How do you remove a tensioner pulley on a Pontiac Grand Prix?
The pulley’s bolt is reverse threaded so to the left is tighten and to the right is loosen. After loosening the tensioner pulley’s bolt, it will come off with a large metal washer attached. The 3″ smooth tensioner pulley itself can be removed by gently rocking it while pulling it away from the engine.
When to replace the idler pulley on a Pontiac Grand Prix?
This “how to” automotive repair guide was specifically written to assist owners of the 6th generation (1997, 1998, 1999, 2000, 2001, 2002 & 2003) General Motors Pontiac Grand Prix GTP in replacing a tensioner pulley and idler pulley. Owners of other GM cars with engines similar to the 3800 Series II 3.8L V6 may also find the guide to be useful.
How to remove the supercharger belt on a Pontiac Grand Prix?
The supercharger belt must be removed first on GM 3800 Series II engines equipped with the Eaton M90 Supercharger. If you have a naturally aspirated GM 3800 Series II engine (L36), skip down past the next block of text. To remove the supercharger belt, place the 15mm socket and long handled wrench on the supercharger tensioner pulley.
Can a power steering pump be removed from a Grand Prix?
On Grand Prix models equipped with the 3.8-liter engine, removing the power steering pump will help you access the water pump. This is optional. If you do remove the power steering pump, the bolts must be tightened to 25 foot-pounds of torque when replaced. Use caution when working with engine coolant.
The pulley’s bolt is reverse threaded so to the left is tighten and to the right is loosen. After loosening the tensioner pulley’s bolt, it will come off with a large metal washer attached. The 3″ smooth tensioner pulley itself can be removed by gently rocking it while pulling it away from the engine.
The supercharger belt must be removed first on GM 3800 Series II engines equipped with the Eaton M90 Supercharger. If you have a naturally aspirated GM 3800 Series II engine (L36), skip down past the next block of text. To remove the supercharger belt, place the 15mm socket and long handled wrench on the supercharger tensioner pulley.
What’s the torque on a GM Pontiac Grand Prix?
Torque it down to about 50 Nm or 37 lb ft with a torque wrench. I tightened the bolt snugly and then turned the wrench another 1/8 to 1/4 turn.
Where is the idler pulley on a Pontiac Grand Prix?
The larger 3.5″ smooth supercharger idler pulley is located just above the crank shaft pulley (lowest & largest) and slightly closer to the front of the car. To remove the 3.5″ SC idler pulley, place the 15mm socket and long handled wrench on the pulley’s bolt.
Is there a water leak in my Pontiac Grand Prix?
This automotive how-to guide was specifically written to assist owners of the 6th generation (1997, 1998, 1999, 2000, 2001, 2002 and 2003) GM Pontiac Grand Prix in unclogging and cleaning the air conditioner’s rubber elbow drain pipe which can cause a water leak on the passenger side floorboard.
What kind of fuel injector does a Pontiac Grand Prix use?
The Pontiac Grand Prix mixes fuel and air under pressure with a fuel injector. Carburetors previously performed this function passively but were rendered obsolete by fuel injectors in the late 1980s. A fuel injector’s programmable firmware allows it to handle different fuels.
What are the most common problems with a Pontiac Grand Prix?
One of the most common problems that occur with the Pontiac Grand Prix and other GM vehicles is a burnt out window motor or a broken regulator. The driver’s window gets the most use and is usually the first to fail.
How much does it cost to replace a power window on a Pontiac Grand Prix?
The driver’s window gets the most use and is usually the first to fail. A replacement power window motor and regulator assembly can be purchased online for about $40 to $60. Only a few simple tools and about an hour are needed to replace one.
What kind of supercharger does a Pontiac Grand Prix have?
Pontiac G rand Prix GTP Eaton M90 Supercharger Oil Change Guide The GTP trim level of the Pontiac Grand Prix is equipped with the L67 version of the GM 3800 Series II engine with an Eaton M90 supercharger.
How do you replace a tensioner pulley on an engine?
Unscrew the bolt holding the tensioner pulley in place with a socket wrench. Pull the tensioner away from the engine. Replace the tensioner pulley with a new one. Push the bolt in and tighten it with the socket wrench. Push the tensioner pulley down so the belt can slide over the pulley.
How does a serpentine belt tensioner assembly work?
The Vehicles automatic serpentine belt tensioner assembly consists of a tensioner hub, tensioner arm and tensioner pulley. The pulley rides on the serpentine belt, applying the tension provided by the spring-loaded tensioner arm. Inside the pulley is a bearing ring that allows the pulley to spin freely as the belt moves across the pulley’s surface.
When to replace a tensioner on a belt?
If the bearing is good, the pulley will spin freely, straight and true, without any noise. If that’s not the case, you have a bad bearing and must replace the tensioner. Unfortunately, the end result of any belt tensioner noise is usually tensioner replacement. If you note any of these abnormal signs during your inspection, replace the tensioner.
Where is the tensioner pulley on a Pontiac Grand Prix?
The supercharger tensioner pulley is located near the front of the car right behind a black 3″ grooved idler pulley. Then push the wrench towards the front of the car to relieve the tension on the belt.
When to replace the idler and tensioner pulleys?
Pictures illustrated instructions for replacing the idler and tensioner pulleys in a 1997-2003 GM Pontiac Grand Prix GTP.
Where is the serpentine belt tensioner pulley located?
My car has a very slow leak that requires topping off the fluid every 6 months to prevent the PS from whining. The first pulley I replaced was the serpentine belt tensioner pulley located just below the alternator. To remove the pulley, place the 15mm socket and long handled wrench on the pulley’s bolt.