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Tighten serpentine belt

Where is the adjustment to tighten serpentine belt

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Which belt there is 2 belts

Posted on Dec 03, 2012


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What bolts do I loosen to tighten the power sterring belt on my 1981 buick reveria

IF you have a serpentine belt it's not a matter of adjusting the power steering belt tension because it's done automatically with a serpentine belt tensioner.
OTOH, if you have a separate V-belt you'll need to loosen the mounting bolt/nut at the bottom of the steering pump and the adjustment bracket then tighten the belt by moving the adjustment nut to tighten the belt.
You might be able to google a video of your particular engine power steering belt adjustment.

Mar 02, 2017 | Buick Riviera Cars & Trucks

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I am trying to hange the serpentine belt on my 09 lancer rallyart and it keeps slipping off

Locate the two belts on the left side (passenger side) of your Mitsubishi Lancer. The outer belt is a serpentine belt, operating four pulleys and the inner belt is your alternator belt.

  • 2 Follow the serpentine (outer) belt to the three pulleys lined up vertically near the front of the engine compartment. Locate the middle pulley, which is the tension pulley for the belt.
  • 3 Loosen the bolt on the middle pulley with a socket wrench by turning counter-clockwise. Do not remove the bolt, just turn it a couple of times. Loosen the tensioner bolt on the side of the of the pulley, facing the front of the vehicle.
  • 4 Remove the serpentine belt and then loosen the bolt on the alternator. With the alternator loose, move it forward so that the alternator belt loosens up and then remove belt from the pulleys.
  • 5 Install the new alternator belt by placing it over both inside pulleys. Tighten the tension on the alternator belt by moving the alternator back and keeping tension on it by holding it back with a long screwdriver. While the alternator belt is tight, use a socket wrench to tighten up the bolt on the alternator.
  • 6 Place the serpentine belt back on the pulleys and then use a socket wrench on the bolt on the front of the tension pulley. Once the serpentine belt is tight, tighten up the bolt in the middle of the tension pulley.
  • 7 Start the Mitsubishi Lancer's engine to test the alternator belt and make sure it is working properly. Once you have verified it is working, turn the engine off.
  • Oct 25, 2011 | 2008 Mitsubishi Lancer GTS CVT Sedan

    1 Answer

    I have a 1990 supreme cutlass and i don't know how to change the serpentine belt. What do I do?

    2.8L and 3.1L Air Pump Belt

    1. Disconnect the negative battery cable.
    2. Loosen the air pump.
    3. Remove the worn belt.

    To install:
    1. Adjust the belt to specifications and tighten the pump mounting bolts.
    2. Connect the negative battery cable.

    2.3L Power Steering Belt
    1. Disconnect the negative battery cable.
    2. Loosen the adjustment bolts.
    3. Remove the power steering belt from the pulley.

    To install:
    1. Route the belt around the pulley.
    2. Adjust the belt to specifications, then tighten the adjustment bolts.
    3. Connect the negative battery cable.

    See Figures 6 through 15


    Fig. Fig. 6: Unfasten the retaining bolts...


    Fig. Fig. 7: ... then remove the serpentine belt guard


    Fig. Fig. 8: ...


    Fig. Fig. 9: ... then remove the serpentine belt

    1. Remove the belt. Clean the accessory drive belt surfaces.


    Fig. Fig. 10: Serpentine drive belt routing-2.2L engine


    Fig. Fig. 11: Removal and installation of the serpentine belt-2.3L engine


    Fig. Fig. 12: Serpentine belt routing-2.5L engine with and without A/C


    Fig. Fig. 13: Use an 18mm box end wrench on the pulley nut to rotate the tensioner on the 3.8L engine


    Fig. Fig. 14: in. breaker bar to rotate the tensioner


    Fig. Fig. 15: On the 3.4L, use a box end wrench, then rotate the tensioner clockwise and remove the serpentine belt

    Remove the belt guard or coolant recovery reservoir as required.

    Dec 31, 2010 | 1994 Oldsmobile Cutlass Supreme

    1 Answer

    How to adjust alternator belt

    If it's a v-belt vs. a serpentine belt, then look for a pivoting pulley accessory or idler pulley that can be loosened and tightened as far as the belt is concerned.

    Many modern vehicles use a serpentine belt that has a tensioner that has a spring that tightens the belt automatically to the right tension and is released using a 1/2" breaker bar or equivalent.

    Good luck on this repair.

    Dec 17, 2010 | 1997 Nissan Pickup

    2 Answers

    I would like to get a belt diagram for a 1988 pontiac firebird trans am

    ADJUSTING V-Belts Fig. 1: A gauge is recommended, but the belt deflection may be checked using light thumb pressure 85341063.gif
    Fig. 2: Loosening alternator pivot/adjustment bolt in order to tighten the belt 85341094.jpg Fig. 3: Apply tension to the belt being careful not to damage the case. While holding accessory in this position, tighten the pivot bolt. 85341095.jpg Fig. 4: Using a 1?2 in. ratchet, apply tension to the air conditioning belt while tightening the pivot bolt 85341096.jpg Belts are normally adjusted by loosening the bolts of the accessory being driven and moving that accessory on its pivot points until the proper tension is applied to the belt. The accessory is held in this position while the bolts are tightened. To determine proper belt tension, you can purchase a belt tension gauge or simply use the deflection method. To determine deflection, press inward on the belt at the mid-point of its longest straight run. The belt should deflect (move inward) 3?8 - 1?2 in. (10-13mm). A general rule for alternator belt tension is that the pulley should not be capable of being turned with hand pressure. Serpentine Belt On most newer vehicles, a single belt is used to drive all of the engine accessories formerly driven by multiple V-belts. The single belt is referred to as a serpentine belt. All the belt driven accessories are rigidly mounted with belt tension maintained by a spring loaded tensioner. Because of the belt tensioner, no adjustment is necessary. REMOVAL & INSTALLATION V-Belt Fig. 1: Loosen the component mounting and adjusting bolts slightly 85341064.gif
    Fig. 2: Remove the belt by pushing the component toward the engine 85341065.gif
    Fig. 3: Remove the drive belt 85341066.gif
    Fig. 4: To tighten the belt, pull the component away from the engine and tighten the mounting bolts to specifications 85341067.gif
    To remove a V-style drive belt, simply loosen the accessory being driven and move it on its pivot point to free the belt. Then, remove the belt. It is important to note that on engines with many driven accessories, several or all of the belts may have to be removed to get at the one to be replaced. Serpentine Belt Fig. 5: Serpentine belt tensioner - V6 engine 85341068.gif
    Fig. 6: Serpentine belt tensioner - V8 engine 85341069.gif
    A belt tensioner is used on these models, to maintain proper belt tension. To relieve belt tension, rotate the belt tensioner (using a 15mm socket) to relieve pressure on the belt. With tension relieved, the belt may then be removed from the engine. It is important to note the belt location at each pulley, to assure correct installation, and proper operation of the engine cooling system. A diagram may be helpful in denoting belt positioning. NOTE: Take care not to bend the tensioner when applying torque. Damage to the tensioner will occur. Maximum torque to load belt should not exceed 30 ft. lbs. (41 Nm). prev.gif next.gif

    Oct 14, 2010 | Pontiac Firebird Cars & Trucks

    1 Answer

    How do you tighten the serpentine belt?

    if your car has a serpentine belt,which is 1 belt that controls everything,then there is no adjustment.if your belt is loose,then you will need to replace your belt tensioner in order for your belt to tighten.another reason could be that it is time to replace your serpentine belt.hope this info helps.take care and good luck, manny

    Apr 04, 2010 | 2004 Toyota Sienna

    1 Answer


    MORE INFORMATION NEEDED. There are several deices to adjust belts. On serpentine belts there is a tensioner pulley that should hold spring applied pressure on the belt. If that doesn't work it needs to be replaced. On some engines it is tightened by adjusting an idler pulley. On some it is accomplished by adjusting the alternator or power steering pump. Look to see which part has an adjustment and loosen the nut or bolt holding it, move the part to the desired tension and tighten the nut or bolt.

    Dec 15, 2009 | Cars & Trucks

    1 Answer

    Need diagram for serpentine belt

    2004 SUZUKI FORENZA - L4 2.0L 2000cc GAS FI N


    The belt is automatically adjusted by the auto tensioner.

    Drive Belt Routings


    Fig. Accessory drive belt routing-2.0L engine

    Removal & Installation
    1. Remove the air filter housing assembly bolts and the air intake tube.
    2. Remove the air filter housing assembly from the vehicle.
    3. Use a wrench to turn the tensioner bolt clockwise, compressing the tensioner, and releasing the tension on the serpentine accessory drive belt.
    4. Remove the serpentine accessory drive belt.
    To install:
    1. Use a wrench to turn the tensioner bolt clockwise, compressing the tensioner, and releasing the tension on the serpentine accessory drive belt.
    2. With the wrench in place on the tensioner bolt, loop the serpentine accessory drive belt loosely over the pulleys.
    3. Slip the belt over the tensioner.
    4. Remove the wrench from the tensioner bolt and the belt will tighten itself.
    5. Install the air filter housing assembly into the vehicle.
    6. Install the air intake tube and the air filter housing assembly bolts.
    7. Tighten the air filter housing assembly bolts to 53 inch lbs. and nm
    I really hope helped with this. remember rated this help. Good luck.

    Nov 12, 2009 | 2004 Suzuki Forenza

    1 Answer

    Replace serpentine belt for 6 cylinder 4wd

    Loosen the power steering pump rear mounting bolts, pivot bolt and lock nut and then loosen the power steering pump adjusting bolt. Slip the belt on and tighten the adjusting bolt until you can push the belt in about one inch midway between the A/C and alternator pulleys. Then tighten the lock nut, pivot bolt and mounting bolts and that's it.

    It helps to diagrams to go with the instructions. Get yourself factory service manual, has them for around 20$ or so.

    Sep 23, 2009 | Jeep Cherokee Cars & Trucks

    1 Answer

    How to tighten serpentine belt

    if the belt is loose you might have the wrong belt installed on, or the serpentine belt tensioner must to be replaced, they adjust automatic, with spring loaded belt tensioner
    and i will apreciate the ranking to my answer thanx

    Jun 15, 2008 | 2002 Ford Windstar Cargo

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