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Thread: Focus '99 blower starts and then stops Reply to Thread
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Topic Review (Newest First)
03-14-2013 12:14 PM
scanper Ah well, disaster.
I bought a replacement 2nd hand. I installed it fairly easily.

Tested it on setting 1 - fine
Tested it on setting 2 - good, air coming from the right places.
Tested it on setting 3 - even better, lots of air coming.
Onto setting 4 - noise as if the fan was catching.

Took it apart, couldnt see anything. Couldnt see anything in the drum.

Back together again. Same tests.

Then on setting 4 -CRASH! and the fan blade fell apart.

I cant work out what happened. The plastic cover on the bottom has a small crack in it, but I cant think that caused it. Must be a problem with the motor or blade spinning off centre on high speeds.
03-11-2013 12:50 PM
sailor Yup, the "wobbling" pretty much indicates "shot" - not practical to fix with replacements available....
03-11-2013 01:16 AM
elsolo You can take the plastic cover off the end to see the motor brushes.
Could just need the commutator scrubbed, could be a wasted bearing, etc.

I would just get a whole replacement blower motor for the $50
03-10-2013 05:32 AM
scanper
Quote:
Originally Posted by BC_ZX3 View Post
Try:
http://www.focusfanatics.com/forum/showthread.php?t=245260
for general pics. Might be slightly different on the 99 model.
Thanks. Really helpful. I also found a few other threads on here that helped.

I got the motor out. It wasnt too hard. 3 screws, which were stiff and a bit awkward to reach. (Although removing 14 year old screws is much nicer in the cabin than underneath :))

The motor will run if I give it a push start, but not for long. It squeaks and it wobbles slightly as runs and then stops. Any clues?

Get the feeling it is just done for and I need to get a replacement. I have tried to lubricate what I can see, but no improvement.

Is it possible to strip down the motor further? e.g. remove the fan blade assembly?
03-09-2013 05:39 PM
BC_ZX3 Try:
http://www.focusfanatics.com/forum/showthread.php?t=245260
for general pics. Might be slightly different on the 99 model.
03-09-2013 09:00 AM
scanper I got to the motor and it seems that is the problem. there is power and the fan will go if I push it with my fingers, but then eventually it stops.

looks like I need to take out the motor to inspect it in more detail. that doesn't look easy. any tips?
03-08-2013 03:24 PM
scanper
Quote:
Originally Posted by elsolo View Post
If it does it on all speeds, then it is the fan motor itself.

You may or may not need a new fan motor, without a cabin air filter, debris can get into the fan.

I have (twice) removed leaves that wrapped around the commutator of the motor, and stuck in the squirrel cage, they made all sorts of noise. I since added the cabin air filter to prevent debris from getting into the fan motor assembly.
Thanks. Is it behind the glove box?

It does run ok for a short while, so maybe it is debris.
03-08-2013 01:39 PM
elsolo If it does it on all speeds, then it is the fan motor itself.

You may or may not need a new fan motor, without a cabin air filter, debris can get into the fan.

I have (twice) removed leaves that wrapped around the commutator of the motor, and stuck in the squirrel cage, they made all sorts of noise. I since added the cabin air filter to prevent debris from getting into the fan motor assembly.
03-08-2013 06:18 AM
scanper
Focus '99 blower starts and then stops

I have a '99 focus. The blower has started working intermittently. It starts OK, then after a while it stops, then it restarts. At times it makes a squeak. At others it make a deeper noise.

There is no difference to positions 1-4. All work as bad.

Any ideas?

Is the actual fan unit behind the glove box?

Thanks for any help.

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