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Whats a breaker bar when using it to change belt tensioner

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A "breaker bar" is the same as a crowbar or a long lever.

Posted on Sep 16, 2010

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How do I remove the belt on 2006 mazda6 to change the alternator?


IF YOU HAVE THE TENSIONER PULLEY JUST PLACE WRENCH ON CENTER TENSIONER PULLEY BOLT.TURN TENSIONER PULLEY BOLT CLOCKWISE TO REMOVE THE BELT.IF YOU HAVE THE AUTOMATIC TENSIONER YOU NEED A BREAKER BAR PLACE IT IN THE TENSIONER .PUSH DOWNWARD FORWARD ON BREAKER BAR AND REMOVE THE DRIVE BELT. TO GET TO BELT TENSIONERS. YOU HAVE TO REMOVE THE WHEEL SPLASH SHIELD.

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How to replace timing belt on a 2003 chevy tracker


Open the hood and locate the accessory belt routing diagram that is stamped to the top flat surface of the radiator shroud. Use the routing diagram to properly route the new belt around each accessory pulley.
Look on the front of the engine between the alternator and the power steering pump and locate the automatic belt tensioner. Use the pulley that is attached to the end of the tensioner to loosen the tension from the belt.
Position a breaker bar and a 14 mm socket onto the bolt head in the middle of the tensioner pulley. Turn the breaker bar clockwise to loosen the tension from the belt. Slide the belt off of the tensioner pulley and slowly release the breaker bar.
Slide the belt out from around all of the engine accessory pulleys. Pull the belt around each of the fan blades and up out of the engine compartment.
Slide the new belt around each of the fan blades and around each of the accessory pulleys as directed by the belt routing diagram.
Turn the tensioner clockwise with the breaker bar and the 14 mm socket again. Slide the belt around the tensioner pulley and slowly release the breaker bar. Pull the breaker bar and socket off of the tensioner and out of the engine compartment.
Crank the engine for ten to fifteen seconds to finish seating the ribs on the inside of the belt to the grooves of each accessory pulley. Turn the engine off.

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1 Answer

2003 Chevy Trailblazer - hot to change a thermostat, hard to get to one of the bolts. is there an easier way?


Hello! Sounds like the engine is a 5.3L or 6.0L...If not let me know...Have you removed the serpentine belt? It's a lot easier with the belt out of the way...If you have not, here is the procedure to remove the belt...

Remove the air cleaner resonator outlet duct from throttle body...Install a hex head socket breaker bar onto the belt tensioner...Turn the breaker bar clockwise until the tension on the drive belt is relieved...remove the drive belt from the generator pulley...Turn the breaker bar counter clockwise to release the tensioner arm...Remove belt...Guru..................saailer

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Nov 16, 2010 | 2003 Chevrolet TrailBlazer

1 Answer

Need to change a serpentine belt for a 2003 cavaalier is there an easier way


I would just release tension on the belt with a breaker bar. And put the new belt in by weaving it through the various pulleys, smooth side, followed by grooved side, and so on until the belt is on every pulley except the tensioner pulley.

Again, release tension on the tensioner pulley with the breaker bar, and then put the loop of the belt on that pulley and you're done.

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How to change serpintine belt


Draw a picture of the belt routing so you know how the new one goes on. Loosen the belt tensioner is has a spring to over come. Take off the old belt and reinstall the new one.

Sep 21, 2010 | 1998 Oldsmobile Aurora

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How do you change the serpentine belt? Manual says to use a 1/2" breaker bar on tensioner but I cant see where to put the bar. I dont see a 1/2" hole.


have never worked on this model but i should imagine you push on the bar to release the tension ,like using a crowbar but you are using the 1/2 inch bar as a lever ,i do it all the time as i have a nice snap on one about 80cms long

Jun 21, 2010 | 1995 GMC Jimmy

1 Answer

How do you change the serpentine belt on a 2004 Trailblazer?


Note the drive belt routing, usually there is a sticker under the hood with the routing. using the right socket and a breaker bar, rotate the drive belt tensioner clockwise to relieve tension. remove belt and slowly release breaker bar tesnsion. for V8, Install on all pulleys except generator, loosen tension and install on generator. for 4.2L install belt over all pulleys except tensioner, relieve tension and install over tensioner, slowly release breaker bar tension.

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Change balt how to pull tensioner


serpentine belt tensioner tool is best because you have such a small amount of space between the tensioner and the vehicles body/frame.

Nov 04, 2009 | 1993 Ford Tempo

1 Answer

HOW TO CHANGE DRIVE BELT ON MY 98 GMC SONOMA 4 CYLINDER


it may be easier to attach the breaker bar to the tensioner arm from under the vehicle to relieve belt tension

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  1. On 1994-97 2.2L engines and 1994-96 4.3L engines, using a 1/2 in. breaker bar and if necessary, with a socket placed on the tensioner pulley bolt, rotate the tensioner counterclockwise to relieve the belt tension. On some 2.2L engines it may be easier to attach the breaker bar to the tensioner arm from under the vehicle.
  2. On 1998-99 2.2L engines and 1997-99 4.3L engines, using a 3/8 in. breaker bar, rotate the tensioner counterclockwise to relieve the belt tension. On some 2.2L engines it may be easier to attach the breaker bar to the tensioner arm from under the vehicle.
  3. Remove the serpentine belt.
To install:
  1. Route the belt over all the pulleys except the tensioner.
  2. Place the breaker bar and if necessary the socket, on the tensioner pulley bolt and rotate the tensioner counterclockwise to the released position.
  3. Install the belt and return the pulley slowly to its original position. Do not let the pulley snap back into position as this may damage the belt and pulley.
  4. Check that the belt is properly seated in each pulley.

Oct 11, 2009 | 1998 GMC Sonoma

1 Answer

What tools do I need to remove both engine belts from my wife's 2004 Concorde.do 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
  1. REMOVAL
    AIR CONDITIONING BELT

    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.
    CLEANING
    Clean all foreign debris from belt pulley grooves. The belt pulleys must be free of oil, grease, and coolants before installing the drive belt.

    INSPECTION
    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).

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

    AIR CONDITIONING BELT - NEW

    WARNING: DO NOT REMOVE A/C BELT TENSIONER LOCKING BOLT WITHOUT FIRST HOLDING THE TENSIONER WITH A 1/2" DRIVE BREAKER BAR, AS PERSONAL INJURY COULD RESULT.
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.
    AIR CONDITIONING BELT - USED

    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

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