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  #1  
Old 02-27-2015, 03:59 PM
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02 E53 coolant leak back of M62 eng

Hi,
I have a E53 w/M62 Eng .. 127 k miles. I noticed a coolant leakbottom of trans bell housing . last year I repl the valley pan, o rings coolant pipes. Is there any were else were coolant can be leaking from?
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  #2  
Old 02-27-2015, 04:01 PM
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Did you also replaced any of the coolant hoses in the back of the engine?
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  #3  
Old 02-27-2015, 04:09 PM
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I ck the hoses @ the RR.. They are all OK . even the pipe that connects to heads are OK.
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Old 02-27-2015, 07:07 PM
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L@@king @ some images on the net back of the M62 eng.. Theres a plate odd shape along w/ gasket under plate. In order to get to that plate (back of eng.), the trans has to drop down .
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  #5  
Old 03-03-2015, 05:28 PM
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Quote:
Originally Posted by masangya E53 View Post
L@@king @ some images on the net back of the M62 eng.. Theres a plate odd shape along w/ gasket under plate. In order to get to that plate (back of eng.), the trans has to drop down .
werd. ive read about this too.
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Old 03-03-2015, 05:54 PM
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One last twist: on the the M62 V8 Engine from BMW there is a coolant plate on the back of the engine that is only accessible with the flywheel removed. This plate likes to leak coolant:



Time to get some Prestone stop leaks. LOL
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Lotus Europa 1970 Destroyed by fire
Lotus Europa 1970 S2 Renault Powered
Lotus Type 52 1970 Twincam Webers Powered
PORSCHE 911 Targa 1982 The Garage Queen
Audi Avant donated to Kars for Kids
BMW 525IT Sold
Audi 4000CS Quattro Sold
Jensen Healey Lotus Powered Sold
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Triumph Spitfire 1971 Sold
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  #7  
Old 03-03-2015, 06:06 PM
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mite aswell change out the rr main seal while im in there. wish I had a elec lift. would make life easier.
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Old 03-03-2015, 06:11 PM
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Quote:
Originally Posted by upallnight View Post
One last twist: on the the M62 V8 Engine from BMW there is a coolant plate on the back of the engine that is only accessible with the flywheel removed. This plate likes to leak coolant:
Time to get some Prestone stop leaks. LOL
what a headache
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  #9  
Old 03-03-2015, 07:23 PM
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I would check and recheck and recheck all other potential leak points even those I had worked on as far more likely to be the cause.
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  #10  
Old 03-03-2015, 08:21 PM
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Ya I was thinking checking the valley pan & coolant pipes again.
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