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How do you remove the fan clutch 1999 5.7 Liter?

How do you remove the fan clutch from the water pump shaft on a 1999 chevy 5.7 liter engine. Or more accurately, how do you keep the pump from turning while loosening the large nut that goes over the shaft?

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Use a wrench long enough to reach past the fan and use a hammer to impact it loose, also check if it is reverse treaded a lot of them are

Posted on Apr 28, 2010

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How to replace water pump on 4.2 liter 2004 trail blazer LS


4 bolts hold the shroud on. 2 on bottom,2 on top. Leave on in on the top until you remove the clutch fan. Clutch fans are a pain to get off with out the right tools. Once off, remove the bolt from the shroud and pull them out together. Remove the serpentine belt. Remove the pump.

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How do you remove the fan from 1998 f150 4.2 liter


how do you remove the fan and fan clutch from 1998 f150 4.2 liter engine. i am trying to replace the water pump but i cannot get the fan to break loose . i cannot figure how to stop pump from turning while trying to loosen the bolt or nut that holds the fan clutch on the water pump shaft . is there a special tool to help me with this

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I need to remove the cooling fan shroud from my 1995 Lincoln Continental. How is the easiest way to go about this?


Engine Fan REMOVAL & INSTALLATION 3.8L Engines
  1. Disconnect the negative battery cable.
  2. Remove the radiator upper sight shield.
  3. Disengage the electrical connector, then remove the integrated relay control/constant control relay module assembly located on the radiator support.
  4. Disconnect the fan electrical connector. Fig. 1: Disengage the fan electrical connector 86873115.jpg

  5. If necessary, remove the air bag crash sensor.
  6. Unbolt the fan/shroud assembly from the radiator and remove. Fig. 2: Unbolt the fan assembly from the radiator 86873116.jpg
    Fig. 3: Remove the fan from the engine 86873117.jpg
    Fig. 4: Slide the fan as an assembly up and away from the radiator. Be careful not to dislodge the mounting stud on the left side. 93143p56.jpg

  7. Remove the retainer and the fan from the motor shaft and unbolt the fan motor from the shroud.
  8. Installation is the reverse of the removal procedures. Tighten the fan shroud retaining bolt to 23–33 inch lbs. (2.6–3.7 Nm). Tighten the fan shroud retaining nut to 71–106 inch lbs. (8–12 Nm). Fig. 5: Constant control relay module location — 3.8L engines 86873118.gif
4.6L Engine
  1. Loosen the fan clutch-mounting shaft from the water pump hub.
  2. Loosen the fan shroud from its radiator mounting and remove the lower hose from the shroud.
  3. Lift the fan and clutch assembly and the fan shroud from the vehicle.
  4. If necessary, remove the fan-to-fan clutch retaining bolts and separate the fan from the fan clutch. CAUTION
    Closely examine the fan for cracks or separation, to avoid the possibility of personal injury or vehicle damage. To install:
  5. Assemble the fan and fan clutch. Tighten the retaining bolts to 15–20 ft. lbs. (20–27 Nm).
  6. Install the fan and clutch assembly and the fan shroud. Mount the fan clutch shaft to the water pump hub and tighten to 37–46 ft. lbs. (50–62 Nm).
  7. Slip the shroud into the lower mounting clips and install the shroud retaining screws. Fig. 6: Fan and fan clutch assembly — 4.6L engine 84173064.jpg
5.0L Engines
  1. Loosen the fan clutch-to-water pump hub retaining bolts.
  2. If necessary, remove the drive belt from the water pump pulley.
  3. Remove the fan shroud upper retaining screws. Lift the shroud to disengage it from the lower retaining clips.
  4. Remove the fan clutch-to-water pump hub bolts and remove the fan and clutch assembly and the fan shroud.
  5. If necessary, remove the fan-to-fan clutch retaining bolts and separate the fan from the fan clutch. CAUTION
    Closely examine the fan for cracks or separation, to avoid the possibility of personal injury or vehicle damage. To install:
  6. Assemble the fan and fan clutch. Tighten the retaining bolts evenly and alternately to 12–18 ft. lbs. (16–24 Nm).
  7. Install the fan and clutch assembly and the fan shroud.
  8. Install the fan clutch-to-water pump hub bolts.
  9. Slip the shroud into the lower mounting clips and install the shroud retaining screws.
  10. If removed, install the water pump drive pulley and adjust the belt tension; refer to Section 1.
  11. Tighten the fan clutch-to-water pump hub bolts evenly and alternately to 15–22 ft. lbs. (20–27 Nm). Recheck the belt tension.
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Jul 14, 2010 | 1995 Lincoln Continental

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its fairly cheap, looks like a long thin como wrench, and might com in two pcs, one for fan clutch.
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How to replace water pump on 1995 dodge dakato 5.2 liter V8


When I do those I find it's easier to get some of the stuff out of the way. Fan shroud, Alternator, AC compressor(don't remove AC hoses just swing it over to the side) and the AC/alternator mount bracket. If you don't have the special hose clamp plyers they are worth buying. (those clamps are difficult with regular plyers) The fan clutch has a special wrench which is thinner. When you start the job break loose the fan clutch before you remove the belt. It keeps tension on the pulley. The nut is normal threading and usually comes loose with a sharp rap of the hammer on the fan clutch wrench.
Here is an illustration of the water pump bolts. I hope this helps you out. let me know how it goes.6f7219e.gif

Feb 20, 2009 | 1995 Dodge Dakota

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Vehicle information center


1997 jeep Grand Cherokee 5.2 liter V8. Water Pump. When I remove the big nut to remove the clutch fan. Will that lose the pulley that's attached to the water pump? I don't see bolts holding pulley wheel to the water pump? Is it pressed on or will it become loose when I remove clutch fan nut?

Oct 19, 2008 | 1997 Jeep Grand Cherokee

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