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#1
12-01-2017, 04:56 PM
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adj. valves, checked chain stretch
Checked and adjusted valves today even though it was not needed, the real reason was I wanted to check chain stretch. Last adjustment was 5500 miles ago. Two of the exhaust valves were 0.013" instead of 0.014", rest were all per spec. Per the pics, what is my chain stretch?
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85 300D turbo pristine w 157k when purchased 161K now 83 300 D turbo 297K runs great. SOLD! 83 240D 4 spd manual- parted out then junked 
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#2
12-01-2017, 09:12 PM
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Looks spot on to me.
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#3
12-01-2017, 10:03 PM
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1-2˚ would be my best estimate. The width of the end of the pointer. Doesn't seem worth worrying about yet.
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Current stable: 1995 E320 149K (Nancy) 1983 500SL 120K (SLoL) Black Sheep: 1985 524TD 167K (TotalDumpster™) Gone but not forgotten: 1986 300SDL (RIP) 1991 350SD 1991 560SEL 1990 560SEL 1986 500SEL Euro (Rusted to nothing at 47K!)
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#4
12-01-2017, 10:25 PM
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Anyone know where in the FSM is the chain stretch check procedure? I couldn't find it.
How many degrees apart are those marks on the harmonic balancer?
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85 300D turbo pristine w 157k when purchased 161K now 83 300 D turbo 297K runs great. SOLD! 83 240D 4 spd manual- parted out then junked
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#5
12-01-2017, 11:46 PM
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The dash marks are 5˚ apart, they're marked every 10˚. No answer on the FSM procedure for chain stretch, but you did it pretty much how I was taught and the common procedure on the forum. Align the cam until the timing marks are aligned, then measure degrees on the balancer. I'm sure there's some procedure out there to get really anal about things with a dial gauge, but meh...
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Current stable: 1995 E320 149K (Nancy) 1983 500SL 120K (SLoL) Black Sheep: 1985 524TD 167K (TotalDumpster™) Gone but not forgotten: 1986 300SDL (RIP) 1991 350SD 1991 560SEL 1990 560SEL 1986 500SEL Euro (Rusted to nothing at 47K!)
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#6
12-02-2017, 04:55 PM
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Quote:
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1980 240d , chain elongation, cam marks reference: http://www.peachparts.com/shopforum/showthread.php?threadid=10414 http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html evap fin cleaning: http://www.peachparts.com/shopforum/showthread.php?t=156207&highlight=evaporator A/C thread http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html
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#7
12-02-2017, 04:58 PM
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Quote:
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1980 240d , chain elongation, cam marks reference: http://www.peachparts.com/shopforum/showthread.php?threadid=10414 http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html evap fin cleaning: http://www.peachparts.com/shopforum/showthread.php?t=156207&highlight=evaporator A/C thread http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html
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