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The fan assembly is under the glove compartment. Remove cover[3 scews] unplug electrical connector. then remove the 3 bolts that hold the fan assembly in the housing. take motor apart and clean check brushes in brush holder, then sand the armature where the brushes ride. Stretch spring on brushes , the put the motor back together. works 95% of the time.
On the 91-99 the blower motor is mounted fan side up motor side down directly above the front passenger's feet. I assume the 01 S is the same. Fan motor sticks out with 3 or 4 vertical screws holding it into the airbox. Disconnect the wires, unscrew the old one, stick a vacuum in and clean out what you can, then put the new one in reverse order.
You have to hold the belt pulley to prevent it from turning, then unscrew the fan clutch by using a wrench or big channel locks on the part of the clutch nearest the pulley. On your Ram it should be a standard( not left handed) thread. You might have to put the old water pump in a vise to hold it while unscrewing the clutch. When you put the clutch back on you just need to snug it up on the water pump, the pump is a reverse rotation so the clutch will not unscrew itself.
The blower is accessible by removing the cover at the top of the firewall in the engine compartment.
Disconnect the negative battery cable. To remove the motor cover, pull off the rubber weatherstrip, cut off wire ties holding the wire that runs diagonally across the cover, unscrew and remove the bolts, and pull the cover aside.
Release the retaining straps, move them to the side, and then remove the blower cover.
Pull off both electrical connectors. Disengage the clamp that fastens the assembly in place by pulling the bottom. Lift out the motor/fan assembly, being careful not to damage the flap underneath.
The fan and motor assembly is balanced at the factory. Do not disturb the orientation of the fan and motor during installation. Place the fan and motor into the heater and install the clamp.
Connect the wires and install the fan cover. Attach the straps.
Install the outside cover and install the 4 bolts. Install new wire ties on the diagonal wire and replace the weather-stripping. Connect the negative battery cable.
1997 Land Rover Discover Heater A/C Dead Mouse/Rat Smell or Fan does not work
Dead mouse in the AC/Heater fan 3rd time for me and $200-$400 each time the dealership cleans it out. So today I did it myself and now mad I spent $800 prior. It’s a bit of a job but once you do it all makes sense.
1) Remove glove box completely – undo the spring loaded latches on each side that hold it open, and then unbolt the hinges (4 bolts)
2) Remove the black cardboard cover completely – 3 plastic clips carefully pull out and rear clip unscrews
3) Now you can see the fan housing in plain view
4) Unplug as many plugs in the fan as possible (remember where they go!)
5) Unclip/unscrew the cables attached to the fan housing
6) Unbolt the 2 bolts up top and unbolt the 2 bolts below
7) Now the fan housing is loose and you can move it but not fully remove it
8) Remove the 3 screws at the bottom of the fan housing (you can see 2 and a 3rd is in the back)
9) Once you remove all 3 screws you can now from the bottom remove and expose the fan
10) If it’s full of **** JACKPOT if it’s not you may have other problems
11) Clean it well and make sure it does not smell
12) Now just follow the directions in reverse to put it back together
13) Once you put the fan back on with the 3 screws maybe test it to make sure it works before completely finishing the job
Hope this helps my 1997 rover smells good and the AC/Heater works great!