I've done all the research and gone to mercedes but to no prevail. I have an 83 300d w123 and my vacuum pump is going bad. I suspect its partially because of the end play in the timing device, given my engine has 600k miles on it, so I plan to go ahead and replace the worn bushing before installing a rebuilt pump. All I need is a new forward timing device bushing but they do not seem to exist.
SOMEONE HELP!

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Sixto
98 E320s sedan and wagon
02 C320 wagon