4496Re: [bmw e28] 533i Overheating problems
- Jun 21, 2006It seems the viscous coupler may not be so obvoius to diagnos, eh ?
Turning fan by hand, drag feels proper...and it cranks alot of air when idiling...but i
suppose if it were slipping, that might be hard to determine. Ok time to examine clucth
fan, temp coupling, and THEN focus on radiator. I'll keep you chaps posted.
--- In bmwe28@..., "calmloki" <calmloki@m...> wrote:
> --- In bmwe28@..., harvey kay <bmxbandit78@y...> wrote:
> > It's the viscous coupler, i reckon. Not too expensive
> > to replace and fairly easy if you want to do it
> > yourself. I had same symptoms myself. Good luck
> I concur. Also known as the fan clutch - in my experience it fails by
> NOT engaging when hot. Common common failure resulting in overheating
> at slow speeds. May also be a combination problem with a failure of
> the electric aux. fan to come on at higher engine temps.
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