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#1
03-20-2005, 11:35 PM
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2002 ML500 Cold Engine Startup noise
I'm getting a noise when I fisrt start up the engine. It sounds like rocker arms out of adjustment, could this just be carbon build up. I never accelerate heavy or even come close to flooring it. not with gas at $2.50 per gal. if it is carbon build up, what do you suggest, or is rocker noise a common problem and needs to be looked at.
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#2
03-20-2005, 11:39 PM
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A friend of mine has a ML500 and MB just replaced the lifters under warranty for the same problem.
Dan
__________________
81 240D 4speed with 300D engine 87 560SL 2005 E320 Yukon Denali Sierra Denali 850 Turbo Volvo 1996 Mustang 1984 Mustang race car 3 Boats
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#3
03-21-2005, 08:41 AM
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Do you use 0W-40 Mobil 1 synthetic oil & have it changed every 10K miles or less?? IF so then a lifter failure is the most common failure! If you don't service the engine like that OR more frequently than that IS the problem
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#4
03-21-2005, 11:07 AM
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2002 ML500 Cold Engine Startup noise
I have alway had the oil changed under the MB service plan, and under 10.000 miles. it started the last oil change in November at 58.000 miles. not sure what oil MB used. I just changed the oil last week and the oil smelled pretty gassy. I'm going to chage it again in a couple thousand miles, what do you suggest.
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#5
03-21-2005, 12:43 PM
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Have the valve cover removed on the side that has the noise & check the lifters. ANY that are loose will need replacement!
IF the engine oil runs 12K-15K even with 0-W40 Mobil1 there will be sludge in the engine! YOU need to change the oil at 10K MAX miles!
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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