Chevrolet Silverado / GMC Sierra. Manual — part 1357
The inner axle shaft
The inner axle shaft housing
The clutch shaft
The differential carrier case
The ring and pinion gears
The differential assembly
The differential bearings
The carrier connector
Front drive axle clutch shims are available in the following sizes:
1. Install the inner axle bearing and the inner axle seal, if necessary. Refer to Front Drive
Axle Inner Shaft Seal and Inner Shaft Bearing Replacement.
8.25 Inch Axle
9.25 Inch Axle
1.27 mm (0.05 in)
1.30 mm (0.05 in)
1.52 mm (0.06 in)
1.52 mm (0.06 in)
1.78 mm (0.07 in)
1.80 mm (0.07 in)
2.03 mm (0.08 in)
2.03 mm (0.08 in)
2.29 mm (0.09 in)
2.30 mm (0.09 in)
2.54 mm (0.10 in)
2.54 mm (0.10 in)
2.70 mm (0.11 in)
2.80 mm (0.11 in)
3.05 mm (0.12 in)
3.05 mm (0.12 in)
3.30 mm (0.13 in)
3.30 mm (0.13 in)
3.56 mm (0.14 in)
3.55 mm (0.14 in)
3.81 mm (0.15 in)
3.80 mm (0.15 in)
-
4.05 mm (0.16 in)
-
4.30 mm (0.17 in)
-
4.55 mm (0.18 in)
-
4.80 mm (0.19 in)
2008 Chevrolet Silverado 1500
2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 134: Front Drive Axle Components
Courtesy of GENERAL MOTORS CORP.
2. Install the following components into the inner axle shaft housing:
1. Install the inner axle shaft (1) into the inner axle shaft housing (4).
2. Install the thrust washer (with tabs) (5).
Ensure the tabs on the thrust washer are aligned with the slots in the inner shaft
housing.
3. Install the thrust washer (without tabs) (6).
4. Install the retaining ring (7) into the inner axle shaft (1).
3. Install the inner axle shaft housing into a vise. Clamp only on the mounting flange of the
inner axle shaft housing.
4. Push on the inner end of the inner axle shaft and move the shaft outboard as far as it will go.
IMPORTANT: In order to obtain an accurate measurement, the inner axle
shaft must be moved outwards before measuring.
2008 Chevrolet Silverado 1500
2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 135: Using J 34672 To Measure Inner Axle Shaft Distance
Courtesy of GENERAL MOTORS CORP.
5. Install the J 34673 (1) and the J 34672 (2) onto the inner shaft housing as shown. See
Special Tools.
6. Using the J 34672 , measure the distance from the edge of the inner axle shaft to the surface
of the J 34673 . See Special Tools. Ensure the base of the J 34672 is flat against the inner
2008 Chevrolet Silverado 1500
2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
axle shaft. See Special Tools.
Fig. 136: Measuring Differential Carrier Housing Machined Surface To Front Drive
Axle Clutch Shaft Outer Surface
Courtesy of GENERAL MOTORS CORP.
7. Using the J 34672 , measure the distance from the machined surface of the differential
carrier housing to the outer surface of the front drive axle clutch shaft. See Special Tools.
8. Subtract the measurement obtained in step 6 from the measurement obtained in step 7.
This measurement is the distance between the inner axle shaft and the clutch shaft before
subtracting the J 34673 . See Special Tools.
2008 Chevrolet Silverado 1500
2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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