Oiling a squeaky (heater) blower motor? - Defender Source
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  #1  
Old February 25th, 2014, 07:48 PM
dsh12
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Daniel Hayes
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Oiling a squeaky (heater) blower motor?

Is there a way to oil a squeaky blower motor without taking the heater box apart?
Can you work, for instance, the red straw from a WD40 can in there somehow?
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94D90 NAS 3.9 LT77 LT230T Soft Top

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  #2  
Old February 25th, 2014, 10:18 PM
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John B.
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It is probably the fan rubbing in the case or some dirt. You can try washing it out.
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  #3  
Old February 25th, 2014, 10:24 PM
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Jimmy
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I tried that on mine, and ultimately ended up replacing it. Mine would make a loud screeching noise when the temps were very low. I basically had to turn it off and on until it stopped squealing once the engine had warmed up. If I let it make noise long enough it would blow the fuse.
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Old February 25th, 2014, 11:32 PM
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Jafir Elkurd
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Maybe this?

http://www.amazon.com/3-IN-ONE-10045.../dp/B00065VGUC
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Old October 29th, 2014, 09:10 PM
dsh12
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Daniel Hayes
1994 Defender 90 Soft Top
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Well, for now, I oiled the heater blower motor.

Well, for now, I oiled the heater blower motor. After removing the motor, I concluded the squeak was from the inaccessible rear bearing. In true Land Rover fashion, I drilled a small hole at the top of the dimple on the rear of the motor casing. This is where the rear bearing resides. Using a small straw provided by the oil source, I oiled the bearing. It is working as good as one can expect. In the event that it requires oiling in the future, this can be accomplished with a little finesse without removing the motor.

Ow, this also required a run down to the local hardware store to purchase some foam/spongy insulation strips to replace the rotten one sealing the blower box to the supply vent box.

This will do for now until I find a suitable replacement. All the replacements I have seen are negative body ground. This would require opening the replacement blower motor and cutting then tapping into the ground wire or insulating the motor body from the box and externally attaching a ground wire.
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