Question about 2006 Suzuki Grand Vitara

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How to tighten alternator belt / tensioner? Typically the tensioner would have a spring on it which this doesn't. This unit has two bolts, one which is slotted. How do you put pressure on the pulley/tensioner while tightening the bolts?

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Tire tool, , or a break over bar with socket that fit. good luck.

Posted on Mar 26, 2011

  • A-1 Mechanic Jun 21, 2011

    NO! You don't use a tire iron! There are two screws, one has an allen wrench slot when you remove the screw and the other is just a backup tightening screw. Remove the one with the allen wrench slot, use the proper allen wrench to tighten the alternator and then tighten the other screw. Once you have it locked in place, put the other screw back into the allen wrench slot and tighten!



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1 Answer

How to tighten alternator belt on 1993 pathfinder

Four cylinder engine - loosen bottom pivot bolt on alternator, then loosen top bolt and pull the alternator away from the engine to tighten belt. When at proper tension, tighten top bolt to hold tension and tighten bottom pivot bolt.
Six cylinder engine - loosen the lock bolt at the bottom of the alternator, then use the adjustment bolt (perpendicular to the lock bolt) to tighten the belt tension. Once properly tensioned, tighten the lock bolt.

Jan 30, 2017 | Cars & Trucks

1 Answer

Replace Alternator - Belt Tension Pulley

If the tensioner doesn't automatically reset to the proper position, then the spring in the tensioner arm is bad. Need to replace the tensioner assembly, in that case.

Apr 10, 2014 | 1999 Buick Century

1 Answer

How to put in 2003 chevy calvlier alternator my self

1) Open driver's door window (in case the car auto-locks shut), remove keys from car's interior, and disconnect the vehicle's battery's negative terminal wire and tuck it away, making sure it cannot touch the battery negative terminal (you might wrap it in a cloth, just to make absolutely sure) (make sure you have any stereo security codes, before disconnecting this). Also make sure you have any alarm system turned off, or have the key to do so.

2) Remove the alternator drive belt. Serpentine belt types require a spring tensioned pulley to be forced against spring pressure, away from the belt in order to remove the belt (MAKE SURE you take careful note of this belt's route for easy refit. Take a photo if necessary!). Traditional tensioners require a locking bolt to be slackened and then an adjustment bolt to be slackened, plus affixing bolt to be slackened in order to freely remove the belt.
3) Disconnect the wires from the back of the alternator unit. You may typically have one plug connector and one or two heavy duty wires on the back.

4) Remove any remaining alternator fixing bolts which are keeping it affixed to the engine block, and remove alternator.


1) Locate alternator position and lightly screw in all affixing bolts (do not tighten if using traditional type, manual tensioner). Tighten if using a serpentine belt tensioner (spring loaded type).

2) Re-attach all wiring and check for tight connections.

3) Replace drive belt. If using traditional tensioner, then manually adjust the belt tension so that you can twist the belt to about 90 degrees when tight, no further.

4) Clear the engine bay of all tools, reconnect vehicle battery negative lead.

5) Restart vehicle.

6) Listen for belt squeal (may need tightening further if manually adjusted). Take note of dashboard charge warning indicator. If illuminated, then check battery connections and alternator connections.

7) If you have a multimeter, then check voltage across battery terminals with vehicle running. Voltage should measure around 14Volts with a healthy alternator fitted.

8) After running for a few minutes, stop engine and recheck belt tension if using a manual tensioner. BE CAREFUL of any hot areas as these may burn. If in doubt, then wait until the engine is cold and re-adjust if necessary.

Job Done!

Good luck!

Nov 03, 2012 | Cars & Trucks

1 Answer

My altinater belt snapped, how do I replace it? Is this a dificult job to do on my own?

Not very difficult. Typically, it involves:

Loosening a locking nut on the tensioner for the belt. This allows the belt tensioner to be loosened to put a new belt on.

Finding the belt tensioner (some are automatic, spring loaded, others you loosen\tighten manually through a bolt) and loosening it so the belt fits loosely on the pulleys. If I were you, I would look at the pulleys without the belt and see if you can determine which is the tensioner.

Install new belt.

Tension it to spec. (Depends which vehicle you have.) If you have doubts, just tighten it so it doesn't flex more than an inch when pressed on the longest span.

Tighten locking nut.

Try running the car with the new belt. If you hear screeching, either loosen or tighten it until it goes away. Also make sure the electronics are all good, and that nothing is surging (as if losing power) since the alternator does charge your battery.

Jul 30, 2011 | Mazda 626 Cars & Trucks

1 Answer

Kia sephia 2000 automatic spring tension system. What is that? I am trying to put a new alternator belt on , and I'm suppose to loosn the tension pulley but my kia doesnt have a tension pulley on it. Now...

if it dont have an auto spring you need to loosen the bolts on the alternator and swing it in toward the engine,fit the belt then swing it out to tighten the belt before you do up the alt bolts NOT TOO TIGHT,

Aug 25, 2010 | 2000 Kia Sephia

2 Answers

Need diagram to put timingbelt on 2001 kia sportage

prev.gif next.gif Timing Belt Removal & Installation SOHC To Remove:
  1. Disconnect battery negative cable.
  2. Remove fresh air duct.
  3. Drain engine coolant into an appropriate container and retighten radiator drain plug.
  4. Remove upper radiator hose.
  5. Remove fan clutch assembly bolts.
  6. Remove 5 cooling fan shroud bolts.
  7. Remove fan shroud and fan as an assembly.
  8. Loosen alternator mounting bolts and remove drive belt from pulley.
  9. Remove fan pulley.
  10. Remove 4 cooling fan assembly bolts.
  11. Remove cooling fan assembly.
  12. Remove 4 bolts and upper timing belt cover.
  13. Remove 2 lower bolts and lower timing belt cover.
  14. Loosen adjusting bolt and remove A/C belt.
  15. Remove alternator belt.
  16. Loosen power steering pump lock bolt and mounting bolt.
  17. Remove drive belt from crankshaft damper. Camshaft timing marks kia-03-20-7032.gif

  18. Turn crankshaft until timing mark on front housing and the arrow "2" on the camshaft pulley align.
  19. Remove 5 bolts and remove damper.
  20. Remove timing belt guide from timing belt pulley.
  21. Loosen tensioner lock bolt.
  22. Pry tensioner away from timing belt and tighten lock bolt to relieve tension on the timing belt. NOTE: Mark the direction of timing belt rotation on the belt if it is being reused.
  23. Remove timing belt.
To Install:
Timing belt pulley timing marks kia-03-20-7035.gif

NOTE: Timing belt pulley timing mark and timing mark must be aligned.
Camshaft timing marks kia-03-20-7032.gif

NOTE: The arrow at "2" on camshaft pulley must be aligned with timing mark on front housing.
Timing belt installation kia-03-20-7036.gif

  1. Install timing belt with minimal slack from timing belt pulley to water pump and from water pump to camshaft pulley.
  2. Loosen tensioner lock bolt until tension is applied to timing belt. CAUTION
    Do not turn crankshaft counterclockwise.
  3. Turn crankshaft pulley 2 full turns clockwise and ensure timing marks are properly aligned.
  4. Tighten tensioner lock bolt to 33 ft lb (45 Nm).
  5. Apply a force of 21 lb to timing belt midway between idler pulley and camshaft pulley.
    • Deflection should measure 0.43-0.51 inch (11-13 mm)
    NOTE: if timing belt deflection is incorrect remove timing belt and install NEW tensioner spring.
  6. Install timing belt guide.
  7. Install crankshaft damper pulley.
  8. Install 5 crankshaft damper pulley bolts. Tighten bolts to 132 in lb (15 Nm).
  9. Install power steering pump drive belt.
  10. Adjust power steering pump drive belt tension and tighten lock bolt and mounting bolt.
  11. Install alternator drive belt.
  12. Install A/C drive belt.
  13. Install lower timing belt cover and bolts. Tighten bolts to 84 in lb (10 Nm).
  14. Install upper timing belt cover and bolts. Tighten bolts to 84 in lb (10 Nm).
  15. Install cooling fan assembly and 4 bolts. Tighten bolts to 27 ft lb (37 Nm).
  16. Install fan pulley.
  17. Install fan clutch and shroud as an assembly. Tighten bolts to 74 in lb (8 Nm).
  18. Tighten 4 cooling fan nuts to 16 ft lb (22 Nm).
  19. Adjust alternator belt tension and tighten alternator mounting bolts.
  20. Install upper radiator hose.
  21. Install fresh air duct.
  22. Connect battery negative cable.
  23. Refill/bleed cooling system.
DOHC To Remove:
  1. Disconnect battery negative cable.
  2. Remove fresh air duct.
  3. Remove 5 cooling fan shroud bolts and 4 thermo-modulated fan nuts.
  4. Remove 4 thermo-modulated fan shroud fasteners.
  5. Remove generator drive belt.
  6. Remove fan pulley (located above crankshaft pulley).
  7. Remove 4 bolts and splash shield (located under front of vehicle).
  8. Remove A/C drive belt and power steering drive belt. Timing Belt Removal kia-03-20-7097.gif

  9. Remove 5 bolts and upper timing belt cover.
  10. Remove 2 bolts and lower timing belt cover.
  11. Loosen tensioner lock bolt and pivot tensioner pulley outboard.
  12. Retighten tensioner lock bolt. NOTE: Mark timing belt for rotation if it is being reused.
  13. Remove timing belt.
To Install:
Crankshaft match marks 79245g25.gif

  1. Align marks on timing belt pulley and pump body. Camshaft pulley alignment marks 79245g28.gif

  2. Align marks on camshaft pulleys with alignment marks on seal plate.
  3. Install timing belt. NOTE: No looseness should exist on the tension side and at the camshaft pulleys.
  4. Loosen tensioner lock bolt.
  5. Turn crankshaft 2 revolutions in direction of rotation and check that timing marks are still in alignment.
  6. Tighten timing belt tension lock bolt to 27-38 ft lb (32-52 Nm).
  7. Apply a force of 22 lbs to timing belt between camshaft sprockets.
    • Belt deflection should measure 0.30-0.33 in (7.5-8.5 mm)
    NOTE: Replace tensioner spring if timing belt deflection is excessive.
    Timing Belt Installation kia-03-20-7097.gif

  8. Install lower timing belt cover.
  9. Install upper timing belt cover.
  10. Install power steering drive belt and adjust belt tension.
  11. Install fan pulley.
  12. Install generator drive belt and adjust belt tension.
  13. Install A/C drive belt and adjust belt tension.
  14. Install splash guard.
  15. Install fan and fan shroud.
  16. Install 4 fan bolts. Tighten to 24 ft lb (33 Nm).
  17. Install fan shroud mounting bolts.
  18. Install fresh air duct.
  19. Connect hose to resonance chamber.
  20. Connect battery negative cable.

Aug 02, 2010 | 2001 Kia Sportage

1 Answer

How to fix tension on the alternator 2006 Chrysler Sebring 4door sedan

Depending on what system they used in your vehicle this is either automatic by a spring loaded tensioner or there are adjustmenters attached to the Alternator, Power steering or AC compressor mounts. You can move these adjusters using a socket on the end of them. It's hard to explain them but typically to tighten the belt you turn the adjusting bolt clockwise and loosen it by turning it counter clockwise.

Jul 26, 2010 | 2006 Chrysler Sebring

1 Answer

My fan belt on my bmw 525 td keeps cumming off nd i dont now haw to put it on and keep it tight eney ansers pleez

The fan/serpentine belt is usually held tight with either spring loaded tension or the pressure put on it by the alternator. If it's the the spring loaded tensioner it has to be pressing against the outside of the belt to keep it tight as it passes around the pulleys.
If it's the alternator that keeps the belt tight, you'll need to find the bolt holding the alternator, usually the top side of the unit. You will notice a curved opening where the bolt passes through, loosen the bolt and keeping the belt tight pull the alternator out away from the engine to put pressure on the belt. Tighten the bolt and check the belt's tension by pressing on it with your finger it should only move slightly, usually less than half an inch. It is important to check the tension after it runs for some time to make certain the belt hasn't slipped or stretched, some stretching is normal as it heats up. If the belt is too tight it can damage the alternator or other parts. A repair manual is also available at the auto parts store to assist you in the procedure average cost 20 to 50 dollars depending on the brand Haynes or Chilton. Hope this helps, good luck

Oct 15, 2009 | BMW 525 Cars & Trucks

1 Answer

What tools do I need to remove both engine belts from my wife's 2004 I need ome special tensioner tool to move the tensioner the other belt is a regular v belt and it goes around the...

2.7L & 3.5L Engines same Tools & Procedure Rate Me Please 1/2 in. breaker bar & Special Tool 7198 for conventional V-belts and Poly-V belts

    NOTE: The A/C drive belt self tensioner is NOT a dynamic tensioner. After adjustment the tensioner bracket bolts are tightened. The torsion spring is no longer responsible for tensioning the A/C belt. The torsion spring is only used for initial belt tensioning.
    1. Remove generator/power steering belt to gain access to A/C belt. Refer to GENERATOR/POWER STEERING BELT for procedure.

    1. Loosen BUT DO NOT REMOVE tensioner locking bolt and pivot bolt (Fig. 2).
    2. Insert 1/2" drive breaker bar into square opening on belt tensioner. Rotate tensioner counterclockwise until belt can be removed from pulleys (Fig. 2).
    3. Slowly rotate tensioner clockwise to relieve spring load.
    Clean all foreign debris from belt pulley grooves. The belt pulleys must be free of oil, grease, and coolants before installing the drive belt.

    Belt replacement under any or all of the following conditions is required:
    • Excessive wear
    • Frayed cords
    • Severe glazing
  • Poly-V Belt system may develop minor cracks across the ribbed side (due to reverse bending). These minor cracks are considered normal and acceptable. Parallel cracks are not (Fig. 3).

    Do not use any type of belt dressing or restorer on Poly-V Belts. INSTALLATION


NOTE: Verify that torsion spring position is in the new belt position before installing a NEW belt (Fig. 4). If torsion spring is not in the new belt position, follow steps 1-7 to change the tensioner spring from the USED belt position to the NEW belt position.
  1. Insert a 1/2" drive breaker bar into the square opening on the tensioner. Hold counterclockwise pressure on tensioner while removing the locking bolt (Fig. 2).
  2. Carefully release spring load of the torsion spring on the tensioner.
  3. Remove pivot bolt, tensioner, and spring from front timing cover.
  4. Insert spring arm into the NEW belt position on the tensioner (Fig. 4).
  5. Install torsion spring, tensioner, and pivot bolt.
  6. Install pivot bolt. Tighten only finger tight, at this time.
  7. Using a 1/2" drive breaker bar, apply counterclockwise pressure until locking bolt can be installed.
    1. Install the NEW belt by rotating the tensioner counterclockwise until the NEW belt can be installed on pulleys. See (Fig. 5) for belt routing.
    2. Release tensioner and remove breaker bar. Belt is automatically adjusted with the tensioner's torsion spring.
    3. Tighten tensioner locking bolt and pivot bolt to 28 Nm (250 in. lbs.) (Fig. 2).
    4. Install generator/power steering belt.

    NOTE: A "used belt" is considered having more than 500 miles of service use. NOTE: Perform steps 1-7 to change the tensioner spring from the NEW belt position, to the USED belt position.
    1. Insert a 1/2" drive breaker bar into the square opening on tensioner. Hold counterclockwise pressure on tensioner, while removing tensioner locking bolt (Fig. 2).
    2. Carefully release the tension of spring on tensioner.
    3. Remove pivot bolt, tensioner, and spring from front cover.
    4. Insert spring into the USED belt position on tensioner bracket (Fig. 4).
    5. Install spring, tensioner bracket, and pivot bolt.
    6. Install pivot bolt. Tighten only finger tight, at this time.
    7. Using a 1/2" drive breaker bar, apply counterclockwise pressure until locking bolt can be installed.
    8. Install the USED belt by rotating tensioner counterclockwise until belt can be installed on pulleys. See (Fig. 5) for belt routing.
    9. Release tensioner and remove breaker bar. Belt is automatically adjusted with the tensioner's torsion spring.
    10. Tighten tensioner locking bolt and pivot bolt to 28 Nm (250 in. lbs.) (Fig. 2).
    11. Install generator/power steering belt.
I Hope This is Of Help To YOU IF So PLEASE HELP ME RATE ME it Helps Thank You Very Much and Happy Motoring !!!!!!!!

Jan 21, 2009 | Chrysler Concorde Cars & Trucks

2 Answers

Could you please tell me how to tighten my altenator belt on my 94 olds achiva s? Your help would be appreciated, thanks

I believe this car has a sliding alternator for putting tension on the belt. There should a bracket above the alternator with a bolt that goes through it and the alternator, loosen this bolt first. Next there should be a pivot bolt on the bottom of the alternator which when loosened you can tilt the alternator back adding tension to the belt. When you have it tilted back far enough just tighten up the bolts without releasing the alternator til the bolts are tightened up all the way. You may need a long pry bar such as the tire wrench to add a little extra tension that you just can't get by hand tightening. Hope this helps you.

Jan 13, 2009 | 1994 Oldsmobile Achieva Special Edition

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