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Old 03-10-2006, 02:21 AM
olpos's Avatar
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Join Date: Sep 2003
Location: san diego.ca.
Posts: 323
M119 Timing chain question,Do the plastic

guides break on these like the M117. From what i read a small plastic part on the M117 breaks and goes under the chain. This gets caught under the cam gear lifting chain and bending the valves.
also on the M117 a very loose chain will wear through one valve cover.
Does the M119 share these problems. I get a little rattle on start up,and will check the chain stretch soon. Waiting for back to heal from fusion.
Worry that a small broken piece of plastic could cause so much grief.

Just wondering about M119, some people say these chains last forever.
This concerns 92 400E
Thanks
Rich

__________________
88 300E White, sold 9-04
88 190E Black 2.3 sold
90 300CE White, Grey sold 12-24-04
92 400E White,Grey Sold 5-06
90 300CE 91K Signal Red,Black Sold 2007
1989 300CE Smoke silver,Tan Sold 1-08
1993 300E 3.2 M104 motor
1991 300CE White,Grey
1994 E420 beautiful car,gone to new home
1994 E320 Smoke an Parchment.Beautiful car
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  #2  
Old 03-10-2006, 02:57 AM
wbain5280's Avatar
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Join Date: May 2001
Location: Northern Va.
Posts: 3,386
Yes, most notably the drivers side chain guide. Change them all and be rewarded with bliss while driving your Mercedes.
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Warren

Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor

Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL

ENTER > = (HP RPN)

Not part of the in-crowd since 1952.
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  #3  
Old 03-11-2006, 05:02 PM
olpos's Avatar
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Join Date: Sep 2003
Location: san diego.ca.
Posts: 323
Thanks for the reply. Looking at the work involved in doing all the guides,this may be more than i would like to tackel. This motor has a lot of guides. Is the drivers side chain guide the one that sits between the two cams on the left bank? Is it worth changing the chain guides that sit between the camshafts on each head or is there another guide that normally breaks. One that would send that piece of plastc under a chain gear.Book time on all guides is 24 hours ,so you can see why i am loking for a easier way
I know that any part could break after a lot of miles, but i am looking to change only the part that has the potential to bend the valves and is a normal high wear item. Hope this makes sense.
Of corse rolling in a chain at the same time.
These questions are because i did all the guides on my M104 motor and found the guide in the crankcase to be like new. Old part looked like the new,almost better quality than the new.These were mercedes parts also.Had that cover off for a leak as that chain does last almost forever on the 104.Hope i did not loose you
Thanks
Rich

__________________
88 300E White, sold 9-04
88 190E Black 2.3 sold
90 300CE White, Grey sold 12-24-04
92 400E White,Grey Sold 5-06
90 300CE 91K Signal Red,Black Sold 2007
1989 300CE Smoke silver,Tan Sold 1-08
1993 300E 3.2 M104 motor
1991 300CE White,Grey
1994 E420 beautiful car,gone to new home
1994 E320 Smoke an Parchment.Beautiful car
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