I was wondering, on a 560 SEL, do I have the plastic tubes? Are they hard to replace, and are they a regular maintenence item?
Thanks, Dave.

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ONLY the M119 engines after 1992 have plastic tubes.

However both the M116/117 engines have plastic guides for a metal tube that oils the cam & rockers.. any time the valve cover is off the guides should be checked for "looseness"

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Okay, I'll check it out next time I'm under the valve covers. How do you check for looseness? Just try to move the tube ?
Thanks, and God Bless,
Dave.

__________________
Currently Driving:
1986 Mercedes Benz 560SEL
1994 Lincoln Town Car
1994 Cadillac Deville
1985 Lincoln Town Car- Retired

The Official Car of a Realtor- Lincoln Town Car
The Official Car of the Successful Independent Insurance Agent- Mercedes Benz S Class