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Not since it takes 10 minutes to pull the valve (archive)

[ Follow Ups ] [ 7-series (E32) Message Board ] [ Msg. Board FAQ ]

Posted by Rainman on October 09, 2001 at 10:48:13:

In Reply to: I'm not a 735 owner, but... posted by Kevin on October 09, 2001 at 10:36:12:

cover and look.


Shouldn't we be open to the possibility that the problem is not due to loose bolts? An engine with 135K miles on it (I assume joe's salutation reflects information about this vehicle) could be experiencing valve ticking for a number of reasons, one of which is the loosening of the so called banjo bolts.

However, before prescribing the use of the proverbial knife with such certainty, wouldn't it be prudent to inquire as to the weight of the oil used, whether any types of detergents have been added to the oil etc.? Personally I prefer to consider the non-surgical solutions to things like valve ticking before I open up a motor... in this case I would suggest the use of a lighter oil in the winter, use of a flush during the next oil change and perhaps the addition of a detergent such as Rislone that was suggested by Gale a few posts back. In the end it may be loose bolts... I just feel that jumping to that conclusion with so little information - especially when the noise seems to go away when the engine warms substantially, which could indicate the change in viscocity of some sludge or fluids, is a bit premature...

Kevin


east coast is getting colder and with that comes a ticking from the top of the engine that only goes away after very long drive times. Sounds a bit like a diesel but a little more quite.

When should this become a concern. I plan to switch over to mobil 1 soon, maybe it will help.

Thanks!






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