Question about 2002 Pontiac Grand Prix

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On a 2002 Grand Prix, have a serpentine belt and idler pulley issue. The power steering light did come on a while ago, filled reservoir, but have had some turning noise with it. The engine just had a screeching noise by the idler pulley or alternator now. The idler pulley was shaking some and the belt was tracking to the inside of the idler pulley, then slid off against the bracket and began to rub and smoke. A washer on the exterior of the idler looks offset from center.

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  • arnies4pc Feb 02, 2010

    Additional notes on original issue. Removed the tension on the belt by a metric open end wrench on the idler. The idler pulley had a wobble when running and this due bearings definitely worn out. Removed the alternator at this point to get a better view of the idler section. Have seen individual pulleys available for some models, but thinking not able to remove from the rest of the bracket that also has termination of two heater hoses.

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  • Pontiac Master
  • 451 Answers

Serpentione belt sounds as if it is stretched. first try to reseat serpentine belt. if still a problem then go buy new belt at autozone. also buy some belt dressing. this should fix the problem. if this doesnt solve then you need to buy a new idler arm. relatively easy fix.

Posted on Feb 01, 2010

  • squeely Feb 02, 2010

    there should be only one bolt holding tensioner pulley on. you may need a breaker bar to loosen. place breaker bar into the tensioner notch and loosen. you may also have to detach the coolant reservoir to access the tensioner retaining bolt.

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Power steering fluid leaking on 2002 pontiac grand prix


OK you know the problem but is it something as simple as replacing the Power steering hose or as complicated as also needing a new power steering pump also? Look at where its leaking to determine what needs replacing. Remember it just takes a little time to determine where its leaking. If you find that its not the hose leaking but its the power steering pump then follow these easy steps and save $100s doing it yourself:
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3 Replace the power steering pulley assembly before you install the pump using the pulley-install tool from your kit. Start the power steering inlet hose connection to the pump by hand. Replace the power steering pump assembly to the engine. Replace the lower bolt first, making sure the hose and heater pipe have enough clearance so they do not touch. If the two rub together they will make noise after the installation is finished. Replace the outlet hose to the pump, directing the hose under the engine harness and the heater hose. If the engine is supercharged it will be necessary to connect the hose from the reservoir.
4 Torque the power steering gear inlet hose to 20 foot-pounds and the hose clamp at the pump to 15 inch-pounds. Torque the pump mounting bolts to 20 foot-pounds. If equipped with a TFE pump, attach the connection. Replace the power steering drive belt or serpentine belt if you removed either. Replace the upper strut tie bar and torque the nuts to 18 foot-pounds. Replace the negative battery cable and fill the power steering reservoir with fluid. Bleed the steering system by starting the engine and turning the steering wheel right and left until all the air is out.

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2005 dodge caravan 3.3 serpentine belt shreds due to misalignment serpentine drive belt rides to inside of idler pulley with acceleration Added by ROSETJG 20 hours ago is there a double lipped pulley that...


Unless something has bent this should not be an issue. The only other time I have run into something like this is when the tension is not correct on the belt. If that doesn't have the spring loaded tension pulley you will find an adjustment on the alternator bracket. If it does have a spring loaded system then you need to replace that spring in the tension arm.

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Where is the power steering dipstick


Most power steering pumps are driven by the serpentine belt and should be in plain view when the hood is open.The following shows how to remove and replace the power steering pump and might give you a clue if not in plain sight. My dad's 1998 Ford Taurus has it nearly on top, but they could have changed things in the mean time: Power Steering Pump Removal & Installation Power Steering Pump (2V) To Remove:
  1. Before servicing the vehicle refer to the precautions at the beginning of this section.
  2. Disconnect the battery ground cable.
  3. Remove the accessory drive belt.
  4. Remove the alternator.
  5. Drain and remove the radiator coolant recovery reservoir.
  6. Position a drain pan under the power steering pump underneath the vehicle. Disconnect the hydraulic pressure and return lines and allow to drain.
  7. Remove the idler pulley from the power steering pump support.
  8. Remove the belt tensioner.
  9. Remove the bracket mounting bolt located under the belt tensioner mounting.
  10. Remove two retaining nuts from the bracket mounting studs. Remove both mounting studs, and pull off the power steering pump support with the pump attached.
  11. Clamp the pump support bracket in a suitable vise.
  12. Remove the power steering pump pulley from the pump shaft using Pump Pulley Remover T69L-10300-B, or equivalent. Remove the three bolts retaining the power steering pump to the power steering pump support and remove the power steering pump.
To Install:
NOTE: The pulley must be installed within 0.010 in (0.25 mm) flush with the power steering pump shaft.
Power steering pump special tools ford-08-00-401.gif

  1. Install the power steering pump to the power steering pump support. Tighten the mounting bolts to 18 ft-lb. (25 Nm).
  2. Install the power steering pump pulley using Steering Pump Pulley Replacer T65P-3A733-C, or equivalent; the pulley face must be flush within 0.010 inch (0.25mm) of the pump shaft.
  3. Install the power steering pump/pump support and torque nuts/bolt to 24 ft. lbs. (33 Nm).
  4. Install the bracket mounting bolt located under the belt tensioner mounting.
  5. Install the belt tensioner.
  6. Install the idler pulley to the power steering pump support.
  7. Connect the hydraulic pressure and return lines.
  8. Install the radiator coolant recovery reservoir.
  9. Install the alternator.
  10. Install the accessory drive belt.
  11. Fill the power steering reservoir with power steering fluid.
  12. Connect the battery ground cable.
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  2. Disconnect the battery ground cable.
  3. Remove the accessory drive belt.
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  6. Install the accessory drive belt.
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  9. Start the engine and check for leaks and proper operation. Bleed the power steering system if needed.
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Hope this helps ya.. Cobra... :-)
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Look for a black lid with a yellow steering wheel on top!
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