Remove fan how to take off the fan

1. Disconnect the negative battery cable.
2. Partially drain the cooling fan.
3. Raise and support the vehicle. Refer to Vehicle Lifting.
4. Remove the transmission oil cooler lines from the retainers at the bottom of the cooling fan shroud.
5. Remove the lower fan shroud push pin retainers.
6. Lower the vehicle.
7. Remove the right and the left engine mount struts.
8. Remove the left front fender upper diagonal brace.
9. Remove the radiator inlet hose from the radiator.
10. Remove the air cleaner assembly.
11. If equipped remove the cooling fan heat shields.
12. Disconnect the cooling fan shroud electrical connectors.
13. Remove the cooling fan shroud bolts.
14. Disengage the cooling fan shroud clip from the top of the radiator.
15. Remove the cooling fan shroud.

need to remove the fan unscrew the fan center nut and remove fan blade from motor.to remove fan motor from shroud remove the three mounting screws in back of fan motor.

to remove clutch fan you need to remove upper fan shroud, you need large wrench to remove the fan clutch retaining nut to remove fan and clutch away from the engine drive belt should keep pulley from turning while loosen fan clutch retaining nut.if pulley belt turns while loosen fan clutch bolt remove drive belt use strap wrench hold pulley while you remove fan clutch bolt this procedure for checvrolet if you working on volkswagon you need spanner wrench hold the idler pulley while you use large wrench to loosen the large drive nut to fan clutch. you have to remove fan with clutch from engine then you can remove clutch from fan you can go to auto parts stores rent a spanner wrench try auto zone they rent out tools.

Check to see if the fan on the radiator is working at idle.

Here's information on how to change the fan if needed:

Engine Cooling Fan Removal & Installation 2.4L Engine To Remove:

1. Remove the coolant bottle and set aside.
2. Remove the power steering reservoir and set aside.
3. Disconnect the cooling fan connector.
4. Remove the cooling fan mounting screws and the cooling fan.

To Install:

1. Install the cooling fan and the mounting screws. Tighten to 50 in-lb (5.5 Nm).
2. Connect the cooling fan connector.
3. Install the power steering reservoir.
4. Install the coolant bottle.

3.7L Engine To Remove:
NOTE: If the fan blade is bent, warped, cracked or damaged in any way, it must be replaced ONLY with a replacement fan blade. DO NOT attempt to repair a damaged fan blade.
NOTE: For 3.7L Heavy Duty/Max Cool/Trailer Tow cooling package, the viscous fan cannot be removed separate from the shroud. Both fan and shroud must be removed together.

1. Disconnect battery negative cable.
2. Using special tool #6958 spanner wrench and #8346 adapters, remove the viscous fan from the water pump.
3. Gently lay fan into shroud.
4. Disconnect the electrical connector for the electric fan, then disconnect connector from shroud.
5. Remove the two fan shroud mounting bolts connecting the fan shroud to the radiator.
6. Remove the shroud and fan from the vehicle.

To Install:

1. Install fan shroud assembly into the vehicle. Tighten fan shroud to radiator bolts to 50 in-lb (5.5 Nm).
2. Install shroud mounting bolts tighten bolts to 89 in-lb (10 Nm).
3. Connect fan motor wire connector to harness connector, and attach connector to shroud.
4. Connect negative battery cable.
5. Start engine and check fan operation.

Engine Fan REMOVAL & INSTALLATION Except 5.2L Engines VISCOUS DRIVE FAN

1. Remove the upper fan shroud bolts and lift the shroud from its lower securing tabs. Fig. 1: Remove the fan shroud
   
   
2. Remove the accessory drive belts.
3. Remove the fan flange-to-pulley mounting nuts. Fig. 2: Remove the fan flange-to-pulley mounting nuts . . .
   Fig. 3: . . . then remove the fan assembly
   
   
4. Remove the fan and viscous drive as an assembly.
5. Remove the fan blade-to-viscous drive bolts and separate the assembly. To install:
   
6. Position the fan on the viscous drive. Install the bolts and tighten them to 187 inch lbs. (24 Nm).
7. Position the mounting flange of the viscous drive assembly onto the pulley. Install the nuts and tighten them to 18 ft. lbs. (24 Nm).
8. Install the accessory drive belts.
9. Insert the shroud into its retaining tabs and install the upper bolts.

OK, loss of cooling fan speed. I will say this is plausible. I'll take your word for it (sometimes my online resource is not complete).

Cooling Fan & Shroud Removal & Installation To Remove:

1. Drain the coolant from the engine.
2. Remove the air cleaner assembly from the engine compartment.
3. Remove the air resonator assembly from the engine.
4. Remove the inlet radiator hose from the radiator.
5. Detach the transmission oil cooler lines from the fan shroud.
6. Disconnect the fan clutch connector. Fan clutch removal and installation
   
   
7. Use a J 46406 fan clutch remover and installer to remove the fan clutch from the water pump.
8. Remove the upper mounting bolts from the fan shroud.
9. Remove the fan shroud from the radiator by lifting the shroud and pushing inward.

To Install:

1. Attach shroud to the radiator. Torque the bolts to 21 ft-lb (28 Nm).
2. Use a J 46406 fan clutch remover and installer to install the fan clutch onto the water pump.
3. Connect the fan clutch connector.
4. Attach the transmission oil cooler lines to the fan shroud.
5. Install the inlet radiator hose to the radiator.
6. Install the air resonator assembly onto the engine.
7. Install the air cleaner assembly into the engine compartment.
8. Refill the engine with coolant.

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
   
   
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
   Fig. 3: Remove the fan from the engine
   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.
   
   
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
   

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
   

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.

It's best to remove the battery for enough room the remove the fan assembly. There are 4 10mm bolts holding the assembly to the radiator. Unplug the fan and disconnect anything held to the assembly. Remove the assembly, remove the clip holding the fan blade to the fan, remove the fan blade, unbolt the 3 10mm bolts that hold the fan to the assembly and remove the fan motor.

Radiator Aluminum Core, Crossflow — 3.8L (Base) and 4.6L Engines
Removal

1. Drain engine cooling system as described. Disconnect upper radiator hose (8260) and lower radiator hose (8286) and radiator overflow hose (8075) from the radiator (8005). Disconnect the transmission oil cooler inlet and outlet lines from the radiator.
   

1. Remove cooling fan motor,fan blade (8600) and fan shroud (8146) assembly as described.
   

1. Remove radiator upper bracket retaining bolts and remove bracket. Lift radiator from vehicle.
   

Installation

1. Position the radiator into the vehicle. Install upper brackets and tighten bolts securely.
   

1. Connect the transmission oil cooler lines to the transmission oil cooler fittings.
   

1. Install cooling fan motor, fan blade and fan shroud assembly as described.
   

Engine Cooling Fan Motor, Fan Blade and Fan Shroud Assembly, Electrical Removal

1. Disconnect (pull apart) the male-female cooling fan motor wiring connector at the side of the fan shroud (8146). Remove the male terminal connector retaining clip from the fan shroud mounting tab.
   

1. Remove two fan shroud upper retaining bolts at the radiator tanks.
   

1. Lift cooling fan motor/fan blade (8600)/fan shroud assembly past radiator (8005), disengaging fan shroud from two lower retaining clips.
   

Installation

1. Follow removal procedure in reverse order.
   

1. Tighten fan shroud retaining bolts to 5.2-7.2 Nm (46-63 lb-in).
   
   

HOPE THIS HELPS.

4.9L SFI
SPECIAL SERVICE TOOL(S) REQUIRED Description Tool Number Fan Clutch Holding Tool T84T-6312-C Fan Clutch Nut Wrench T93T-6312-B
Removal

1. CAUTION: The large clutch assembly nut has a right-hand thread and must be rotated counterclockwise to remove it.
   Remove the fan clutch (8A616) from the water pump (8501) by turning the large nut, which is part of the fan clutch, using Fan Clutch Holding Tool T84T-6312-C and Fan Clutch Nut Wrench T93T-6312-B.
   

1. Remove two screws retaining fan shroud.
   

1. Remove the fan blade (8600), fan clutch and shroud.
   

1. If the fan blade and fan clutch have to be separated, remove the remaining bolts attaching the fan blade to the fan clutch
   

5.0L, 5.8L and 7.5L Engines
Removal

1. Remove screws retaining fan shroud (8146) to radiator (8005).
   

1. Remove four screws retaining clutch on water pump hub.
   

1. Pull fan clutch and fan blade off water pump pilot and remove fan clutch, fan blade and shroud from vehicle.
   

1. Remove four screws and separate fan clutch from fan blade.
   

Item Part Number Description 1 8509 Water Pump Pulley 2 57632-S Screw and Washer Assembly, 5/16-18 x .62 Hex 3 8600 Fan Blade (5.0 and 5.8L) 4 8600 Fan Blade (7.5L) 5 8A616 Fan Clutch 6 380288-S2 Screw and Washer Assembly, 5/16-24 x .88 Hex A — 16-24 Nm (12-18 Lb-Ft)