Question about 1996 Audi A4

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Bearing noise on the righthand side of motor sounds like the waterpump.How do I remove the serpentine belt and the viscous fan

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Get a stethoscope at the Auto Parts store. There cheap and work very well. Listen to the water pump,alternator,pulleys etc. Be careful with eng running. Most serpentine belts have a spring loaded pulley tensioner you have to hold with the correct long handle 1/2 "drive ratchet and maybe a drive socket if it's not 1/2" Me not being an Audi guy, you may have bolts but most new veh have threaded fan hubs. You most definently will need to invest in tools,wrenches specific to water pump pulley removal. I have been at this 45 years and $45,000 in snap-on tools and it never ends.

Posted on Sep 25, 2009

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There is a tensioner pulley that you must loosen by turning counterclockwise with a wrench until you can loosen the belt enough to pull off the fan has several bolts that must be taken off with a socket and i usually take the fan off first before the hose to give me some tension to brake the bolts loose, also try using some type of pry in the metal part of the fan to hold it in place if it turns

Posted on Sep 25, 2009

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1 Answer

Bad oil pump ?


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You may get computer warnings with the following test, but with serpentine belt removed, run engine for 2 or 3 minutes. Do this on a warm engine after serpentine belt is removed. The warm oil will not mask the problem like cold thick oil can. Noise generated means problem is internal.
If this is a stick shift transmission sometimes the clutch bearing can make noise and is a sign that bearing is bad.

May 13, 2013 | Ford Focus Cars & Trucks

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Loud rattling sound top of engine near or below the alternator when idling, goes away if accelerator is pressed


Hello: Remove the serpentine belt, see if the waterpump pulley wobbles/makes noise when you spin it. If thats not it then start the engine, belt still off see if noise is there also while engine is running see if vthe crankshaft pulley wobbles. Also check the A/C compressor pulley (engine off, belt off) spin it by hand and check for noise and wobble. If all the previous is ok then it could be the balance shaft front bearing and or the timing chain.

Oct 18, 2011 | 1998 Buick LeSabre

1 Answer

Fan clutch making noise..like bearing is out in shaft..I think the water pump hold the shaft should I replace both


Would really need the model to be precise in diagnosing and giving the right instructions to repair this problem.I am assuming that by fan clutch that you have a viscous fan coupling bolted to your waterpump.Usually they dont get noisey,if they do,I would suggest that the fan would be either very loose and wobbly as you spin it while the engine is off,or it would be very stiff and rough to turn.Usually the fault is the waterpump bearing.It has the load of the fanbelt as well as the fan on it so it will wear out.If it is the fan,usually no need to replace the waterpump at this time,unless it is easy to get to at the same time,and for peace of mine if the mileage is getting high.This is assuming that it is the model that bolts to pump and isnt part of the pressed on hub on the pump shaft.This model is usually easier to replace as a whole unit-pump and viscous fan.I hope this helps you in decision making.

Mar 29, 2011 | Isuzu Ascender Cars & Trucks

1 Answer

Replacing water pump


This is for the 3.9 v6 you did not specify motor size.
Hope this helps, it it does please leave feedback Thank You and Good Luck


The water pump can be removed and installed without discharging the air conditioning system (if equipped).
  1. Disconnect battery negative cable.
  2. Drain cooling system.
  3. Do not waste reusable coolant. If solution is clean, drain coolant into a clean container for reuse.
WARNING: CONSTANT TENSION HOSE CLAMPS ARE USED ON MOST COOLING SYSTEM HOSES. WHEN REMOVING OR INSTALLING, USE ONLY TOOLS DESIGNED FOR SERVICING THIS TYPE OF CLAMP, SUCH AS SPECIAL CLAMP TOOL (NUMBER 6094). SNAP-ON CLAMP TOOL (NUMBER HPC-20) MAY BE USED FOR LARGER CLAMPS. ALWAYS WEAR SAFETY GLASSES WHEN SERVICING CONSTANT TENSION CLAMPS.

CAUTION: A number or letter is stamped into the tongue of constant tension clamps. If replacement is necessary, use only an original equipment clamp with matching number or letter.


  1. Remove upper radiator hose clamp and hose at radiator.
Fan Blade And Viscous Fan Drive-3.9L/5.2L/5.9L Engines 81898572


  1. The thermal viscous fan drive is attached (threaded) to the water pump hub shaft. Remove fan/viscous fan drive assembly from water pump by turning mounting nut counterclockwise as viewed from front. Threads on viscous fan drive are RIGHT HAND. A Snap-On 36 MM Fan Wrench (number SP346 from Snap-On Cummins Diesel Tool Set number 2017DSP) can be used. Place a bar or screwdriver between water pump pulley bolts to prevent pulley from rotating. Do not attempt to remove fan/viscous fan drive assembly from vehicle at this time.
  2. If water pump is being replaced, do not unbolt fan blade assembly from thermal viscous fan drive.
  3. Remove fan shroud attaching hardware (two bolts at bottom-two clips at top).
  4. Remove fan shroud and fan blade/viscous fan drive assembly from vehicle as a complete unit.
  5. After removing fan blade/viscous fan drive assembly, do not place thermal viscous fan drive in horizontal position. If stored horizontally, silicone fluid in viscous fan drive could drain into its bearing assembly and contaminate lubricant.
  6. Do not remove water pump pulley bolts at this time.
Automatic Belt Tensioner Assembly-3.9L/5.2L/5.9L Engines 81898573


  1. Remove accessory drive belt as follows: The drive belt is equipped with a spring loaded automatic tensioner. Relax tension from belt by rotating tensioner clockwise (as viewed from front). When all belt tension has been relaxed, remove accessory drive belt.
  2. Remove four water pump pulley-to-water pump hub bolts and remove pulley from vehicle.
  3. Remove lower radiator hose clamp and remove lower hose at water pump.
  4. Remove heater hose clamp and heater hose from heater hose coolant return tube.
Coolant Return Tube-3.9L/5.2L/5.9L Engines-Typical 81898574


  1. Loosen heater hose coolant return tube mounting bolt and remove tube from water pump. Discard the old tube O-ring.
Water Pump Bolts-3.9L/5.2L/5.9L Engines 81898575


  1. Remove seven water pump mounting bolts.
  2. Loosen clamp at water pump end of bypass hose. Slip bypass hose from water pump while removing pump from vehicle. Discard old gasket.
CAUTION: Do not pry water pump at timing chain case/cover. The machined surfaces may be damaged resulting in leaks.


Belt Routing-3.9L/5.2L/5.9L Engines 81898576

Jan 01, 2011 | 1999 Dodge Durango

2 Answers

Have loud noise from engine,gets louder w/more rpms.it is an automatic,60k miles.no exhaust or muffler problem.


Serpentine belt tightener pulley bearing was bad, made a loud noise. I replaced the pulley (jobber part) and the noise level was reduced enough to notice the waterpump was also making a noise ... more revs = louder noise. I am now replacing the water pump. (approx 60k Miles too).

Nov 22, 2010 | 2004 Toyota Corolla

2 Answers

How to remove fan


Congrats, I have one 1993 GC Limited and its a nice SUV...

5.2L Engines

  1. Disconnect the negative battery cable.
  2. The viscous fan drive and blade assembly is threaded into the water pump hub shaft. Remove the fan drive and blade assembly from the water pump by turning the mounting nut counterclockwise as viewed from the front while securing the water pump pulley. Do not remove or unbolt the fan drive and blade at this time.
296b572.jpg

Fig. : Fan blade and viscous drive (click for zoom)


The threads on the viscous fan drive are right hand threaded.
  1. Remove the 2 fan shroud-to-upper crossmember nuts.
  2. Remove the fan drive, blade and shroud as an assembly.
WARNING Do not place the viscous fan drive in a horizontal position. If stored horizontally, silicone fluid in the viscous fan drive could drain into its bearing assembly and the assembly would have to be replaced.
CAUTION Do not remove the water pump pulley-to-water pump bolts. The pulley is under spring tension.
  1. Remove the 4 bolts securing the fan blade assembly to the viscous fan drive.
To install:
  1. Install the fan blade on the viscous drive. Install the bolts and tighten them to 17 ft. lbs. (23 Nm).
  2. Position the fan shroud, viscous fan and blade into the engine compartment as an assembly.
  3. Position the fan shroud to the radiator. Insert the lower slots of the shroud into the crossmember. Install the upper attaching nuts.
Ensure the upper and lower portions of the fan shroud are firmly connected. All air must flow through the radiator.
  1. Install the fan drive and blade assembly to the water pump shaft and tighten the nut.
Ensure there is at least 1 inch (25mm) between the tips of the fan blades and shroud.
  1. Connect the negative battery cable.

Also, its possible that you are interesting in check the Service Manual ZJ-Secc-7-Cooling-System

Hope helps with this (remember comment and rated this).

Aug 03, 2010 | 1995 Jeep Grand Cherokee

1 Answer

2006 dodge dakota water pump replacement instructions 3.7L


The water pump can be removed and installed without discharging the air conditioning system (if equipped).

  1. Disconnect battery negative cable.
  2. Drain cooling system. Refer to Draining and Filling found under Cooling System, Service and Repair.
  3. Do not waste reusable coolant. If solution is clean, drain coolant into a clean container for reuse. WARNING: CONSTANT TENSION HOSE CLAMPS ARE USED ON MOST COOLING SYSTEM HOSES. WHEN REMOVING OR INSTALLING, USE ONLY TOOLS DESIGNED FOR SERVICING THIS TYPE OF CLAMP, SUCH AS SPECIAL CLAMP TOOL (NUMBER 6094). SNAP-ON CLAMP TOOL (NUMBER HPC-20) MAY BE USED FOR LARGER CLAMPS. ALWAYS WEAR SAFETY GLASSES WHEN SERVICING CONSTANT TENSION CLAMPS. CAUTION: A number or letter is stamped into the tongue of constant tension clamps. If replacement is necessary, use only an original equipment clamp with matching number or letter.
  4. Remove upper radiator hose clamp and hose at radiator.
  5. The thermal viscous fan drive is attached (threaded) to the water pump hub shaft. Remove fan/viscous fan drive assembly from water pump by turning mounting nut counterclockwise as viewed from front. Threads on viscous fan drive are RIGHT HAND. A Snap-On 36 MM Fan Wrench (number SP346 from Snap-On Cummins Diesel Tool Set number 2017DSP) can be used. Place a bar or screwdriver between water pump pulley bolts to prevent pulley from rotating. Do not attempt to remove fan/viscous fan drive assembly from vehicle at this time.
  6. 6. If water pump is being replaced, do not unbolt fan blade assembly from thermal viscous fan drive.
  7. Remove fan shroud attaching hardware (two bolts at bottom-two clips at top).
  8. Remove fan shroud and fan blade/viscous fan drive assembly from vehicle as a complete unit.
  9. After removing fan blade/viscous fan drive assembly, do not place thermal viscous fan drive in horizontal position. If stored horizontally, silicone fluid in viscous fan drive could drain into its bearing assembly and contaminate lubricant.
  10. Do not remove water pump pulley bolts at this time.
  11. Remove accessory drive belt as follows: The drive belt is equipped with a spring loaded automatic tensioner. Relax tension from belt by rotating tensioner clockwise (as viewed from front). When all belt tension has been relaxed, remove accessory drive belt.
  12. 12. Remove four water pump pulley-to-water pump hub bolts and remove pulley from vehicle.
  13. Remove lower radiator hose clamp and remove lower hose at water pump.
  14. Remove heater hose clamp and heater hose from heater hose coolant return tube.
  15. Loosen heater hose coolant return tube mounting bolt and remove tube from water pump. Discard the old tube O-ring.
  16. Remove seven water pump mounting bolts.
  17. Loosen clamp at water pump end of bypass hose. Slip bypass hose from water pump while removing pump from vehicle. Discard old gasket. CAUTION: Do not pry water pump at timing chain case/cover. The machined surfaces may be damaged resulting in leaks.

INSTALLATION

  1. Clean gasket mating surfaces.
  2. Using a new gasket, install water pump to engine as follows: Guide water pump nipple into bypass hose as pump is being installed. Install water pump bolts. Tighten water pump mounting bolts to 40 Nm (30 ft. lbs.) torque.
  3. Position bypass hose clamp to bypass hose.
  4. Spin water pump to be sure that pump impeller does not rub against timing chain case/cover.
  5. Install a new O-ring to the heater hose coolant return tube. Coat the new O-ring with antifreeze before installation.
  6. Install coolant return tube and its mounting bolt to engine. Be sure the slot in tube bracket is bottomed to mounting bolt. This will properly position return tube.
  7. Connect radiator lower hose to water pump.
  8. Connect heater hose and hose clamp to coolant return tube.
  9. Install water pump pulley. Tighten bolts to 27 Nm (20 ft. lbs.) torque. Place a bar or screwdriver between water pump pulley bolts to prevent pulley from rotating.
  10. Relax tension from belt tensioner. Install accessory drive belt.
  11. CAUTION: When installing the serpentine accessory drive belt, the belt must be routed correctly. If not, engine may overheat due to water pump rotating in wrong direction. Refer to Illustration above for correct belt routing. The correct belt with correct length must be used.
  12. Position fan shroud and fan blade/viscous fan drive assembly to vehicle as a complete unit.
  13. Install fan shroud.
  14. Install fan blade/viscous fan drive assembly to water pump shaft.
  15. Fill cooling system.
  16. Connect battery negative cable.
  17. Start and warm the engine. Check for leaks.

Feb 28, 2010 | 2006 Dodge Dakota

1 Answer

Belt whines and sounds like a bearing going,WD40 takes noise away


I'd remove the belt/belts and check all the idler pulleys. Did you retighten the belts or is it a single serpentine belt with an auto tensioner?

Feb 13, 2009 | Nissan Pickup Cars & Trucks

1 Answer

Changing the water pump on 2000 Jeep Grand Cherokee V6


WATER PUMP
The water pump is bolted directly to the engine timing chain case/cover.

A gasket is used as a seal between the water pump and timing chain case/cover.

If water pump is replaced because of bearing/shaft damage, or leaking shaft seal, the mechanical cooling fan assembly should also be inspected. Inspect for fatigue cracks, loose blades, or loose rivets that could have resulted from excessive vibration. Replace fan if any of these conditions are found. Also check condition of the thermal viscous fan drive. Refer to Viscous Fan Drive in this group.

The water pump can be removed without discharging the air conditioning system (if equipped)

REMOVAL
Disconnect negative battery cable from battery.
Drain cooling system. Refer to Draining Cooling System in this group.
Do not waste reusable coolant. If solution is clean, drain coolant into a clean container for reuse.

The thermal viscous fan drive is attached (threaded) to the water pump hub shaft. Remove fan/viscous fan drive assembly from water pump by turning mounting nut counterclockwise as viewed from front. Threads on viscous fan drive are RIGHT HAND. Using special tool spanner wrench 6958 with adapter pins 8346 and a suitable fan wrench loosen the fan drive Viscous Fan and Fan Drive Do not attempt to remove fan/viscous fan drive assembly from vehicle at this time.
WARNING: CONSTANT TENSION HOSE CLAMPS ARE USED ON MOST COOLING SYSTEM HOSES. WHEN REMOVING OR INSTALLING, USE ONLY TOOLS DESIGNED FOR SERVICING THIS TYPE OF CLAMP, SUCH AS SPECIAL CLAMP TOOL (NUMBER 6094) SNAP-ON CLAMP TOOL (NUMBER HPC-20) MAY BE USED FOR LARGER CLAMPS. ALWAYS WEAR SAFETY GLASSES WHEN SERVICING CONSTANT TENSION CLAMPS.

CAUTION: A number or letter is stamped into the tongue of constant tension clamps. If replacement is necessary, use only an original equipment clamp with matching number or letter.

If water pump is being replaced, do not unbolt fan blade assembly from thermal viscous fan drive.
Remove two fan shroud-to-radiator nuts Fan Shroud Mounting Hardware Do not attempt to remove fan shroud at this time.
Remove fan shroud and fan blade/viscous fan drive assembly from vehicle as a complete unit.
After removing fan blade/viscous fan drive assembly, do not place thermal viscous fan drive in horizontal position. If stored horizontally, silicone fluid in viscous fan drive could drain into its bearing assembly and contaminate lubricant.
Remove accessory drive belt as follows: The drive belt is equipped with a spring loaded automatic belt tensioner. Relax tension from belt by rotating tensioner clockwise (as viewed from front) Automatic Belt Tensioner - When all belt tension has been relaxed, remove accessory drive belt.
Remove lower radiator hose clamp and remove lower hose at water pump.
Remove seven water pump mounting bolts and one stud bolt
CAUTION: Do not pry water pump at timing chain case/cover. The machined surfaces may be damaged resulting in leaks.

Remove water pump and gasket. Discard gasket.
INSTALLATION
Clean gasket mating surfaces.
Using a new gasket, position water pump and install mounting bolts as shown. Water Pump Installation - Tighten water pump mounting bolts to 54 N·m (40 ft. lbs.) torque.
Spin water pump to be sure that pump impeller does not rub against timing chain case/cover.
Connect radiator lower hose to water pump.
Relax tension from belt tensioner Automatic Belt Tensioner - Install drive belt
CAUTION: When installing the serpentine accessory drive belt, belt must be routed correctly. If not, engine may overheat due to water pump rotating in wrong direction. Refer to Belt Routing for correct belt routing. Or, refer to the Belt Routing Label located in the engine compartment. The correct belt with correct length must be used.

Position fan shroud and fan blade/viscous fan drive assembly to vehicle as a complete unit.
Be sure the upper and lower portions of the fan shroud are firmly connected. All air must flow through the radiator.
Install two fan shroud-to-radiator nuts Fan Shroud Mounting Hardware
Be sure of at least 25 mm (1.0 inches) between tips of fan blades and fan shroud.
Install fan blade/viscous fan drive assembly to water pump shaft.
Fill cooling system. Refer to Refilling the Cooling System in this group.
Connect negative battery cable.
Start and warm the engine. Check for leaks

Jan 10, 2009 | 2000 Jeep Grand Cherokee

2 Answers

Serpentine belt


You may want to check your water pump. that's what ate my belts up

Dec 03, 2008 | 1996 Jeep Grand Cherokee

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