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Old 01-11-2002, 03:01 PM
downsmith's Avatar
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Join Date: Jul 2001
Location: Oklahoma Sooners Alumnus
Posts: 116
Hi! Two questions about 1985 500SEL...

Is there a fast idle during warmup or not? I just got it back from the mechanic after replacing a leaking vac hose and now the car runs great at startup (even at 17 degree F) but it does not idle any faster than 700 RPM.

Second question: I have oil leaking from both head 240,000 miles, should I go for a rebuild of the top end since the heads will be off anyway? What should be included in it?

Thanks alot in advance!
R. Downs
1985 500SEL (260,000 miles) SOLD!
1974 280 SOLD!
1994 Volvo 850 Turbo Wagon (Yuppie Ice Sled)

"I know I have a Benz and they know it too." If you start bragging about it or shoving in people's face, you then become a Wally; especially to the girls.
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Old 01-11-2002, 11:43 PM
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Hi downsmith, I see no one else has replied so I will give this my best shot based on my experiences with my car. When I start the car in the morning it usually sits at 1100rpm when it is first started. I let the car sit for a minute or two and then I engage drive. The idle while in drive is 650 at rest. With regard to the rebuild of the heads I would guess that at that milage the motor would appreciate new seals at a minimum and guides and a valve job wouldn't go astray if finances permit. Go in there once is my motto. Hope you enjoy your car.

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