Question about 2008 Mitsubishi Endeavor

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Pulley noise on and off, not sure which pulley. with vehicle running, noticed power steering fluid steadily moving in reservoir. Wondering if Power steering pump could be the culprit.

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  • mpm359 Aug 04, 2015

    Were is belt tensioner located?

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  • Mitsubishi Master
  • 5,440 Answers

Remove belt and spin each pulley to check for smoothness or noise.

Posted on Aug 03, 2015

Testimonial: "were is the belt tensioner located?"

  • David Harrelson
    David Harrelson Aug 04, 2015

    I don't know , but it will be the one attached to nothing but a swing arm usually 4 to 6 inches long, and should have a square hole in it that a tool can fit in, to move it and relieve tension on the belt.

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2 Answers

Hard to steer


Can you describe your problem any further? Such as leaking fluid on the ground near the inside of the passenger side wheel or a whining noise of any sort (especially when turning the wheel). Have you checked the powering steering reservoir to make sure its topped up on steering fluid? Also, is there any difference in how hard the wheel is to turn when the engine is running versus when the engine is off? If you are getting a whine noise when you turn the wheel side to side or fluid is leaking on the ground from any of the lines you will get a major decrease in power assistance. If it feels the same as when the engine is not running you could have a power steering pump that has blown a seal. Usually the main seal goes out around the main shaft that holds the pulley and you could possibly see splatter marks on the pulley itself or around the belt.

Mar 04, 2014 | Pontiac Sunfire Cars & Trucks

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Power Steering Pump Noise


As you turn your steering wheel it is this fluid pressure that aids in turning the wheels of your car. ... If the pump impeller is trying to move power steering fluid and starts catching air bubbles it can cause whining noises and vibrations to occur.
Maybe you've heard it at a stop light. Maybe you've heard it as you pass a car on the freeway. Or maybe you've heard it in the parking lot at work when someone is leaving. The unmistakable whine of a power steering pump can make even the most confident mechanic wonder when that car will breakdown.
Power steering pump noise is a unique noise that your car may make and once you've heard it you always know what it is. The noise is a mix of a whirring and a whining and will always vary with the speed of your engine whether your car is driving or in park. This whining noise can be subtle or extremely loud and may be worse in colder weather, or right when you first start your car.
Power steering pumps are most often vain style centrifugal pumps that are tasked with pressurizing the power steering fluid and pushing it down to your power steering gear or rack. As you turn your steering wheel it is this fluid pressure that aids in turning the wheels of your car.
There are a few reasons why you are hearing power steering pump noise from your car. First, it may simply be due to the design of the pump. Sometimes, noisy power steering pumps can continue to work flawlessly for years after they start making noise. This may simply be due to the manufacture's design or a tight tolerance in that particular pump. In this case, you would hear the noise but not see any other adverse effect like a loss in power steering, leaking fluid or a wobbly pulley. In this case, you may be able to help reduce your power steering pump noise by choosing a different type of power steering fluid, like a synthetic fluid.
Your power steering pump may also be making noises due to air trapped in the system. If the pump impeller is trying to move power steering fluid and starts catching air bubbles it can cause whining noises and vibrations to occur. Even tiny air bubbles you cannot see that are trapping in the power steering fluid may be causing the whining you are hearing. In this case, the best thing to do is flush your power steering system to try and remove the air from the system. Having air trapped in your power steering system can be difficult to diagnose so you may need to simply try a power steering flush to see if it solves your problem.
Power Steering pump noise may also be due to a failing power steering pump. As the bearings on the impeller go bad it will start to make noise as the pump is turning. If you have a bad power steering pump you usually will also experience leaks from around the pulley, a wobbly pulley, or difficulty turning the steering wheel when you are stopped. If you have multiple of these symptoms together, it is probably time to replace your power steering pump.
Lastly, and most usually, a whining power steering pump is an indication of a low fluid level. Your power steering fluid is probably something you have rarely if ever checked, so it often comes as a surprise if the level is low. Your power steering fluid reservoir is also relatively small so even a slow leak will cause a low fluid level relatively quickly. To confirm this is your problem it is as simple as checking your power steering fluid level. Some power steering reservoirs are clear so you can see through them to check how full they are. You may have to wipe away some dirt and grime to find the "full" line, but it should be easy to check. If you have an opaque power steering fluid reservoir there should be a small dipstick under the cap that will help you measure the fluid level. If it is low, then you have a leak somewhere and topping off the fluid should quite down your power steering pump.
If you discover a power steering leak, rather than simply continuing to add fluid every time it gets low, you should fix the problem permanently so you don't have to continue to check your power steering fluid level. Replacing lines or seals can be a surprisingly difficult task due to the location of your power steering pump and steering gear or rack. The easiest way to seal your leak is to do it from the inside out!

try this link out for more power steering problems.
Power steering whining sqreeching Google Search

on Dec 14, 2017 | Cars & Trucks

1 Answer

How do you remove and replace a power steering pump on a 2002 chevy lumina?


YOU FIRST YOU NEED TO REMOVE COOLANT RECOVERY RESERVOIR. YOU NEED TO REMOVE DRIVE BELT.NOW PLACE DRAIN PAN UNDER CAR IN LINE WITH POWER STEERING PUMP.NOW SIPHON OUT MUCH POWER STEERING FLUID OUT RESERVOIR USING A SIPHON.ONCE FLUID REMOVE OUT POWER STEERING PUMP.USE A DEEP 3/8 SOCKET ABOUT 13M OR 14 M YOU NEED A SHORT EXTENSION AND A 3/8 RATCHET WRENCH.TO REMOVE POWER STEERING PUMP.TO LOOSEN BOLTS, TAKE DEEP SOCKET IN PULLEY HOLES . LOOK THROUGH POWER STEERING PULLEY HOLES ALIGN DEEP SOCKET THROUGH THE PULLEY HOLES TO THE PUMP BOLTS. LOOSEN ALL THREE BOLTS. YOU HAVE TO TURN PULLEY THREE TIMES TO REMOVE ALL THE POWER STEERING PUMP BOLTS.ONCE POWER STEERING PUMP BOLTS REMOVED.TAKE OLD POWER STEERING PUMP TO THE MACHINE SHOP.THEY WILL HAVE TO REMOVE PULLEY OFF OLD PUMP AND TRANSFER DRIVE PULLEY TO NEW POWER STEERING PUMP.NOW WHEN YOU INSTALL NEW POWER STEERING PUMP.MAKE SURE TO BUY A NEW O RING FOR THE HIGH PRESSURE HOSE TO POWER STEERING PUMP. WHEN ALL DONE BLEED POWER STEERING PUMP. WITH THE FRONT WHEELS TURNED ALL THE WAY TO THE LEFT AND THE IGNITION KEY OFF, CHECK THE POWER STEERING FLUID LEVEL AND IF LOW ADD FLUID UNTIL IT REACHES THE COLD MARK ON THE DIP STICK.SAFELY RAISE FRONT WHEEL OFF GROUND BY SUPPORTING FRONT OF THE CAR USING JACK STANDS, MAKE SURE CAR SITTING ON SOLID LEVEL GROUND. START THE ENGINE AND ALLOW IT TO RUN AT FAST IDLE.RECHECK THE FLUID LEVEL AND ADD MORE IF NECESSARY TO REACH THE COLD MARK ON THE DIP STICK.BLEED THE SYSTEM BY TURNING THE WHEELS FROM SIDE TO SIDE WITHOUT HITTING A STOPS.THIS WILL WORK THE AIR OUT OF THE SYSTEM. DONT ALLOW THE RESERVOIR TO RUN OUT OF FLUID. WHEN AIR IS WORKED OUT OF THE SYSTEM.RETURN THE WHEELS TO THE STRAIGHT AHEAD POSITION, AND LEAVE THE ENGINE RUNNING FOR SEVERAL MINUTES BEFORE SHUTTING OFF. RECHECK THE FLUID LEVEL.ROAD TEST THE VECHICLE TO BE SURE THE STEERING SYSTEM IS FUNCTIONING NORMALLY WITH NO NOISE.RECHECK THE FLUID LEVEL TO BE SURE ITS UP TO THE HOT MARK ON THE DIP STICK WHILE THE ENGINE IS AT NORMAL OPERATING TEMPERATURE ADD FLUID IF NECESSARY.

Apr 18, 2011 | Chevrolet Chevy Cars & Trucks

1 Answer

Need instructions for power steering pump replacement on a 1992 pontiac trans sport. FAST PLEASE!!! has a 3.8L engine with a/c. thankyou for your help!


-- from the 1990-1999 Lumina / Silhouette / TranSport Repair manual ---

1992 Pontiac TransPort Power Steering Pump REMOVAL AND INSTALLATION

  1. Disconnect the negative battery cable.
  2. Disconnect and cap the power steering pump hoses.
  3. Remove the accessory drive belt.
  4. Remove the power steering pump pulley using a suitable puller tool.
  5. Remove the pump mounting bolts and remove the pump from the vehicle.

See Figures 1, 2 and 3


0900c152801dbcf7.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 1: On some vehicles, you must use a puller to remove the power steering pump pulley


0900c152801dbcf8.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 2: Power steering pump mounting-early model vehicle shown


0900c152801dbcf9.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 3: Power steering pump mounting-late model vehicle shown

  1. Installation is the reverse of the removal procedure. Tighten the pump mounting bolts to 18 ft. lbs. (25 Nm).
  2. Bleed the power steering system to remove trapped air. Air in the system could cause noise and or damage to the pump.

BLEEDING

This procedure requires the help of an assistant.
  1. With the engine OFF, the wheels off the ground and turned all the way to the left, fill the fluid reservoir to the FULL COLD mark on the fluid level indicator.
  2. With an assistant checking the fluid level and condition, bleed the system by turning the wheels from side to side without hitting the stops. You should repeat this at least 20 times, making sure to keep the fluid level at the FULL COLD mark.

Fluid with air in it has a light tan appearance. This air must be eliminated from the fluid before normal steering action can be obtained.
See Figure 4


0900c152801dbcfa.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 4: Power steering bleeding procedure

  1. Start the engine, and while it is idling, recheck the fluid level and add as necessary to reach the FULL COLD mark.
  2. Return the wheels to the center position. Lower the front wheels to the ground and continue running the engine for 2 or 3 minutes.
  3. Road test the vehicle to make sure the steering functions properly and is free of noises.

See Figure 5


0900c152801dbcfb.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Fig. 5: Torque specificatio

Jan 02, 2011 | Pontiac Trans Sport Cars & Trucks

1 Answer

How to replace the power steering pump on a 2001 Pontiac Aztec


Welcome to Fixya

here's the procedure on how to replace water pump of your car

  • 1 Turn the belt tensioner pulley counterclockwise on the 3.4L modeal. Use a breaker bar and a socket to rotate the center bolt on the tensioner pulley. If you have a 3.5L engine model, turn the pulley clockwise.

  • 2 Slide the drive belt off the steering pump pulley.
  • 3 Detach the black ground cable from the battery using a wrench.
  • 4 Position a drain pan under the car in the direction of the steering pump hoses.
  • 5 Move any wire brackets near the steering pump out of the way using a wrench or ratchet and socket, if necessary.
  • 6 Disconnect the return hose from the power steering pump by loosening the clamp at the steering pump using a ratchet and socket. Then pull the hose off the pump and let the steering fluid drain into the pan.
  • 7 Detach the pressure hose from the steering pump by unscrewing the retaining nut at the pump using a tube wrench. Let the steering fluid drain on the pan.
  • 8 Unscrew the steering-pump mounting bolts using a ratchet, ratchet extension and socket.
  • 9 Lift the power steering pump off the engine compartment.
  • Install the New Steering Pump
  • 1 Position the new steering pump in place and start the mounting bolts by hand. Then tighten the bolts using the ratchet, ratchet extension and socket.
  • 2 Attach the pressure hose to the steering pump by starting the retaining nut by hand. Then tighten the nut using the tube wrench.
  • 3 Connect the return hose to the steering pump. Then tighten the clamp using the ratchet and socket.
  • 4 Reinstall any wire brackets you had to remove using a wrench or ratchet and socket.
  • 5 Connect the black ground cable to the battery using a wrench.
  • 6 Install the drive belt by turning the tensioner pulley counterclockwise using the breaker bar and socket. Then slide the belt over the steering pump pulley. If you have the Aztek 3.5L engine, turn the tensioner pulley clockwise.
  • 7 Reinstall any wire brackets you had to remove form near the steering pump using the wrench or ratchet and socket.
  • 8 Connect the black, ground cable to the battery using a wrench.
  • Bleed the Power Steering System
  • 1 Refill the steering fluid reservoir with new steering fluid. Make sure the level reaches the Full Cold mark on the reservoir.
  • 2 Raise the front of the vehicle using a floor jack until the front tires are off the ground. Then support the car on 2 jack stands.
  • 3 Turn the ignition key to the On position but do not start the engine.
  • 4 Turn the steering wheel fully from left to right 15 times.
  • 5 Check the fluid level in the steering reservoir and add if necessary.
  • 6 Lower the vehicle and start the engine. Turn the steering wheel and listen for steering noises. If you hear noises while turning the steering wheel, repeat steps 2 through 5 of the bleeding procedure to get rid of the air in the steering system. Turn off the engine.

  • Thank you for using Fixya!


    If you need further help, reach me via phone at https://www.6ya.com/expert/elixirjose_00375ea24bd8141b

    Dec 06, 2010 | 2001 Pontiac Aztek

    1 Answer

    Purchased a 97 Jeep Grand Cherokee with an empty and leaking power steering pump. I replaced the pressure and return hoses and filled it but it makes a chirping noise when the engine runs cold. The...


    when you but a aftermarket power steering pump the only thing you get is the pump so make sure you take off & keep your pulley & reservoir BUT you can buy the pump with the reservoir but you still need your pulley & dip stick...

    Aug 16, 2010 | Jeep Grand Cherokee Cars & Trucks

    2 Answers

    Need to replace power steering pump. whats the step by step way to remove and reinstall


    Remove the accessory drive belt from the pump
    Remove the pressure hose from the pump
    Remove the return hose from the pump
  • Remove the bolts from the pump.
  • Remove the power steering pump from the vehicle.
  • Remove the power steering pump pulley from the pump
  • Remove the reservoir from the pump



  • e649177.gif
  • Install the pump to the vehicle.
  • Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  • Install the power steering pump bolts.
  • Tighten
    Tighten the power steering pump bolts to 34 N·m (25 lb ft).
    Install the return hose to the pump.
    Then just reverse what you did to remove.
    Once you have it al back together fill the resevoir.
    Do not over fill
  • Start the engine. Rotate steering wheel from left to right. Check for sign of cavitation or fluid aeration (pump noise/whining).
  • Verify the fluid level. Repeat the bleed procedure if necessary
  • Nov 07, 2009 | 1999 Pontiac Montana

    1 Answer

    I need directions for changing the power steering pump


    1. Disconnect battery ground cable, then remove exhaust manifold heat shield.
    2. Disengage power steering pump reservoir hose from pump bracket and engine lifting bracket, then disconnect return hose and reservoir pump hose from pump.
    3. Allow fluid to drain into a suitable container, then raise and support vehicle.
      1. Remove lower belt guard, then rotate drive belt tensioner clockwise as viewed from direction shown, and remove accessory drive belt.
      2. Lower vehicle, then remove traction assist module bolts and position module aside.
      3. Rotate power steering pump pulley to gain access to each pump front mounting bolt, then remove three front bolts and one rear bolt and lift pump from vehicle.
      4. If it is necessary to separate pulley from power steering pump, proceed as follows:
        1. install power steering pump pulley remover T69L-10300-B, or equivalent, on pulley hub.
        2. Clamp hex head of tool in a suitable vise, then hold power steering pump in place while turning tool nut counterclockwise. Do not apply inward or outward force on power steering pump shaft, internal pump damage may result.
        3. Slide pulley from power steering pump shaft.
      1. Reverse procedure to install, noting following:
        1. If pulley and power steering pump were separated, install pulley on pump shaft using power steering pump pulley replacer T91P-3A733-A, or equivalent. Ensure threads on end of tool are fully engaged in power steering pump shaft; after pulley installation, ensure end of shaft is within 0.010 inch of being flush with pulley surface.
        2. When placing pump in vehicle, install rear mounting bolt first, but do not tighten until three front bolts are in position.
          1. Rotate drive belt tensioner clockwise as viewed from direction shown to install accessory drive belt.
          2. Refill power steering fluid reservoir and bleed system.

    Oct 08, 2009 | 1996 Ford Contour

    1 Answer

    Whining Noise


    Hi, this sound is most likely coming from the power steering pump. I would first, check the power steering fluid level to see if it is full. if its not at the full mark, add some fluid. If the fluid reservoir is full upon inspection and the whining continues, the pump may be damaged and the pulley on the power steering pump could be slightly out of sync with the pump housing.

    The second issue could be belt slippage. i would do a tension check on the drive belt and pulleys as well. make sure there isn't any ware and tare on the belt and make sure the tension is to specs.

    Please rate and god bless:)

    Apr 15, 2009 | 1996 Jeep Grand Cherokee

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