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#1
05-15-2006, 12:04 PM
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MB 280 SE Coupe -69 6-cyl Valve adjustment
Hi
I am considering doing the valve adjustment on my M130 myselves. Being a novice in this game, I thought I would seek advice amongst you experts  So, first, I have noticed a distinct tickety-click sound from the engine. I know they are a bit noisy in the first place, but this one seems to be above average noisy. Secondly, removing the short, thick air channel between the air-filter and the intake will reveal exhaust comming OUT att idle. This looks strange to me  Thirdly, it lacks the power I would expect from this engine. There may be many reasons for this, I need to do my timing and CO too, instruments have been ordered. So, does this valve timing job require special tools? Again, have patient with a novice.... Learning new things every day 
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1974 MB 230 4 cyl auto Sold 1973 MB 280SE #12004 1970 MB 230/8 #53280 1970 MB 300SEL 6.3 #4509 sold 1968 MB 300SEL 6.3 #0335 1972 MB 280SE 4.5 75k miles sold 1971 MB 230/8 60k miles sold 1972 Volvo 142 60k miles sold 1969 Opel Rekord 1900 sold 1974 L508D Camper 
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#2
05-16-2006, 12:20 PM
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I think you are talking about the hose from the valve cover to the air cleaner. It is not unusual to see a bit of smoke, called "blow by" when it is removed. If it is really pouring out, it indicates piston ring wear.
The valve adustment is not a big deal. To do it right, you will need a 26mm socket to turn the engine to get the lobes of the cam pointing straight up . Be sure to turn it clockwise. It is much easier to do this with the spark plugs removed. The Mercedes wrench is OK, but a 17mm (?) crowfoot wrench can also be used. Sometimes the adjusters are impossible to turn with a wrench, in which case you will need to remove the rocker arm to get a deep-well socket on the adjuster.
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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
05-16-2006, 02:03 PM
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Quote:
No, it's not pouring out, but it's easily noticable. Is it possible to re-use the valve-cover gasket, or must it be replaced once removed once? Tom
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1974 MB 230 4 cyl auto Sold 1973 MB 280SE #12004 1970 MB 230/8 #53280 1970 MB 300SEL 6.3 #4509 sold 1968 MB 300SEL 6.3 #0335 1972 MB 280SE 4.5 75k miles sold 1971 MB 230/8 60k miles sold 1972 Volvo 142 60k miles sold 1969 Opel Rekord 1900 sold 1974 L508D Camper
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