The engine in your Buick car uses a serpentine belt to revolve the accessories on the prior of the engine. The belt is do from nylon-reinforced rubber and while the nylon helps, the rubber will certainly stretch over time. Constant inspection the the belt is the only means to prevent a belt failure. Inspect your serpentine belt every time you examine your oil. A visual inspection is all the is forced unless girlfriend spot damage on the belt; climate removal is important for further inspection and also replacement if needed.


Under The Hood:

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

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

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Find the automatic tensioner. The is located just over and to the right of the crankshaft pulley. If the tensioner has actually an arm on height of it with a square hole, insert a 1/2-inch ratchet into the hole and also rotate the tensioner counterclockwise to release stress on the belt. If over there is no arm, use the box finish of a wrench ~ above the bolt in the center of the tensioner to turn it counterclockwise to release tension.

Slide the belt turn off the pulleys while keeping the tensioner rotated. ~ you have actually removed the belt, progressively let the tensioner revolve back.

Begin sliding the new belt onto the pulleys. Rotate the tensioner again to finish installation. Make certain the belt is centered on all 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 her Park Avenue and also locate the an adverse battery terminal on the battery. (The cable is generally black and the battery case will have a big minus (-) symbol molded into it beside the an unfavorable terminal.) remove the cable using a wrench to loosen the retaining bolt ~ above the cable end, then different the cable from the battery terminal.

Locate the belt tensioner ~ above the prior of the engine, just listed below the alternator. Ar a socket ~ above the mounting bolt in the facility of the idler pulley, then turn it counterclockwise making use of a breaker bar to remove the tension on the belt.

Remove the old belt native the pulleys and discard it. Progressively rotate the breaker bar clockwise, allowing the tensioner to return to its house position.

Install the new serpentine belt onto every the pulleys ~ above the former of the engine except the tensioner pulley. Utilizing the breaker bar and also socket, turn the tensioner counterclockwise again and slide the belt onto the tensioner pulley. Turn the tensioner clockwise and permit the tensioner to remove the slack from the belt. Carry out not let that snap earlier into ar or damages will happen to the tensioner spring.

Remove the breaker bar and also socket indigenous the prior of the tensioner and 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 of the battery and tighten the retaining bolt v a wrench. Start the engine and also watch the belt, making sure it does no wobble or walk off the pulleys. Near the hood and also shut off the engine.


Items you will need

Wrench set

Breaker bar

Socket set


How to change a Serpentine Belt top top a 2002 Buick Rendezvous

Locate the tensioner pulley. It is straight beneath the alternator on the left side (facing the engine) that the engine compartment. 2 different types of pulleys may have actually been used for the production of the Buick Rendezvous. Each uses a various belt relax option. There will certainly either be a bolt head ~ above the facility of the tensioner sheave or a 3/8-inch square drive.

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

Place the serpentine belt tool and also adapter onto the bolt head or square journey of the tensioner pulley and then release the belt tension by turning the device clockwise. If holding the tool to relieve the tension of the belt v one hand, slide the belt turn off of the alternator sheave with the other. Be mindful not to allow the belt device to slip or it deserve to swing ago and cause injury.

Allow the belt device to return the tensioner ago to its sit position once the belt has actually been removed from the alternator pulley. Remove the tool.

Work the belt turn off of all the pulleys. Since minimal access is obtainable in the 3.4-liter engine, remove of the reduced splash safety may help to remove and also then install the brand-new belt. If necessary, eliminate the lower splash guard utilizing a ratchet and also socket collection to eliminate the retaining bolts.

Remove the belt and also then to compare its length and rib counting to the replacement belt come ensure the the exactly belt to be purchased. Due to the fact that the tensioner just pivots slightly, just one belt will fit ~ above this engine.

Install the brand-new belt starting at the crankshaft top top the bottom. Refer to the routing diagram to ensure you"re put the ribbed next of the belt accordingly into the grooved pulleys of the crankshaft, power steering pump, water pump and also air conditioner unit (see Resources). The level side of the belt will go against the surface of the upper and also lower idler pulleys. Execute not combine the belt approximately the alternator pulley at this time.

Hold the belt up close to the alternator pulley and inspect the lower section of the belt to ensure the ribs are aligned in the grooves. One misaligned rib top top a wheel will prevent the belt native being installed on the last alternator pulley.

Reinsert the belt device onto the bolt head or square drive of the belt tensioner while tho holding the belt close to the alternator. Revolve the tensioner clockwise to reposition the tensioner pulley, i beg your pardon will allow you to on slide the belt top top the alternator. If the is no fitting properly, the belt is misaligned somewhere.

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


Items you will certainly need

Serpentine belt tool v adapters

Routing diagram

Replacement belt

Ratchet and also socket set


How to replace a Serpentine Belt on a 1998 Buick Park Avenue

Raise the passenger side of the automobile with the floor jack and also place the jack stand under the frame. Lower the auto onto the jack stand. Eliminate the lug nuts ~ above the wheel v the lug wrench and remove the wheel.

Place a ratchet v the suitable socket on the belt tensioner and also pull the tensioner away from the serpentine belt to relax the tension. Eliminate the belt indigenous the pulleys. The belt will come off the pulleys, however, it will not come out because the belt passes through the engine mount arm.

Look through the fender well now that the wheel is removed and you will watch the lower motor mount directly ahead on the structure rail. Look to the best side of the arm wherein it attaches come the engine and you will watch a 2-inch ar of the arm hosted in v two bolts. This section should be eliminated in order to remove the serpentine belt. Location the floor jack under the passenger next of the oil pan and also raise the jack just sufficient to give support come the engine.

Remove the bolts in the engine mount assistance arm through a socket and also remove the piece. Eliminate the serpentine belt and also install the brand-new belt. Don"t worry about installing that on the pulleys, just place it with the motor mount because that now. Install the piece of the engine mount arm and also tighten the bolts.

Look at the diagram for the belt routing ~ above the radiator cover. It is really tight fit between the engine and also the frame. The belt requirements to be set up a little at a time, starting at the top. Then walk in the fender well and also grab the belt and pull it down right into place as far as possible, and also then back to the top and also so on till it fits.

Install the belt as portrayed on the radiator cover and when the belt is on all the pulleys, move the sheave tensioner away from the belt and also install the belt ~ above the tensioner. Allow the tensioner come operate and also apply stress and anxiety to the belt. Download the wheel and tighten the lug nuts with the lug wrench. Lower the car.


How to replace a Serpentine Belt in a Buick LeSabre

Note just how the old belt is routed. Make a illustration of the belt routing deserve to make it less complicated to download the brand-new belt, particularly if the under hood routing guide sticker is missing. If the belt has broken, the belt routing have the right to be found in a organization manual (see Resource).

Remove the old belt through compressing the spring-loaded tensioner and also slipping the belt turn off the alternator pulley. If her LeSabre has the engine package that does not require removal the the engine mount, the belt will merely pull the end of the engine compartment, and also you have the right to install the new belt in turning back order. If you have to remove the engine mount, proceed to the next step.

Position the floor jack under the engine with a block of wood between the oil pan and the jack. Climate jack up the engine just sufficient to make an excellent contact and support several of the weight. Eliminate the coolant overflow bottle. Eliminate the bolts attaching the engine mount come the frame, as well as the engine bracket. Climate lift out the motor mount and remove the old belt.

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Install the brand-new belt, referring to the belt routing illustration or business manual, and slip it back onto the alternator while compressing the spring-loaded tensioner. Reinstall the engine mount and also coolant overflow bottle, tightening the bolts securely. Start the engine, and check the the belt is routed properly and also sitting same in the pulley-block grooves.