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Old 07-07-09, 02:18 AM
z06bigbird z06bigbird is offline
Cadillac Owners Connoisseur
Cadillac(s): Sedan de Ville, CTS
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Join Date: Mar 2007
Location: San Antonio, Tx
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Re: Goodby STS, Hello CTS

You have a great CTS. To identify rear end problem, put car in reverse and accelerate while turning steering wheel to hard right; then hard left (while accelerating). If you hear a chattering, then rear is defective. If no chattering, you are ok.

Only synthetic oil for engine.