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E34 (1989 - 1995)

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  #1  
Old 10-15-2012, 06:45 AM
MikeyBabii MikeyBabii is offline
Car Crazy
Location: D.C
 
Join Date: Jul 2012
Posts: 20
Mein Auto: 92 BMW 525i
1992 525i Overheating issue!

Does anyone have any idea as to what reason my car is overheating? I can drive it for 15 minutes then it starts to overheat and I get a coolant temperature display. I think it might be the water pump since they are notorious for the plastic impeller failing but cant get the fan clutch off ... The hoses dont have any coolant running thru them when the car is on and pressure is high in the reservoir when overheated. Yes I am a FNG and all help is apreciated THANKS!!!
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  #2  
Old 10-15-2012, 07:26 AM
robertobaggio20 robertobaggio20 is offline
Banned
Location: earth
 
Join Date: Oct 2009
Posts: 3,403
Mein Auto: car
1. Never pour cold water into an overheated engine. Let it cool down for at least 20 minutes.

2. Please read this thread slowly http://www.bimmerfest.com/forums/sho...d.php?t=651325
..it will answer most of your questions.

3. Please read this thread too http://www.bimmerboard.com/forums/posts/697674/

4. Try the stuff listed in both those threads thoroughly. Do not post back here until you've done so.

5. Repost here in your thread if you have further questions after having done what was suggested in both threads..

6. Please download and read through the bentley manual for E34s. There are troubleshooting sections there for overheat issues. Google for this download.

7. Stay calm. Its probably just the water pump and the thermostat. That's what it is most of the time. Good luck.

Last edited by robertobaggio20; 10-15-2012 at 07:30 AM.
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  #3  
Old 10-17-2012, 09:39 PM
japbike736 japbike736 is offline
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Location: Pismo Beach, CA
 
Join Date: Apr 2009
Posts: 108
Mein Auto: 1990 535i, 1999 911
If robertobaggio20 says it you can count on it. He has helped me out several times.
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  #4  
Old 10-18-2012, 03:06 AM
BMWFatherFigure's Avatar
BMWFatherFigure BMWFatherFigure is offline
Old School
Location: Perth, Western Australia
 
Join Date: Aug 2012
Posts: 1,908
Mein Auto: E23;E30;E38;E32;E34 +
Fan clutch is LEFT HAND thread. 32mm spanner size. With tight fan belt fit spanner and hit it as though you are trying to tighten it. Worked for me every time.
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  #5  
Old 10-18-2012, 04:44 AM
snowsled7 snowsled7 is offline
The Ornery Old Man
Location: SW Mountains
 
Join Date: Mar 2012
Posts: 980
Mein Auto: GTI
Quote:
Originally Posted by BMWFatherFigure View Post
Fan clutch is LEFT HAND thread. 32mm spanner size. With tight fan belt fit spanner and hit it as though you are trying to tighten it. Worked for me every time.
THIS^^^

In order to get the wrench into the tight space you can remove a couple of the water pump pulley bolts first, sounds like they will be coming out anyway.
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  #6  
Old 10-18-2012, 04:48 AM
snowsled7 snowsled7 is offline
The Ornery Old Man
Location: SW Mountains
 
Join Date: Mar 2012
Posts: 980
Mein Auto: GTI
Quote:
Originally Posted by japbike736 View Post
If robertobaggio20 says it you can count on it. He has helped me out several times.
More Kool-Aid for you?

I don't see anything there a search wouldn't reveal... and "Don't post back until you have done so." Seriously?

Maybe better to stick with advice from folks who have actually done the work, not just read about it.
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Current ride... '13 GTI Wolfsburg
BMW's from my past...
'92 535i/5 '89 325ix/5
'98 750iL '86 325(e)/5
'95 740iL '84 318i/5

Last edited by snowsled7; 10-18-2012 at 04:51 AM.
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  #7  
Old 10-18-2012, 08:15 PM
japbike736 japbike736 is offline
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Location: Pismo Beach, CA
 
Join Date: Apr 2009
Posts: 108
Mein Auto: 1990 535i, 1999 911
You take yourself to seriously my friend......Lighten up, it's a forum
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