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How do you release tension to fan belt then remove

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The tension pulley arm will usually have a square opening at its pivot point where a breaker bar can be inserted to relieve the tension. Turn to release pressure and then slide belt out of the way and remove it from remaining pulleys.

Posted on Apr 09, 2015

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1992. How do I replace fan belt? fan belt


There is a spring loaded belt tensioner. Use the appropriate tool to release the tension on the belt Remove the belt , paying attention to the belt routing and replace the old belt with the new belt.

Oct 13, 2015 | Ford Explorer Cars & Trucks

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Changing serpentine belt on 2004 dodge ram 1500


Should be a diagram on hood.or at radiator .

May 30, 2014 | Cars & Trucks

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1993 bmw 325i water pump belt routeing


One of the routine maintenance items that you should perform on your BMW is the checking and replacement of your accessory drive belts. The belts are driven off of the crankshaft and power accessories such as the water pump, power steering pump, alternator and air conditioning compressor. There are typically two belts on the car - one that powers the air conditioning compressor and another that powers everything else. Both should be checked periodically (every 3,000 miles, or when you change your oil), and particular attention should be paid to the main belt. The car can run fine without the air conditioning belt installed. Some of the early E30 cars use a standard v-belt design, and some of the later cars use what is known as a poly-ribbed belt (having many channels or ribs on the underside of the belt). The poly-ribbed belt setup utilizes a spring-loaded belt tensioner pulley that provides the proper tension for the belt at all times, making adjustment unnecessary. The traditional style v-belts need to be tensioned using standard types of clamps and tensioners. When inspecting your belts, the one thing that you want to look for is cracks (yellow arrow - Figure 1). If you see any cracks at all, you should replace your belts. The cracks will usually occur on the inside of the belt (the surface that typically rides on the surface of the pulley). With the poly-ribbed belts, this is the grooved surface. With the v-belts, this is the surfaces on the legs of the 'V'. With the poly-ribbed belts, replacement is a snap. The tensioners that hold the belt tight can be easily released using a socket and or 8 mm hex tool. Different tensioners turn different directions, so you may have to rotate the tensioner clockwise or counter-clockwise depending upon your particular car. The description of this process is one of those things that is difficult to describe, but very easy to do. First, pry off the small plastic cap that covers the tensioner (green arrow Figure 1). Then, place your tool into the tensioner and try rotating clockwise or counter-clockwise - will become immediately apparent how the tensioner releases the belt (Figure 2 and Figure 3). Removal of the two belts is easy - you do not have to remove the fan. Simply release the tension on the belt from the tensioner, and then the belt should simply slide off. Release the tension, and then you should be able to unwind the belt from the engine. The belt should be able to be maneuvered around and through the fan - you do not need to remove the fan to swap out any of the belts (Figure 4). It is important to note that if your BMW has air conditioning, you will need to remove this belt first, as it typically blocks the other belt. Another tip - if the belt is worn, simply snip it with some large tin cutters and pull it out of the car, after you have released the tension on it. Installation of the new belt is easy. Simply slide on most of the new belt onto the pulleys, release the tension on the tensioner, and slide the belt onto the tensioner. Check to make sure that the belt is securely seated in all of the pulleys. Verify that the ribbed portion of the belt is set against the crankshaft pulley. The proper orientation of the belt is shown in Figure 5. Replace any plastic caps that you may have removed from the front of the tensioner pulleys. Now, start the car and peek in at the belts. Verify that they are turning smoothly on all of the pulleys. For engines with the older-style v-belts, the procedure is nearly identical, except for the tensioning. The alternator is mounted on a bracket that rotates and is used to keep tension on the belt. In addition, there is a small rack-and-pinion device on this bracket that allows you to crank up the tension on the belt (Figure 6). The first step in setting or releasing tension is to release the nut on the back of the bracket that keeps the whole assembly secure. Do not attempt to turn the geared bolt without first releasing this nut on the rear - you will most likely damage the bracket. With the nut released, you can now turn the geared bolt counter-clockwise, releasing tension on the belt. Belt replacement is nearly identical to the poly-ribbed belts. Well, there you have it - it's really not too difficult at all
12_15_2011_4_43_36_am.jpg12_15_2011_4_44_18_am.jpg12_15_2011_4_45_17_am.jpg12_15_2011_4_45_53_am.jpg12_15_2011_4_46_27_am.jpg

Dec 15, 2011 | Cars & Trucks

1 Answer

How do i take the pressure off my fan belt on my 1.9tdi 2002 a4. is there a bolt on the tensioner than will release the pressure when turned??


Yes, there is a 19 mm hexagonal cap bolt on the tensioner. See the yellow arrow in the picture below:
tdisline_471.jpg
Put a 19 mm spanner on the bolt and turn it in counterclockwise direction until the fan belt will be released. Then remove old fan belt and install a new one. See the serpentine belt routing diagram for a 2002 Audi A4 1.9 TDI:
tdisline_472.jpg
CS = Crankshaft
F = Fan pulley
Gen = Alternator
T = Tensioner
AC = Air Conditioning
PAS = Power Assisted Steering

Apr 19, 2011 | Audi A4 Cars & Trucks

1 Answer

Need diagram for installation of a serpetine belt for 2005 Toyota Tacoma P/U 4.0. Please advise. Thanks


  1. REMOVE ENGINE UNDER COVER SUB-ASSEMBLY NO.1 (4WD AND PRE RUNNER DRIVE TYPE)
    1. Remove the 4 bolts, then remove the under cover No.1.
    2. dak408_42.gif
  • REMOVE FAN AND GENERATOR V BELT
    1. While releasing the belt tension by turning the belt tensioner counterclockwise, remove the V-ribbed belt from the belt tensioner.
  1. INSPECT V-RIBBED BELT TENSIONER ASSEMBLY
    1. Check that nothing gets caught in the tensioner by turning it clockwise and counterclockwise. If a malfunction exists, replace the tensioner.
    2. dak408_43.gif
    3. INSTALL FAN AND GENERATOR V BELT
    1. While turning the belt tensioner counterclockwise, align with its holes, and then insert a bar of 6 mm (0.24 inch) into the holes to fix the belt tensioner.
    2. Install the V-ribbed belt.
    3. While turning the belt tensioner counterclockwise, remove the bar.
    4. dak408_44.gif
    1. If it is hard to install the V-ribbed belt, perform the following procedure.
(1) Put the V-ribbed belt on all parts except the P/S pump, as shown in the illustration. (2) While releasing the belt tension by turning the belt tensioner counterclockwise, put the V-ribbed belt on the P/S pump.
  1. INSTALL ENGINE UNDER COVER SUB-ASSEMBLY NO.1 (4WD AND PRE RUNNER DRIVE TYPE)
    1. Install the engine under cover with the 4 bolts. Torque: 29 Nm (296 kgf-cm, 21 ft. lbs.)

Nov 21, 2010 | 2005 Toyota Tacoma

2 Answers

Diagramm serpantine belt 2005 sprinter2500


Hi.

Here the belt routing for 2005 Dodge Sprinter 2005, whch was sold only with the 2.7 engine mounted:



feac688.jpg


Fig. Accessory Belt Routing-A/C Compressor (1), Power Steering Pump (2), Tensioner (3), Crankshaft Pulley (4), Water Pump (5), Alternator (6), Idler Pulley (7)-All Engines

Here a different view:

62bcecc.jpg

Here also the fan belt routing;

729c6e0.jpg

Fig. Fan belt routing-Fan pulley (1), Fan belt (2), Crankshaft pulley (3)-3.0L engine shown

PROCEDURE Removal & Installation


2.7L Engine

1. Loosen the tension adjust and remove the A/C compressor drive belt.
2. Attach a 3 / 8 inch drive ratchet to the automatic belt tensioner.
3. Rotate the belt tensioner counterclockwise to release the belt tension.
4. Remove the accessory drive belt, starting with the water pump pulley.



To install:

1. Position the accessory drive belt around every pulley except the water pump pulley.
2. Rotate the drive belt tensioner clockwise, install the accessory drive belt and release the tensioner.
3. Position the A/C Compressor drive belt over the crankshaft pulley and A/C compressor pulley.
4. Tighten the drive belt tensioner.
5. Ensure the belt is seated properly on all of the pulleys.

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Sep 21, 2010 | Dodge Sprinter Cars & Trucks

1 Answer

Alternator belt broken


Audi A6 (1999 fabrication year):
1. Release the fan belt tensioner.
2. Remove the broken belt.
3. Put the new belt correctly in place.
4. Set-up the fan belt tensioner.

If you specify the engine type of yours car I will send you the fan belt routing diagram!

Apr 07, 2010 | 1999 Audi A6

1 Answer

How to change serpentine belt


Hello, this is an easy job. I like to remove the upper fan shroud to give me more room to work. TAKE A VERY GOOD LOOK at how the belt is routed, it looks simple but once it's off can be confusing. With a ratchet and socket or a box end wrench release the tension on the automatic belt tensioner. CAUTION don't let the wrench slip and bang your knuckles. With the tension released just remove the old belt and slowly release the tensioner. Don't just let it snap back. Place the new belt firmly and squarely in the grooves of the various pulleys and release tension on the tensioner again, then slip the belt around the final pulley and slowly release the tension again. I put the belt on the idler pulley last, (the smooth one).

Mar 27, 2010 | 2000 Chevrolet Silverado

1 Answer

How replace the fan belt and idler pully


Your Catera does not have a fan belt, it has an accessory belt. The fan is electrically operated using a thermal switch.

To replace the accessory belt, you use a ratchet head to loosen the tensioner pulley, and slide the belt off one pulley, then release the tensioner and finish removing the belt. You install the new belt on all but the pulley closest to the tensioner, release the tension with a ratchet head, then install the belt on the tensioner pulley and release the tensioner so that it applies pressure on the belt.

Dec 27, 2009 | 1998 Cadillac Catera

1 Answer

Changing fan belt


Removal & Installation
  1. Rotate the drive belt tensioner clockwise and remove the drive belt.

    WARNING Never suddenly let go of the tensioned idler pulley. The force of the spring pressure suddenly released may damage the idler pulley mechanism. Always release the spring pressure gradually.

f897cde.gif
Rotate the belt tensioner to relieve tension on the belt—4.6L engine shown, others similar

To install:
  1. Route the belt over the pulleys making sure all the grooves in the pulleys and the belt line up correctly. Refer to the accessory belt routing section of this manual.
  2. Rotate belt tensioner clockwise and slip drive belt over idler pulley on tensioner.

Oct 11, 2009 | 1996 Ford Explorer

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