Date registered: Aug 2009
Vehicle: '85 300D - 381K and increasing daily
Location: Youngstown, OH
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the dreaded timing chain tick?
decided to continue driving the 115 until my 123 front end comes in (thing has camber like a race car!). went to start it the other day and as i was driving, noticed a slight tick in the motor, figured it was cold and would go away after warming up. it didn't. it's NOTICEABLY louder. def. not a rod, as it's too frequent and light. sounds like a very noisy tappet, but it's coming from what sounds to be between the tining sprocket on the cam and the water pump. timing chain's never been changed. '76 300d, 617.912, 228K. or maybe 328k. probably the latter. in an unrelated matter, my rear main seal just crapped out on me. which is simply wonderful...oh well. but anyway...
i'm not sure of its the chain, but unless a better prognosis comes along, is there a tensioner adjustment that can buy me some time before i can start driving the 123? i'd drive it now but i really don't feel like popping a ball joint and folding front end sheet metal on an otherwise pristine car...
'83 300DT -- 284K (rust casualty-gone in 2009)
'76 W115 300D -- spun bearing at 400K+, RIP 10/31/12
'78 300CD -- 159K - sold or crushed by ex (cringe)
'83 240D -- 162K - totalled (not by me) (parts car)
'75 240D -- 91K - clean enough to eat off the frame
'85 500SEL Euro -- 196K - why not?
'85 300DT --
03/16/10 - 243K
05/30/14 - 381K (daily driver - it won't die!)