I have a 1983 Mercedes 300D that is pushing 283,000 Miles. My friend and I are going to attempt the timing belt chain replacement. I have searched the forums and still am left with a few unanswered questions, so any input would be appreciated.
First> What special tools are needed for the job?
Second> How long on average should this job take?
Third> What parts specifically should be replaced?
Fourth> Any DIY articles on the how to of the job, I have searched the forums and can't find anything specific?
Thanks in advance for any help! Anyone who has done this job themselves - would love to hear from you!!!!!

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1983 300D 292,000 miles
2002 VW Jetta TDI 153,000 miles

Got Diesel?????