1989 Cadillac Brougham what is it called

1989 CADILLAC FLEETWOOD BROUGHAM
170,000 MILES • V8 • 2WD • AUTOMATIC
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BIGGDRIZZ
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I have a 1989 cadillac fleetwood brougham and the rear end differential has a washer in between the ring gear and the housing some say its a thrust washer is this true if not what is it called?
Sep 25, 2010 at 9:36 AM
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FACTORYJACK
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If you are talking of the shim between the differential carrier, and the axle housing, it is a select thickness spacer. Altering the dimension of this spacer will affect differential backlash and preload adjustments, as well as the gear contact pattern. If it is original, it is most likely cast iron, with colored dots on the outer circumference. The replacement spacers have one ring and use a combination of metal shims to achieve the thickness.
Sep 25, 2010 at 10:59 PM
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