Question about 1996 Saab 900

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How do you loosen the serpentine belt

The bearings in the idler pulley ceased on my 1996 saab 900s. i bought a new idler pulley and installed it but im having a problem getting the belt back on. how do i loosen the serpentine belt enough to get it back on then tighten it back up enough so it wont fall off

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Remove air filter box completely. loosen o/s/f wheel. jack up the car, and secure. remove wheel. remove plastic shield to expose the cranckshaft pulley.check routing of the belt for replacement. on top of the tensioner there is a square, about 1/2 inch, place a bar in the square and gently push the bar towards the front of the car to release the tension, and remove the belt. change any defective pulleys. refit the belt leaving the top pulley till last.take up the tension of the tensioner, and then fit the remaining belt. make sure the belt is sitting right in it's grooves, and crank the engine first to make sure it is fitted ok. refit air box, plastic shield and wheel.

Posted on Mar 08, 2009

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That wasn't right though. There is a 1/2 slot for a 1/2 inch breaker bar and when two holes are lined up you stick a drill bit or similar peice through to lock it in place till you get the belt routed then pull back alittle bit on the breaker bar to remove tension from the drill bit . Remove the drill bit and release tension on breaker bar and remove it to put tension on the belt.Then check alignment , positioning, routing of the belt visually.

Posted on Feb 14, 2009

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You Have To loosen The Alternator Then Put The Belt Back On And Then On Install Use A Crow Bar To Hold It Tight When Your Putting It Back On. Do Not Over Tighten. Should Be 1/2 inch of play

Posted on Jan 22, 2009

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1 Answer

Diagram of Route for drive belt


http://www.neobrothers.co.uk/idler-pulley-grooved-alternative-saab-ng900-p-1674.html?osCsid=d79a4930a941d92e878a93633c1b9eed

Feb 15, 2014 | 1997 Saab 900

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When i first start my car theres a high pitched whining/whirring noise on saab 900s, what is that? starter problem or a belt or pulley?


The accessory belt idler pulley bearing is on the way out. Get it replaced. You will not be able to drive the car if it fails, since that belt drives the power steering, water pump, and the alternator.

May 15, 2012 | 1996 Saab 900

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Belt keeps coming off,already replaced everything,added guards,nothing works,any sugestions?


My van is doing the same thing I installed the new bracket and it did it again tonight, thats less the 24 hours...

Feb 15, 2010 | 1998 Dodge Caravan

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How do I release the tension in the serpentine belt?


there is an 8mm bolt right under the alternator. loosen that up then loosen the bolt on the idler pulley and itll come right off

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How to reattach serpentine belt on 1999 saab 9-3


The Saab accessory drive (serpentine) belt is self-tensioning by means of a tensioning pulley. Excessive play means that the current belt is spent and must be replaced. It is a very good idea to replace the idler pulley above the tensioner pulley at this time as the bearings fail over time. You can get an aftermarket pulley of machined billet aluminum construction with a repalceable bearing race from Wazee Pulleys. This pulley is superior to the stock one in just about every conceivable way.
To remove the belt you will need a 1/2 inch socket extension bar that will fit exactly in the top of the tensioning pulley housing and a six mm allen key which you will use to lock the tensioner assembly into this position relaxing the belt. This site shows the proper routing of the stock belt and the routing procedure to bypass the highly failure prone center idler pulley if your car has that (yours should not), as well as the procedure to remove and fit a new belt. Note, the belts shown on this site are for the short-belt modification only. See also, this site for additional information. Another diagram is here with part numbers for the pulleys and the belt.
To remove the belt, you will find it best to remove the airbox to allow you more room at the top end to work. Also, jack up the car and remove the passenger wheel to give you access down below.

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Serpentine belt installation


You think you have loosened it as far as it will go.. look on back of the P/S pump.. theres a lil 13 mm bolt back there almost hidden .. lemmie know

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1 Answer

Where is the tension pulley on a 1997 saab 900s


You mean the serpentine belt . Do you ? If thats what you mean, the tensioner is a component that has a bolt at the middle which when lossened with a wrench will lossen the tension on the serpentine belt it has a spring and can be moved . if it was a seperate belt it woud have a bolt and a brace with a U shaped hole in the middle. You would lossen the bolt and pull on the belt and it lossens up.

Feb 06, 2009 | 1997 Saab 900

1 Answer

1996 Grand AM 3.1L serpentine belt replacement


Try this procedure.
0900823d8004ed44.jpg


To replace a worn belt, locate the idler or generator pulley.

0900823d8004ed45.jpg


Loosen the hold-down fastener for the idler or generator pulley.

0900823d8004ed46.jpg


Pry the idler or generator pulley inward to release the belt tension and remove the belt.

0900823d8004ed47.jpg


Match the old belt up for size with the new replacement belt.

0900823d8004ed48.jpg


Observe the belt routing diagram in the engine compartment.

0900823d8004ed49.jpg


Install the new belt over each of the drive pulleys. Often the manufacturer recommends a sequence for feeding the belt around the pulleys.

0900823d8004ed4a.jpg

Art courtesy of Delmar - Thomson Learning.
Pry out the idler or generator pulley to put tension on the belt.
Pry out the idler or generator pulley to put tension on the belt.

0900823d8004ed74.jpg


Install the belt squarely in the grooves of each pulley.

0900823d8004ed75.jpg


Before adjusting belt tension, check for proper pulley alignment. This is especially critical with serpentine belts. Measure the belt deflection in its longest span. If a belt tension gauge is available, use it and compare the tension to specifications.
If a belt is too tight, wear to bearings for the water pump, alternator, and engine crankshaft can result.
Some late-model Chrysler engines require a torque reading to be taken when tension is applied to the generator drive belt. This is especially important on the longer, multiribbed V-belts.

0900823d8004ed76.jpg


Pry the idler or generator pulley to adjust the belt to specifications.

0900823d8004ed77.jpg


Tighten the idler or generator pulley fastener.

0900823d8004ed78.jpg


Start the engine and check the belt for proper operation.

Any more questions please ask. Good luck.

Jan 24, 2009 | 1996 Pontiac Grand Am

1 Answer

How do I change the serpentine belt on a 97 saab 900s


The Saab accessory drive (serpentine) belt is self-tensioning by means of a tensioning pulley. Excessive play means that the current belt is spent and must be replaced. It is a very good idea to replace the idler pulley above the tensioner pulley at this time as the bearings fail over time. You can get an aftermarket pulley of machined billet aluminum construction with a repalceable bearing race from Wazee Pulleys. This pulley is superior to the stock one in just about every conceivable way.
To remove the belt you will need a 1/2 inch socket extension bar that will fit exactly in the top of the tensioning pulley housing and a six mm allen key. This site shows the proper routing of the stock belt and the routing procedure to bypass the highly failure prone center idler pulley if you so elect, as well as the procedure to remove and fit a new belt. Note, the belts shown on this site are for the short-belt modification only. The stock replacement belt is Part Code: 4904728 Brand:
Description: Serpentine belt for any 94-98 NG 900 4cyl. Price: $35.90 at Eeuroparts.com.
To remove the belt, you will find it best to remove the airbox to allow you more room at the top end to work. Also, jack up the car and remove the passenger wheel to give you access down below.

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2 Answers

My fan belt is loose on my 97 saab


The Saab accessory drive belt is self-tensioning by means of a tensioning pulley. The excessive play means that your current belt is spent and must be replaced. It is a very good idea to replace this pulley at this time as the bearings fail over time. You can get an aftermarket pulley of machined billet aluminum construction with a repalceable bearing race from Wazee Pulleys. This pulley is superior to the stock one in just about every conceivable way. You will need a 1/2 inch socket extension bar that will fit exactly in the top of the tensioning pulley housing and a six mm allen key. This site shows the proper routing of the stock belt and the routing procedure to bypass the highly failure prone center idler pulley if you so elect, as well as the procedure to remove and fit a new belt. Note, the belts shown on this site are for the short-belt modification only. The stock replacement belt is Part Code: 4904728 Brand: sm_bb8ca689-80fc-49cb-b9fd-7280758bc3c4.gif
Description: Serpentine belt for any 94-98 NG 900 4cyl.


Price: $35.90 at Eeuroparts.com.

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