1996 Buick Riviera Logo
Michael King Posted on Apr 01, 2015
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I have a 96 Buick riviera (no turbo) with the 3800 I need to tighten the serpentine belt how do I do that

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Russell Mower

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  • Master 372 Answers
  • Posted on Apr 01, 2015
Russell Mower
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Not manually adjustable has a automatic tensioner on it, which will need to be replaced

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REPLACING THE SERPENTINE BELT ON A 1995 BUICK RIVIERA SUPERCHARGED SERIES 1. DO I HAVE TO REMOVE THE TORQUE AXLE BOLT

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96 Riviera.. just replaced blower coupler, fuel pump and fuel filter now acts like it's hitting the rev limiter at 3800 rpm...

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Serpentine belt on a 3800 supercharger

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How to install an accessory belt on a 1995 buick riviera 3800 supercharged?

Now would that be the super charger belt, or the other serpentine???
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Need belt diagram for 96 3800 buick riviea

The 1996 Buick Riviera SC has two belts. An inner and an outer belt. The outer belt is for the supercharger and the inner belt is the drive accessory belt. Rotate the tensioner pulley (idler) and remove the outer belt first. The do the same to remove the inner belt. Check all make pulleys and make sure they are free of any debris or oil.

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Install

Route the belt according to the diagram above leaving the tensioner pulley for last and maintaining tension on the belt with your hand. Rotate the tensioner pulley enough to slip the belt on. Inspect your belt and make sure it on correctly before you start to put the outer belt on. Repeat these steps for the outer belt.

Hope this helps (remember to rate and comment this answer).
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Im going to have to change my serpentine belt on a 96 buick park avenue. 3800 non supercharged. Looked at it yesterday and it looks like I have to unbolt motor mount to get the belt off? Is there an easier...

yes.that is the only way.You have to unbolt the motor mount. To replace the serpentine belt on a V6 3800 series non-supercharged motor, you must jack up the motor and remove a motor mount. Before going any further make sure that the factory belt diagram sticker is still somewhere under the hood; if not, make a detailed diagram of the path of the belt. You must then use a breaker bar with a socket (I believe 13/64") and pull it toward the front of the car to release the belt tensioner. Put the new belt on, tighten it, put the mount back on, and lower the jack. Thanks. keep updated for any more query.you can rate this solution and show your appreciation.
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I need to chance the crank sensor on a '96 buick park ave. 3800 v-6, what am i going to have to take off to do it ?

Passenger tire, passenger inner well cover, serpentine belt, pulley that attaches to harmonic balancer , nut for harmonic balancer, then harmonic balancer. Sensor is screwed to engine. Disconnect battery prior to and before install of sensor. The 3800 has a special balancer puller designed just for it, not sure were you could rent one it is a specalty tool.
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Change alternator belt on 1996 buick riviera

The 96 Riviera has a motor mount that interferes with the removal and replacement of the serpentine belt. The motor mount must be loosened and the engine need to be lifted slightly to accomplish the replacement. Not good engineering on this model year.
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How to replace accessory serpentine belt on 1996 Riviera

The supercharged 3800 engine uses two accessory drive belts. The outer belt drives the supercharger. The inner belt drives the generator, power steering pump, coolant pump and air conditioning compressor. All driven accessories are rigidly mounted to the engine. Drive belt tension is maintained by the spring loaded belt tensioner. Each belt has its own tensioner.
Remove: Place a jack with a block of wood on it under oil pan to support engine. Caution : Be sure the wood block extends past the width of the oil pan to avoid damage. 
Torque axis engine mount bolt where it connects the mount to the engine mounting bracket. 
Electrical connector from crank sensor. 
Engine mounting bracket lower stud and lower engine to allow stud to clear frame rail. 
Raise engine and reinstall bolt into torque axis mount. Lower engine to allow spacer to be removed. 
Belt(s)

Istalling: Belt. 
Spacer. Remove bolt from torque axis bracket and lower engine. 
Electrical connector to crank sensor. 
Mounting bracket stud. 
Raise engine and install torque axis mount bolt. 
Tighten bolt to 87 Nm (52 lb. ft.) 

Good luck and hope this helps.

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