that happens compressor is bad.

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My belt keep coming off the idler polley


Check the alignment of the pulleys. Most common problems are: 1) Belt tensioner. 2) Idler Pulley. 3) Crank Pulley (Vibration Dampner)

Mar 08, 2010 | 1995 GMC Jimmy

1 Answer

The 2001 Windstar we have here only has 7 pulleys and the diagram dosnt match any ides.


here you go. please rate, thanks

Item Part Number Description 1 8620 Drive Belt 2 10300 Generator Pulley 3 6C348 Idler Pulley 4 6B209 Drive Belt Tensioner 5 3D673 Power Steering Pump Pulley 6 2E884 A/C Clutch Pulley 7 6A312 Crankshaft Vibration Damper Pulley 8 8A528 Water Pump Pulley
s1w~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: The drive belt tensioner has no provision for adjustment and will be damaged if forced to travel beyond its operating range. Automatic tensioners are calibrated at the factory to provide the correct amount of tension to the belt. There is no need to check tensioners for proper tension.
NOTE: Drive belts (8620) with automatic drive belt tensioner (6B209) do not require adjustment.
NOTE: When a drive belt is installed new or reinstalled after a service procedure, the drive belt does not fully seat into pulley grooves until engine has run for several minutes.
This vehicle is equipped with:
  • a V-ribbed serpentine accessory drive belt.
  • automatic drive belt tensioners.
New drive belts should be of the same type as originally installed.
Drive belt chirp is a regularly occurring chirping noise that occurs due to:
  • pulley misalignment.
  • excessive pulley runout.
It can be a result of a damaged pulley or an incorrectly replaced pulley that was not correctly aligned.
To correct drive belt chirp:
  • determine the area where the noise comes from.
  • check each of the pulleys in that area with a straightedge to the crankshaft pulley (6312) for front accessory drive and the water pump drive pulley to the water pump.
  • look for the accessory pulley to be out of position in the fore/aft direction or at an angle to the straightedge.
Drive belt squeal is an intermittent noise that occurs when the drive belt slips on a pulley during certain conditions such as:
  • engine start-up.
  • rapid engine acceleration.
  • A/C clutch engagement.
Drive belt squeal can occur under the following conditions:
  • The A/C discharge pressure goes above specifications:
    • The A/C system is overcharged.
    • The A/C condenser airflow is blocked.


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1 Answer

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1 Answer

My 1996 ford windstar 3.8 liter engine tensioner pulley is making a vibrating noise . do I have to replace the whole arm or just the pulley or both? Also ,if I just have to replace the pulley is the bolt...


It probably comes as a unit. tensioners create tension by way of spring and springs do wear out over time. so it may be beneficial to change the whole tensioner. there is a bolt in the center of the tensioner remove it and on reinstall remeber to line up the dowel pin. good luck

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6 Answers

02 altima belt noise


OK, went through the exact same thing this week. Put on a new belt, checked for proper seating, etc, etc. and that wasn't it. Read all through this site and others and it comes down to one of two things, the tension pulley assembly or the compressor itself. Seeing as compressors ran about $300 or so and the pully assembly is less than $50 and takes about 45 min to an hour to replace, I did that first. And for me, that was it. Tip for replacing the pulley assembly? Have a wide variety of sockets (depth) and extensions.

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