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#1
11-25-2005, 10:42 AM
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Any know what the torque spec is for the
valve covers? I am going to replacd the right side gasket, I looked thru the shop manual and I found a reference for engine covers and the torque spec of 3NM, sound right? 3NM is less then a pound of torque? thanks
__________________
 Al Lueb1999 C280 54K miles 1979 450 SLC 144K miles 
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#2
11-25-2005, 03:42 PM
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Yes - you do not want to overtighten them or you will ruin the edge of the cover. The gasket compresses only slightly to seal. Do go and buy some new washers.
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Chuck Taylor Falls Church VA '66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe
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#3
11-25-2005, 03:57 PM
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There are washers beneath the bolt head
or inside the cover? The former owner replaced the left side gasket, but never got around to the right, so he gave the gasket to me. As I see it the gaskets groove is slip on hte cover and then the cover re-installed. I count 4 bolts on the cover. Is that correct?
Thanks and I will get some new washers.
__________________
Al Lueb1999 C280 54K miles 1979 450 SLC 144K miles
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#4
11-27-2005, 09:04 PM
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as said earlier, don't overtighten and use new crush washers
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65 190d sold 85 380SE sold 87 560 SL 180K 84 380SE 96K (mint)
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#5
11-28-2005, 11:41 AM
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My mechanic agreed with you 100%. He tightens them
by hand until they he can't get his fingers to move them and then takes a socket wrench and tightens them a 1/2 to quarter turn more or until they are snug. He also said replace the washers.
Thanks again, it is supposed to be 60 degrees tomorrow so I think if I am not to busy I will change the gasket then.
__________________
Al Lueb1999 C280 54K miles 1979 450 SLC 144K miles
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