The engine in her Buick vehicle uses a serpentine belt to rotate the accessories on the prior of the engine. The belt is make from nylon-reinforced rubber and also while the nylon helps, the rubber will certainly stretch over time. Constant inspection the the belt is the only way to protect against a belt failure. Inspect your serpentine belt every time you check your oil. A intuitive inspection is all that is compelled unless you spot damage on the belt; climate removal is crucial for further inspection and also replacement if needed.


Under The Hood:

How to change a Serpentine Belt top top a Buick Regal V6 3.8L Step-by-Step Instructions

Find the belt routing diagram on the pan shroud. If the is not there, attract a chart of the serpentine belt"s path roughly the pulleys through pencil and file so you can acquire the brand-new belt on right.

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Find the automatically tensioner. The is located just over and to the ideal of the crankshaft pulley. If the tensioner has an arm on top of it v a square hole, insert a 1/2-inch ratchet right into the hole and rotate the tensioner counterclockwise come release tension on the belt. If over there is no arm, use the box finish of a wrench top top the bolt in the center of the tensioner to revolve it counterclockwise to release tension.

Slide the belt off the pulleys while keeping the tensioner rotated. After you have actually removed the belt, progressively let the tensioner rotate back.

Begin slide the new belt ~ above the pulleys. Revolve the tensioner again to end up installation. Make certain the belt is centered on every pulleys.


Items you will certainly need

Paper and pencil

1/2-inch ratchet

Wrench set

New serpentine belt


How to adjust the Serpentine Belt on a 1997 Buick Park Avenue

Open the hood of your Park Avenue and locate the an adverse battery terminal top top the battery. (The cable is typically black and the battery instance will have a large minus (-) prize molded into it next to the an adverse terminal.) eliminate the cable making use of a wrench to ease the retaining bolt ~ above the cable end, then separate the cable from the battery terminal.

Locate the belt tensioner top top the front of the engine, just listed below the alternator. Ar a socket top top the mounting bolt in the facility of the idler pulley, then rotate it counterclockwise using a breaker bar to eliminate the tension on the belt.

Remove the old belt indigenous the pulleys and discard it. Slowly rotate the breaker bar clockwise, allowing the tensioner to return to its residence position.

Install the brand-new serpentine belt onto every the pulleys top top the prior of the engine other than the tensioner pulley. Utilizing the breaker bar and also socket, rotate the tensioner counterclockwise again and slide the belt onto the tensioner pulley. Turn the tensioner clockwise and allow the tensioner to remove the slack native the belt. Perform not let it snap ago into location or damage will occur to the tensioner spring.

Remove the breaker bar and socket indigenous the prior of the tensioner and also out that the engine compartment. Visually check the belt come ensure it is lying appropriately over the pulleys before starting the engine.

Install the negative battery cable ~ above the negative terminal that the battery and tighten the retaining bolt through a wrench. Begin the engine and also watch the belt, making sure it does not wobble or walk turn off the pulleys. Near the hood and shut off the engine.


Items you will need

Wrench set

Breaker bar

Socket set


How to change a Serpentine Belt ~ above a 2002 Buick Rendezvous

Locate the tensioner pulley. The is directly beneath the alternator ~ above the left side (facing the engine) of the engine compartment. Two different species of pulleys may have been provided for the production of the Buick Rendezvous. Each uses a various belt release option. There will certainly either it is in a bolt head top top the center of the tensioner sheave or a 3/8-inch square drive.

Insert the correct adapter ~ above the belt tensioner tool to accommodate the bolt head or the square drive of the tensioner pulley.

Place the serpentine belt tool and adapter top top the bolt head or square drive of the tensioner pulley and also then release the belt stress by transforming the tool clockwise. If holding the device to relax the stress of the belt with one hand, on slide the belt turn off of the alternator sheave with the other. Be mindful not to permit the belt device to on slide or it can swing ago and reason injury.

Allow the belt tool to return the tensioner earlier to its sit position when the belt has actually been gotten rid of from the alternator pulley. Eliminate the tool.

Work the belt off of every the pulleys. Since minimal access is easily accessible in the 3.4-liter engine, remove of the lower splash guard may aid to remove and also then download the brand-new belt. If necessary, eliminate the reduced splash guard using a ratchet and socket collection to eliminate the retaining bolts.

Remove the belt and also then to compare its length and also rib counting to the instead of belt come ensure the the exactly belt was purchased. Since the tensioner just pivots slightly, just one belt will fit top top this engine.

Install the new belt beginning at the crankshaft top top the bottom. Describe the routing diagram to ensure you"re place the ribbed next of the belt appropriately into the grooved pulleys the the crankshaft, strength steering pump, water pump and also air conditioner unit (see Resources). The level side the the belt will go against the surface ar of the upper and also lower idler pulleys. Perform not incorporate the belt about the alternator pulley at this time.

Hold the belt up close to the alternator pulley and also inspect the lower portion of the belt come ensure the ribs room aligned in the grooves. One misaligned rib top top a wheel will avoid the belt from being mounted on the critical alternator pulley.

Reinsert the belt tool onto the bolt head or square journey of the belt tensioner while tho holding the belt close to the alternator. Turn the tensioner clockwise come reposition the tensioner pulley, i m sorry will allow you to slip the belt ~ above the alternator. If that is no fitting properly, the belt is misaligned somewhere.

Remove all the tools from the engine compartment area after the belt has been replaced. Begin the engine and also inspect the procedure of the belt to make sure it"s remaining in place and also no squeals or squeaks room present.


Items you will need

Serpentine belt tool through adapters

Routing diagram

Replacement belt

Ratchet and socket set


How to change a Serpentine Belt top top a 1998 Buick Park Avenue

Raise the passenger next of the automobile with the floor jack and also place the jack was standing under the frame. Lower the car onto the jack stand. Remove the lug nuts top top the wheel through the lug wrench and remove the wheel.

Place a ratchet v the suitable socket ~ above the belt tensioner and also pull the tensioner away from the serpentine belt to relax the tension. Remove the belt native the pulleys. The belt will come turn off the pulleys, however, it will certainly not come out because the belt passes v the motor mount arm.

Look v the fender well currently that the wheel is removed and also you will check out the lower motor mount right ahead ~ above the framework rail. Look to the appropriate side the the arm whereby it attaches to the engine and you will view a 2-inch section of the arm held in v two bolts. This section need to be removed in bespeak to remove the serpentine belt. Location the floor jack under the passenger next of the oil pan and raise the jack just sufficient to offer support come the engine.

Remove the bolts in the engine mount assistance arm with a socket and also remove the piece. Remove the serpentine belt and install the brand-new belt. Don"t worry around installing it on the pulleys, simply place it v the engine mount because that now. Download the piece of the engine mount arm and tighten the bolts.

Look at the diagram because that the belt routing top top the radiator cover. The is an extremely tight fit in between the engine and also the frame. The belt demands to be mounted a little at a time, starting at the top. Then walk in the fender well and also grab the belt and pull it down into place as much as possible, and then ago to the top and so on until it fits.

Install the belt as portrayed on the radiator cover and also when the belt is on every the pulleys, relocate the sheave tensioner away from the belt and also install the belt top top the tensioner. Permit the tensioner to operate and also apply anxiety to the belt. Install the wheel and tighten the lug nuts through the lug wrench. Lower the car.


How to replace a Serpentine Belt in a Buick LeSabre

Note how the old belt is routed. Do a drawing of the belt routing have the right to make it easier to download the brand-new belt, particularly if the under hood routing overview sticker is missing. If the belt has broken, the belt routing deserve to be discovered in a company manual (see Resource).

Remove the old belt through compressing the spring-loaded tensioner and slipping the belt off the alternator pulley. If your LeSabre has the engine package the does not require removal of the motor mount, the belt will merely pull out of the engine compartment, and you deserve to install the new belt in turning back order. If you need to remove the engine mount, proceed to the next step.

Position the floor jack under the engine v a block that wood between the oil pan and also the jack. Then jack increase the engine just enough to make an excellent contact and support some of the weight. Remove the coolant overflow bottle. Remove the bolts attaching the motor mount to the frame, and the motor bracket. Climate lift the end the engine mount and also remove the old belt.

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Install the brand-new belt, introduce to the belt routing drawing or business manual, and also slip it back onto the alternator if compressing the spring-loaded tensioner. Reinstall the motor mount and coolant overflow bottle, tightening the bolts securely. Start the engine, and also check that the belt is routed properly and sitting same in the wheel grooves.