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Loose radiator fan pulley - Cars & Trucks

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Tighten the bolts holding the fan onto the pulley on to the water pump hub. bolts with a 10 mm head or around 7/16 sae spanner.

Posted on Dec 26, 2013


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1995 nissan maxima alternator replacement

1995-98 Models
  1. Disconnect the negative battery terminal.
  2. Remove the splash guard on the right side of the vehicle.
  3. Loosen the alternator belt idler pulley.
  4. Slip the drive belt off the alternator pulley.
  5. Remove the four air conditioning compressor mounting bolts.
  6. Remove the radiator fan and fan shroud.
  7. Move the air conditioning compressor forward.
  8. Disconnect the alternator harness connector.
  9. Remove the alternator mounting bolts, and lower the alternator from the vehicle.
To install:
  1. Hold the alternator in place and install the mounting bolts.
  2. Plug in the alternator harness connector.
  3. Move the air conditioning compressor back into location.
  4. Install the radiator cooling fan and shroud.
  5. Install the air conditioning compressor mounting bolts.
  6. Place the drive belt on the alternator pulley.
  7. Tighten the drive belt to the proper tension with the idler pulley.
  8. Install the splash guard.
  9. Connect the negative battery terminal.
Proper belt tension is important. A belt that is too tight may cause alternator bearing failure; one that is too loose will cause a gradual battery discharge and/or belt slippage, resulting in belt breakage from overheating.

May 31, 2016 | 1995 Nissan Maxima

1 Answer

The fan and pulley are loose on my '99 dodge durango which is shaking my belt off into the fan, what would cause this and how can I fix it

You have a bad water pump. Have it fixed ASAP, it can suddenly get worse and send your fan through the radiator! Pretty easy to replace, should cost you around $200 total

Oct 04, 2012 | 1999 Dodge Durango

2 Answers

How do i remove the fan and pulley on a 1987 ford ranger 2.9 v-6?

The question is: How remove clutch in order to remove fan mounted on its engine-side face.
  • Generally, the clutch drive half shaft must be uncoupled from coolant pump (impeller drive) half shaft using special wrench kit available as loaner from AutoZone (free with $79 approx deposit).
  • Best done after shroud & radiator remove after coolant drained.
  1. Uncouple coolant pump and fan clutch drive shaft(s) as follows:
    1. span across combo-pulley-sheaves-unit mounting bolt heads with large tool kit wrench, and
    2. span inline clutch coupling nut with small tool kit wrench. Then,
    3. turn small wrench (and coupling nut) CW while resisting with large wrench (CCW) to turn coupling nut until disengaged from coolant pump drive shaft.
  2. Remove fan/clutch assembly.
  3. Note direction of mounted fan hub and fan blades orientation to ensure proper re-assembly.
  4. On rear of clutch assy, remove 4 bolts to disengage and remove fan.
  5. Assemble new fan to clutch (or, preferably, new clutch and new fan) using new bolts and washers provided with fan.
  6. Couple fan-clutch assy to coolant pump drive shaft as per opposite of uncoupling step 1, above. (Turn inline nut CCW to tighten...30 ft-lb.
  7. Check that fan can be hand turned...CW.)
  8. Rest shroud over and onto fan.
  9. Replace radiator; remount shroud; reclamp hoses, and refill and air purge cooling system.

Aug 12, 2012 | 1987 Ford Ranger

1 Answer

Timming belt replacement video for kia rio 2004

  • Place the drain pan under the radiator drain plug, open the plug and allow it to drain. Close the plug. Loosen the four nuts on the water pump pulley but do not remove them yet. Loosen the adjusting bolts in the alternator and the power steering pump with a wrench, push them away from the belts and remove the belts.
  • 2Remove the bolts securing the fan shroud to the radiator support using a 10 mm socket. Remove the four nuts on the water pump pulley, then remove the fan and shroud as an assembly. Remove the bolts in the crankshaft pulley using a socket. Loosen and remove the crankshaft bolt using a socket.

    • 3

  • Remove the top radiator hose. Extract all the 10 mm bolts securing the top and bottom timing covers and remove the covers.
  • 4Install the crankshaft bolt temporarily. Use a socket on the bolt and turn the crankshaft clockwise until the mark on the crankshaft sprocket aligns with the timing mark on the block at the 12 o'clock position. Look at the camshaft sprockets and make sure the left sprocket has the "I" facing straight up and the right sprocket has the "E" facing up. At the same time, notice that there is a line on each sprocket adjacent to each mark--make sure they line up with the notch on the cylinder head at 12 o'clock. This allows for perfect alignment. If they do not come close to aligning, rotate the crankshaft one more time and they will align.
  • 5Loosen the tensioner bolt and push the tensioner away from the belt. Loosely tighten the bolt to maintain position. Remove the belt.
  • 6Install the new belt starting on the right side away from the tensioner. Keep all the tension on the right side. Loosen the tensioner bolt and allow it to apply tension on the belt. Do not tighten the bolt yet. Rotate the engine two turns clockwise and re-align the timing marks. Tighten the tensioner bolt to 35 foot-pounds.
  • 7Install the timing belt covers. Remove the crankshaft bolt and install the crankshaft pulley. Reinstall the bolt and tighten. Install the radiator shroud and fan as an assembly. Place the fan on the water pump pulley, install the four nuts loosely, install the bolts in the fan shroud and tighten.
  • 8Install the belts around the crank pulley, water pump pulley and alternator and pull the alternator up to tension the belt and tighten the bolts using a socket. Tighten the water pump pulley nuts using a wrench.
  • 9Install the belt on the power steering pump, pull the pump out to tension the belt and tighten the bolts. Install the upper radiator hose. Fill the radiator with antifreeze
  • Jul 27, 2012 | 2004 Kia Rio

    1 Answer

    Windstar overheating problem losing alot of water every time i drive , cant figure out were its going

    first order of business is to see if your leaking, best bet is to start it up and pop the hood, look at fittings and connection, look under the car to see if you have a drip. likely areas are back of water pump, radiator seams, hose ends&connections. look for damaged or cracked & brittle hoses as well. chances are its leaking the water somewhere. if its not leaking then its loosing it because its boiling over when you over heat. if this is the case its either your water pump, thermostat, cooling fan or radiator. you can check your water pump by looking at the weap hole under the pulley and see if its leaking water, or by removing the belt and wiggling the pulley, if its loose or wiggles around the bearing is shot, if it seems good and tight then you should be ok. you can test your thermostat by removing it and placing it in a boiling pot of water and see if it opens up, you can check you fans by simply starting the car and letting it get to operating temperature and seeing the the fan turns on. and you can check you radiator by taking it to a radiator shop and having it tested.

    Feb 11, 2012 | 1995 Ford Windstar

    1 Answer

    My fan is not moving when i start my engine. It's the fan near the radiator?

    Is the belt that goes to the fan pulley assembly loose or missing? Tighten or supply a belt.

    If a belt is present and tight, is the pulley rotating with the belt or stationary? If stationary, then the fan pulley assembly bearing is defective.

    Feb 25, 2011 | 1995 Isuzu Rodeo

    1 Answer

    How to replace a radiator on a1994 toyota land cruiser


    1. Disconnect battery ground cable.
    2. Drain engine coolant.
    3. Remove battery and tray,
    4. Remove radiator grille
    5. Disconnect No. 3 water bypass hose.
    6. Disconnect radiator inlet hose.
    7. Disconnect coolant reservoir hose.
    8. Loosen water pump pulley mounting bolts.
    9. Loosen lock, pivot and adjusting bolts of alternator and remove drive belts.
    10. Disconnect oil cooler hose from clamp on fan shroud, then remove shroud.
    11. Remove water pump pulley mounting nuts.
    12. Remove fan with fluid coupling, water pump pulley and fan shroud.
    13. Disconnect transmission oil cooler hoses.
    14. Disconnect radiator outlet hose.
    15. Remove radiator brackets, then the radiator.
    16. Reverse procedure to install.

    Dec 11, 2010 | 1994 Toyota Land Cruiser

    1 Answer

    Ho do i change the alternator on a 95 Nissan maximum V6.?not your normal swap out,! looks like i have to take out the that so?

    No, but you do have to take the fan and shroud off. then you pull the compressor loose and pull forward.

    1. Disconnect the negative battery terminal.
    2. Remove the splash guard on the right side of the vehicle.
    3. Loosen the alternator belt idler pulley.
    4. Slip the drive belt off the alternator pulley.
    5. Remove the four air conditioning compressor mounting bolts.
    6. Remove the radiator fan and fan shroud.
    7. Move the air conditioning compressor forward.
    8. Disconnect the alternator harness connector.
    9. Remove the alternator mounting bolts, and lower the alternator from the vehicle.

    Oct 25, 2010 | 1995 Nissan Maxima

    2 Answers

    Over heating

    could be a lot of things, most common is a leak in the system that allows the radiator coolant levels to drop causing it to overheat, but you should have seen a low coolant warning light come on in the dash, most cars have this feature. Second most common is a bad thermostat that is stuck closed and will not open at its design can check this out by seeing if you top radiator hose has water running through it when you put your hand around it you can feel the water flow. another least common is a loose serpentine belt or you water pump is actually bad. look at the pumps weep hole is water coming out of it? and can you move the pumps pulley side to side? you should have no play at all in the pulley. Also check your idler pulley for proper spring return tension.

    Apr 08, 2010 | 1999 Ford Taurus

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