Question about 2003 Mitsubishi Lancer

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How to loosen alternator tension on a 2003 Lancer

I have a 2003 Mitsubishi Lancer 2.0L and the alternator belt snapped. I have successfully removed the serpentine belt but im not sure how to loosen the tension on the alternator to install the new alternator belt.

Please help!
I diagram or an accurate description of which bolts to loosen would be ideal
Thank you!

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I have not seen this vehicle but, the center bolt or nut that holds the tensioner to the block is backed off two turns first.
Then the adustment bolt (most are accesed from under the vehicle) can be adjusted to give enough slack to install the new belt.
If this is still too tight, remove one of the two or two of the three bolts that mount the Alternator to allow for another 1/8" and install the belt.
Then remount the Alternator.
Then readjust the tension bolt.
Finish with the bolt or nut that mounts the tensionor to the block.
good luck.

Posted on Jun 28, 2009

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How to replace the power steering belt on a 4g13



ADJUSTMENT

Excessive belt tension will cause damage to the alternator and water pump pulley bearings, while, on the other hand, loose belt tension will produce slip and premature wear on the belt. Therefore, be sure to adjust the belt tension to the proper level.
To adjust the tension on a drive belt, loosen the adjusting bolt or fixing bolt locknut on the alternator, alternator bracket or tension pulley. Then move the alternator or turn the adjusting bolt to adjust belt tension. Once the desired value is reached, secure the bolt or locknut and recheck tension.


REMOVAL & INSTALLATION

1.5L, 1.6L, 1.8L, 2.0L and 2.4L Engines


0900c15280037bf7.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Accessory V-belt routing-Mitsubishi 1.5L, 1.6L, 1.8L, 2.0L and 2.4L engines
Alternator Belt


0900c15280037bf8.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Loosen the adjuster lock bolt . . .


0900c15280037bf9.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. . . . then remove the alternator belt from the engine

  1. Loosen the alternator support nut.
  2. Loosen the adjuster lock bolt.
  3. Rotate the adjuster bolt counter clockwise to release the tension on the belt.
  4. Remove the belt.

To install:
  1. Install the belt on the pulleys.
  2. Rotate the adjuster bolt clockwise until the proper tension is reached.
  3. Tighten the adjuster lock bolt and the alternator support nut.

POWER STEERING BELT


0900c15280037bfa.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. After the adjusting and fixed bolts are loosened, rotate the pump . . .


0900c15280037bfb.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. . . . then remove the power steering belt from the engine

  1. Remove the alternator belt as described above.
  2. Loosen the power steering pump adjusting bolts.
  3. Remove the power steering pump fixed bolt on the rear of the bracket.
  4. Rotate the pump toward the engine and remove the belt.

To install:
  1. Install the belt on the pulleys.
  2. Rotate the pump until the proper tension is reached.
  3. Tighten the adjusting bolts on the pump.
  4. Tighten the fixed bolt on the rear of the bracket.
  5. Install the alternator belt.

A/C COMPRESSOR BELT
  1. Loosen the tension pulley and remove the belt.
  2. The installation is the reverse of the removal.

3.0L DOHC, 3.0L SOHC Galant, and 3.5L Engines


0900c15280037bfc.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Serpentine belt routing-Mitsubishi 3.0L engines (except 1998-00 Galant models)


0900c15280037bfd.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Accessory V-belt routing-Mitsubishi 3.5L and 1998-00 3.0L SOHC Galant engines
ALTERNATOR AND A/C COMPRESSOR

  1. Disconnect the negative battery cable.


CAUTION Wait at least 90 seconds after the negative battery cable is disconnected to prevent possible deployment of the air bag.
  1. Raise and safely support the vehicle and remove the front undercover.
  2. Loosen the tension pulley fixing nut and relieve the tension on the belt by turning the adjusting bolt.
  3. Remove the belt.

To install:
  1. Install the belt on the crankshaft and alternator pulleys.
  2. Using the adjusting bolt on the tensioner, tighten the belt to the desired tension.
  3. Tighten the fixing nut to hold the adjustment.
  4. Install the undercover and lower the vehicle to the floor.
  5. Connect the negative battery cable.

POWER STEERING BELT
  1. Disconnect the negative battery cable.


CAUTION Wait at least 90 seconds after the negative battery cable is disconnected to prevent possible deployment of the air bag.
  1. Raise and safely support the vehicle and remove the undercover.
  2. Remove the alternator and A/C compressor belt.
  3. Lower the vehicle and remove the cruise control pump link assembly.
  4. Place the power steering hose under the oil reservoir.
  5. Loosen the tension pulley fixing bolts and remove the power steering pump drive belt.

To install:
  1. Install the power steering pump drive belt.
  2. Insert an extension bar or equivalent into the opening at the end of the tension pulley bracket and pivot the pulley to apply tension to the belt.
  3. Tighten the fixing bolts.
  4. Raise the vehicle and install the alternator and A/C compressor belt.
  5. Install the undercover and lower the vehicle.
  6. Connect the negative battery cable.

3.0L SOHC Diamante
  1. Disconnect the negative battery cable.
  2. Loosen the lockbolt on the face of the A/C tensioner pulley.
  3. Turn the adjusting bolt of the A/C tensioner pulley to loosen the tension of the A/C belt.
  4. Remove the A/C compressor belt.
  5. Loosen the locknut on the face of the power steering/alternator tensioner pulley.
  6. Turn the adjusting bolt of the tensioner pulley to loosen the tension of the belt.
  7. Remove the power steering/alternator belt.

To install:
  1. Install the power steering/alternator belt first and then the A/C compressor drive belt.
  2. Adjust the belts to the proper tension by turning the adjusting bolts and tighten pulley fixing nut/bolt.
  3. Tighten the mounting nut of the power steering/alternator tensioner pulley to 36 ft. lbs. (50 Nm).

Mar 21, 2013 | 1996 Mitsubishi Mirage

2 Answers

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 just put the alternator belt on my 02 Lancer and was smart enough to get the tightening sequence wrong and broke the long tensioner bolt... I was lucky to get it tight first but how do I find that bolt.


    To work on the alternator belt first, take off the negative battery cable so you do not blow an expensive fuse on the positive battery cable clamp or a block fuse under the hood . Facing the back of the car , reach UNDER the alternator and loosen the bolt on the bottom right side, now loosen the bolt on the adjuster block on top, you can now turn the adjuster bolt and move the alternator to change the belt. Mitsubishi has used the same bolt on almost every alternator since day one. It should be available at any salvage yard with a Mitsubishi car from 1979 on and is probably in stock at any Mitsubishi dealer for just a couple of dollars.

    Apr 13, 2011 | 2002 Mitsubishi Lancer

    1 Answer

    Replace alternator belt


  • 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 08, 2010 | 2002 Mitsubishi Lancer

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    • 3.0 SOHC.
    • TURN OFF RADIO.
    • THEN DISCONNECT BATTERY NEGATIVE CABLE.
    • REMOVE AIR CLEANER ASSEMBLY.
    • LOOSEN THE TENSIONER PULLEY.
    • REMOVE ALTERNATOR DRIVE BELT .
    • REMOVE ACCELERATOR CABLE.
    • REMOVE BRAKE BOOSTER VACUUM HOSE.
    • REMOVE EGR VALVE.
    • REMOVE ALTERNATOR ELECTRICAL CONNECTORS.
    • THEN REMOVE MOUNTING BOLTS THEN REMOVE ALTERNATOR.



    • THE 3.0 DOHC
    • DISCONNECT NEGATIVE BATTERY CABLE.
    • REMOVE SURGE TANK.
    • REMOVE AIR DELIVERY HOSES TO GAIN ACCESS TO THE ALTERNATOR.
    • IF YOU HAVE AIR CONDITIONER, REMOVE THE CLAMP.
    • RAISE THE SUCTION HOSE.
    • USE SOMETHING TO HOLD IT OUT OF THE WAY.
    • LOOSEN TENSIONER PULLEY AND REMOVE THE ALTERNATOR DRIVE BELT.
    • DISCONNECT THE OXYGEN SENSOR CONNECTOR.
    • DISCONNECT THE ALTERNATOR ELECTRICAL CONNECTORS.
    • REMOVE ALTERNATOR BRACKETS AND MOUNTING BOLTS REMOVE THE BRACKET AND ALTERNATOR AS A ASSEMBLY.
    • SEPARATE THEM ON A WORK TABLE.

    Aug 18, 2010 | Mitsubishi Lancer Cars & Trucks

    1 Answer

    How do i change the timing belt in a 2003 mitsubishi lancer es


    Hi, first pop the hood and find the serpentine and alternator belts on the left side of the engine compartment. The serpentine belt runs around four pulleys. The alternator belt uses two pulleys. They share space on the drive shaft so they are right next to each other.
    Of the four pulleys using the serpentine belt, three of them are vertically in line (closer to the front of the car) and the fourth stands alone (closer to the cab). Of the three vertically in line, the middle pulley is the one used to adjust the tension on the belt.
    You must first break loose the bolt in the center of the tension pulley (the bolt is facing the passenger tire) by turning it counter clockwise. Then leave that bolt and go to the bolt connected frame connected to the other side of the tension pulley (this bolt is facing the front of the car). Turn that bolt counter clockwise until the serpentine belt is loose enough to pull off. Replace the belt and tighten in the opposite order. Once the desired tension is reached, crank the car and run it for a few minutes. Finally cut the car off and check the tension, tighten or loosen as necessary.
    Take care

    Aug 02, 2010 | 2003 Mitsubishi Lancer

    1 Answer

    Need to tighten alternator belt


    The alternator is held in place by two bolts.

    Top and bottom bolts - 12 mill bolts.

    By loosening the bolts (especially the top bolt) you will find that the alternator can be manipulated forward and backwards alongs it housing (guides). To tighten the alternator belts all you need to do is push the alternator away from the tensioners and tighten the belt as required.

    Once the belt is taut, but not stetched, simply tighten the two bolts up again and check that the belt has not lost its tension when you where tightening the belts.

    Feb 19, 2010 | 2004 Mitsubishi Lancer

    1 Answer

    How do I replace a broken alternater belt on a 2003 mitsubishi lancer


    First pop the hood and find the serpentine and alternator belts on the left side of the engine compartment. The serpentine belt runs around four pulleys. The alternator belt uses two pulleys. They share space on the drive shaft so they are right next to each other.
    Of the four pulleys using the serpentine belt, three of them are vertically in line (closer to the front of the car) and the fourth stands alone (closer to the cab). Of the three vertically in line, the middle pulley is the one used to adjust the tension on the belt.
    You must first break loose the bolt in the center of the tension pulley (the bolt is facing the passenger tire) by turning it counter clockwise. Then leave that bolt and go to the bolt connected frame connected to the other side of the tension pulley (this bolt is facing the front of the car). Turn that bolt counter clockwise until the serpentine belt is loose enough to pull off. Replace the belt and tighten in the opposite order. Once the desired tension is reached, crank the car and run it for a few minutes. Finally cut the car off and check the tension, tighten or loosen as neccessary.

    Oct 10, 2009 | 2004 Mitsubishi Lancer

    1 Answer

    Change belt


    There is a belt tensioner that is spring loaded. The tensioner is loosen with a wrench or 1/2" drive.

    May 21, 2009 | 2003 Mitsubishi Lancer

    2 Answers

    2003 Lancer ES High pitch squeal and constant squeak


    Shortly after replacing the serpentine belt in my lancer, the same thing happened. It is NOT the timing belt. Belts squeal when they slip. If your timing belt slipped it would cause your car to run funny.

    have somebody check the belt for wear (or do it yourself), replace if necessary. If it doesn't need replacement, just tighten it.

    If you have the 4cyl engine that I have, the tightening is kind of a pain in the ****. Not a great design by mitsubishi. There's a pulley near the front right corner of the engine in front of the alternator. the belt should be running around this pulley GROOVE SIDE OUT. This is the tension pulley.

    To tighten:
    1) Lightly loosen the bolt in the center of the pulley (slightly loosen, DO NOT REMOVE).
    2) Under that pulley there's another bolt. You can see that the bolt goes through a piece of metal
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    . It's better to tighten a little bit, a few times rather than overtighten once.
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    If there's lots of cracks and pieces missing on the ribs or grooves of the belt you should replace it first.

    Happy repairing,
    Cliff

    Mar 07, 2009 | 2003 Mitsubishi Lancer

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