1994 BMW 325 radiator fan

Tiny
VATOHAMMER
  • MEMBER
  • 1994 BMW 325
  • 6 CYL
  • 2WD
  • MANUAL
  • 136,000 MILES
While driving I noticed that the temp was going up, when I was checking the coolant level I noticed that the fan was wedged against the radiator and a couple of the blades were broken. What could have possibly caused this? The radiator was secure and the fan clutch nut was tight. Any help would be appreciated. Your help gets my donation. Thanx
Friday, August 15th, 2008 AT 1:26 PM

2 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi vatohammer,

Thanks for the donation.

I can think of 2 possible causes of the fan blades disintergrating.

1. Blades have cracked due to old age.

2. Debris had gotten to the blades cracking a piece off.

The unbalanced fan would break further when engine rpm gets higher.
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Saturday, August 16th, 2008 AT 9:05 PM
Tiny
DOCHAGERTY
  • MECHANIC
  • 9,603 POSTS
When you are replacing the fan, replace the motor mounts too, They are most likely allowing the motor to move and then the fan touches the shroud and breaks the fan blades.
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Saturday, August 16th, 2008 AT 9:27 PM

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