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Re: Ugh... Coolant Overheat (archive)

[ Follow Ups ] [ 5-series (E34) Message Board ] [ Msg. Board FAQ ]

Posted by Jeff Goss on January 25, 2000 at 22:30:41:

In Reply to: Ugh... Coolant Overheat posted by DaveR on January 25, 2000 at 22:20:47:

: On my drive home from work (a whopping 4.5 miles), I got a message on my dash indicating the coolant temp was high. Sure enough, the needle was near the top end of the scale. It looked as though the temp continued to climb during the last 1.5 miles.

: Fan clutch? The outside temp was in the upper 40's(F), so I'd be surprised if the fan was needed. Water pump? That'd be my guess.

: No other indications of trouble. Is this something I can trust to a local mechanic to repair, or should I get a tow to a BMW dealer/specialist?

: Car trouble is never fun, but now is a particularly BAD time for this to happen...

: Dave

You're on the right track. Also check the thermostat and bleed the coolant multiple times to make sure there's no air in the system. The E34 is very sensitive to this. Thermo was the problem on mine and only $20 to fix! (I did the install). The waterpump should be making noises if it's bad, listen to it carefully with the hood open to see. Check my website for info on changing the fan clutch. http:\\\~jag62

Jeff Goss
The 535i Website

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