|12-01-2008, 07:45 AM||#1 (permalink)|
Date registered: Dec 2007
Vehicle: CLK 430 Cabriolet
Location: Austell, GA
Valve Cover Tightening Sequence and n/lbs
I'm going to replace a valve cover seal and I was wanting to know what the tightening sequence was for the bolts.
Thanks in advance!!!!!
|12-01-2008, 07:11 PM||#3 (permalink)|
It is 9 Nm for the valve cover and 8 Nm for the coils. WIS does not show a tightening sequence. At the dealer most people just use 1/4" air ratchets to tighten down the valve covers, I have yet to see a valve cover break. Are you going to re-seal the chamber on top of the valve cover while you have it off? That is usually the source of the leak and not the bottom gasket.
|12-02-2008, 07:08 PM||#6 (permalink)|
Date registered: Nov 2006
Vehicle: 04 SL500 / 06 ML 500 / JZX VVTI 1JZE
Location: Indyjeho Wa.
Rule of mechanics is to go in a spiral pattern starting in the center, going outwards. Clean both surfaces and remove all leftover material, Good luck
|12-05-2008, 01:24 PM||#7 (permalink)|
Date registered: Oct 2007
Vehicle: '00 CLK430, '87 190E 2.6, '76 BMW 2002A, '02 BMW R1150RS
Location: B'ham, AL
I see the specs above...which I didn't have :-(
Do not over tighten the bolts in the center of the cover (the long skinny ones). They break easy! Found out the hard way; dangit!
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