The 1999 Pontiac type automobiles that got here geared up with the V-6 engines included the Firebird, Bonneville, Grand Am, Grand Prix and the Montana. All the Pontiac type have a serpentine belt that controls the front engine equipment. The serpentine belt is tensioned to every accessory pulley by a automatic belt tensioner. The tensioner retains the correct stress on the belt whereas the engine is working. Replace the belt if it turns into broken or has a variety of cracks on the within.
Pontiac V6 Engine Serpentine Belt Install Instructions
Park the Pontiac in a secure work space and open the hood. Examine the highest of the black plastic cowl that surrounds the fan for the serpentine belt routing diagram. This diagram has the instructions for putting in the brand new serpentine belt across the accent pulleys.
Examine the front of the engine and find the automatic belt tensioner. The tensioner on the 1999 Pontiac type autos is situated between the alternator and the crankshaft pulley. The tensioner has a pulley on one finish with a bolt head within the heart of the pulley. Use the bolt head to rotate the tensioner.
Flip the tensioner counterclockwise with the breaker bar and a metric socket. Pull the belt out from below the tensioner pulley along with your different hand. Then, slowly let the tensioner retract till it stops. Pull the belt out of the opposite remaining pulleys. Then, pull the belt out of the engine bay and lay it on the bottom.
Route the brand new belt across the crankshaft pulley. Then, route the brand new belt across the different remaining pullleys by utilizing the serpentine belt routing diagram for instructions.
Rotate the tensioner pulley counterclockwise with the breaker bar and socket. Then, slide the brand new belt beneath the tensioner pulley. Slowly let the tensioner retract till it stops. The tensioner pulls the entire slack out of the belt and brings the brand new belt to the right pressure. Remove the breaker bar and socket from the tensioner pulley.
Examine the brand new belt to make sure that it’s seated within all of the accessory pulleys as directed by the diagram. Then, crank the engine and permit it to run for about 15 seconds. Flip the engine off. Examine the belt once more as soon as extra to make sure that the belt remains to be round every pulley. Shut the hood.
[taken from ehow.com]