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Heater Blower Fix

waynemex

New Member
Hi All,

My car went in for its last service and the main stealer quoted £386 to fix my non functioning blower fan. Had a quick look and thought I would share a mini fault finding guide.

Started by removing the rh plastic scuttle plate(used also to access the pollen filter)

From reading a bit on here the £100 resistor seems to be the fave fail point, usually diagnosed by only having full speed available on the fan. Checked mine with a multimeter, 12v DC was present from the terminals on the resistor module going out underneath to the blower fan.
a2e85aa0.jpg


So suspect the fan motor itself, removed 5 small 6mm headed bolts, fan moulding came away from main housing. Remove cable plug and 2 self tapping screws securing motor to housing. Checked both motor brushes, one was fine, one was corroded in its brush holder, took a pic but hard to see
3f88ae09.jpg


Removed corroded and jammed brush, cleaned up, refitted, reassembled and jobsagoodun!

Whole job should take less than about 45 mins including a brew [smilie=icon_cheers.gif]
 
great work, glad to hear it was so simple and thanks for sharing the guide with us!!! :approve:
 
Excellent work Wayne :bow: definately one for the knowledge base and a slightly better solution than the £386 [smilie=icon_eek.gif] [smilie=icon_eek.gif] your friendly dealer quoted :rollseyes:

Phill
 
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