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#1
03-05-2010, 10:14 PM
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Should one tighten valve cover bolts in a pattern?
Sorry, this seems like such a simple question, but I thought the manual called for a pattern sequence, just like on head bolts. I can find no mention of it in my manual. 15Nm is the torque, but seems to me there should be a sequence, albeit an easy one.
Isn't it just wise to always use a 'star' pattern, or alternate to ensure even pressure?
__________________
Think Alternative Energy!  300CD '80 (now gone but not forgotten...) 
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#2
03-05-2010, 10:17 PM
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I do. but as long as the gasket is on securely, and the cover is seated evenly and nothing is stuck under the gasket. it'll be fine. (assuming you used a new gasket)
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 560SL convertible 1987 190D 2.5-5SPEED!!!  1987 300TD 2005 Dodge Sprinter 2500 158"WB 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#3
03-05-2010, 10:48 PM
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i go diagonally.
__________________
Current Diesels: 1981 240D (73K) 1982 300CD (169k) 1985 190D (169k) 1991 350SD (116k) 1991 350SD (206k) 1991 300D (228k) 2008 ML320 CDI (199k) 1996 Dodge Ram CTD (442k) 1996 Dodge Ram CTD (267k) Past Diesels: 1983 300D (228K), 1985 300D (233K), 1993 300D 2.5T (338k), 1993 300SD (291k)
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#4
03-05-2010, 11:09 PM
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I usually criss-cross my pattern. And I usually tighten one some then the next, and work them down until they are tight. It may not be necessary but it can't hurt. I do the same with oil pans and the like. Maybe not criss-crossing but a work them all down at the same time, not tighten one all the way then go to the next.
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Andrew '04 Jetta TDI Wagon  '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#5
03-06-2010, 12:20 PM
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Quote:
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#6
03-06-2010, 01:24 AM
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First, are you gluing the gasket to the removable part.. the valve cover in this case... with ' yellow death' after cleaning it so you could eat off it ?
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1980 240d , chain elongation, cam marks reference: http://www.peachparts.com/shopforum/diesel-discussion/10414-help-i-need-check-stretch.html http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html evap fin cleaning: http://www.peachparts.com/shopforum/diesel-discussion/156207-photo-step-step-post-showing-w123-evaporator-removal-1983-240d-1982-300td.html?highlight=evaporator A/C thread http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html
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