Found out what it was!!!! The teeth on the aluminuim colored wheel are gone (missing) in about a 3 inch section, this is causing the clunk and slippage. Is this the teeth on the regulator? There are 2 metal teeth wheels, which one has them the motor or the regulator, or do I need both?

James

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1993 Mercedes Benz 300D 2.5 205K (ex wife's)
1984 Mercedes Benz 300SD 320K (SOLD)
2004 Mercedes Benz C240 75K
1995 GMC Sierra 2WD 5.7L 188K
1983 Mercedes Benz 300SD 239K (SOLD)
1987 BMW 325i 220K (SOLD FOR SALVAGE)

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