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Axle Assembly Specifications

AXLE ASSEMBLY SPECIFICATIONS

Application INCH Lbs. (N.m)
Pinion Bearing Preload (1)
Fleetwood
8 1/2" Ring Gear
New Bearing 18-36 (2.0-4.1)
Used Bearing 10-15 (1.1-1.7)
9 1/2" Ring Gear
New Bearing 20-25 (2.3-2.8)
Used Bearing 10-15 (1.1-1.7)
Camaro & Firebird
New Bearing 15-30 (1.7-3.4)
Used Bearing 9-15 (1.0-1.7)
Caprice & Roadmaster
New Bearing
7 1/2" Ring Gear 15-30 (1.7-3.4)
8 1/2" Ring Gear 18-36 (2.0-4.1)
Used Bearing 10-15 (1.1-1.7)
Total Assembly Preload (2)
Fleetwood (8 1/2" Ring Gear)
New Bearing 35-40 (4.0-4.5)
Used Bearing 20-25 (2.3-2.8)
Camaro & Firebird
New Bearing 32-55 (3.6-6.2)
Used Bearing 16-28 (1.8-3.2)
Caprice & Roadmaster
New Bearing 35-40 (4.0-4.5)
Used Bearing 20-25 (2.3-2.8)
In. (mm) 
Ring Gear Backlash (All Models) .005-.009 (.13-.23)
Side (Differential) Bearing Preload (3) Slip Fit Plus .008 (.20)
(1) Measured with new collapsible spacer and seal, without ring gear installed.
(2) Measured at drive pinion gear nut.
(3) Add .004" (.10 mm) to each side to preload bearings.