Question about Pontiac Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: belt tensioner
It is a very involved process of removing and replacing. You will have
to remove all of the belts, the front timing belt covers, (upper and
lower). You will also have to remove the front bracket that is mounted
to the front of the block, which serves as the mount for the power
steering pump, the alternator and the A/C compressor.You will also have
to remove the crankshaft pulley. You cannot remove the plastic lower
timing belt cover unless you remove all of these things first. The tensioner is located underneath the lower cover along side the timing belt on the passenger side. It has two bolts that
hold it in place. You will have to remove these two bolts.
The crankshaft pulling bolt is a right handed thread and loosens by turning counter clockwise. The pulley will slip off but is a very tight fit. Do not try to turn it while removing it as there is a small pin that keeps it aligned to one position. Use a small ball pine hammer to tap it loose.
It is also a good idea to remove the electric cooling fan shroud that is mounted to the inside side of the radiator and the radiator hoses to give yourself more room to work. It has only two bolts at the top holding it in place. And then slips into two retaining clips at the bottom. Lifting it will pull it out of these retaining clips.
When you remove the small bypass hose located at the top of the radiator , to the passenger side, be careful not to break off the small nipple protruding out of the radiator tank. It is plastic and will break easily if you try to pull the rubber bypass hose from it. This will have to be taken to a radiator shop to have repaired if you accidentally break this off. Be sure to carefully loosen the hose from this nipple before trying to pull it off.
And one more thing, if you go to that much trouble to replace the tensioner, it is a good idea to go ahead and replace the timing belt as well. It is a maintenance item and you will have to go through the same process to replace it as well. Do it once and do it right.
I hope this helps.
Posted on Nov 15, 2008
try autozone.com to see if they have your car listed for diagrams pictures and step by step instructions if your car is not listed then try your local library they have all the car manuals and even copy them for you
Posted on Mar 20, 2009
Basically, Remove the belt. Then remove the bolt that the tensioner pivots on and remove it. It's fairly easy.You may need to remove the belt pulley to make it easier.
The problem comes as your trying to get to it. If you can't see it well or something is in the way. Like the plastic overflow tank or something like that. Then you will need to remove what is keeping you from getting to the tensioner. I did one on a four cylinder last week. The belt pulley on that one had a left hand thread. The tensioner itself should be right hand thread.
Posted on Apr 04, 2009
Posted on Sep 08, 2009
The label that has the diagram is located either under the hood with the engine emissions info sticker, or on the front crossmember of the engine bay. If the sticker is missing, this page has all the diagrams to every serpentine belt they sell. The link to the diagram will be on the left; look for it because it doesn't appear as a link.
Hope this helps,
Posted on Sep 18, 2009
Tips for a great answer:
Jan 11, 2015 | 2004 Pontiac Grand Prix
Sep 04, 2011 | 2004 Pontiac Grand Prix
May 27, 2011 | 1999 Pontiac Grand Prix
Park the Pontiac in a safe work area and open the hood.
Inspect the top of the black plastic cover that surrounds the fan for the serpentine belt routing diagram. This diagram has the instructions for installing the new serpentine belt around the accessory pulleys.
Inspect the front of the engine and locate the automatic belt tensioner. The tensioner on the 1999 Pontiac model vehicles is located between the alternator and the crankshaft pulley. The tensioner has a pulley on one end with a bolt head in the center of the pulley. Use the bolt head to rotate the tensioner.
Turn the tensioner counterclockwise with the breaker bar and a metric socket. Pull the belt out from under the tensioner pulley with your other hand. Then, slowly let the tensioner retract until it stops.
Pull the belt out of the other remaining pulleys. Then, pull the belt out of the engine bay and lay it on the ground.
Route the new belt around the crankshaft pulley. Then, route the new belt around the other remaining pullleys by using the serpentine belt routing diagram for instructions.
Rotate the tensioner pulley counterclockwise with the breaker bar and socket. Then, slide the new belt under the tensioner pulley. Slowly let the tensioner retract until it stops. The tensioner pulls all of the slack out of the belt and brings the new belt to the proper tension. Remove the breaker bar and socket from the tensioner pulley.
Inspect the new belt to ensure that it is seated inside of all the accessory pulleys as directed by the diagram. Then, crank the engine and allow it to run for about 15 seconds. Turn the engine off. Inspect the belt again once more to ensure that
the belt is still around each pulley. Close the hood.
May 22, 2011 | 1999 Pontiac Grand Prix
Jul 16, 2010 | 1999 Pontiac Grand Am GT
Jan 26, 2010 | 1995 Pontiac Grand Am
Dec 12, 2009 | 2004 Pontiac Grand Prix
Oct 23, 2009 | 1997 Pontiac Grand Am
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