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Registered
Join Date: Mar 2004
Location: Tacoma, WA
Posts: 748
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Weird coolant leak on '88 M30, any help much appreciated.
I have an '88 735il with the M30 6 cylinder. The car has 147k on it and I recently replaced all the belts and hoses. I bled out all the air and everything was going perfectly until a week later the water level started to come down. The next day lots of water was coming out of the area of the rear of the head. I tried to see exactly but there is little room. I'm hoping that the water isn't coming from the head gasket. I also felt a metal plate on the back of the head. Has any one had a similar problem and what was the fix on it?
Thanks, Russell |
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12-06-2004, 02:53 PM
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Still Doin Time
Join Date: Nov 2004
Location: Nokesville, Va.
Posts: 8,225
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Best thing is to obtain a small dental style mirror with a flexible head to get behind there and see exactly where it's leaking. They can be obtained from auto parts store.
__________________
'15 Dodge - 'Dango R/T Hauls groceries and Kinda Hauls *ss '07 Jeep SRT-8 - Hauls groceries and Hauls *ss Sold '85 Guards Red Targa - Almost finished after 17 years '95 Road King w/117ci - No time to ride, see above '77 Sportster Pro-Street Drag Bike w/93ci - Sold |
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12-07-2004, 11:41 AM
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Registered
Join Date: Mar 2004
Location: Tacoma, WA
Posts: 748
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You're right, it seams like the only real positive way to figure it out. I was just hoping someone was unfortunate enough to have had the same problem. Thanks for the response.
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12-07-2004, 12:16 PM
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In the shop at Pelican
Join Date: Aug 2002
Location: Los Angeles, CA
Posts: 10,459
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Could be one of the heater hoses in the back.... or a bad heater core....
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12-08-2004, 09:42 PM
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Registered
Join Date: Mar 2004
Location: Tacoma, WA
Posts: 748
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The problem ended up being a blown head gasket. I haven't seen one fail like this one did but a little hole developed and thats were the leak was at.
If I get the head surfaced must I get the thicker head gasket? |
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12-13-2004, 09:24 PM
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Still Doin Time
Join Date: Nov 2004
Location: Nokesville, Va.
Posts: 8,225
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I would have the machine shop check it first for warpage. No problem taking .008-010" off, just a clean-up if needed.
__________________
'15 Dodge - 'Dango R/T Hauls groceries and Kinda Hauls *ss '07 Jeep SRT-8 - Hauls groceries and Hauls *ss Sold '85 Guards Red Targa - Almost finished after 17 years '95 Road King w/117ci - No time to ride, see above '77 Sportster Pro-Street Drag Bike w/93ci - Sold |
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12-23-2004, 06:32 AM
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