Chevrolet 1988 Light Duty Truck Repair Manual page 312

4C4-20 K TRUCK FRONT AXLE
FASTENER
Ring Gear Bolts . . .
C arrier Case Bolts .
Axle Tube Bolts. . . .
A ctuator....................
Front Axle Switch . .
Drain and Fill Plugs
Pinion Shaft Shims
(K15-25 M odels)..........................................................................................................................................................0.020-0.024-inch
(K35 M o d e ls )............................................................................................................................................................ 0.508-0.5842 mm
Output Shaft Shims
K15-25 M o d e ls ........................................................................................................................1.27. 1.78, 2.29, 2.70, 3.30, 3.81 mm
K35 M o d e ls ................................................................................................................... 1.80, 2.30, 2.80, 3.30, 3.80, 4.30, 4.80 mm
Pinion Preload
Backlash . . . .
(Preferred) .
SPECIFICATIONS
TORQUE SPECIFICATIONS
AVAILABLE SHIM SIZES
PINION PRELOAD AND BACKLASH
N m Ft. Lbs. In. Lbs.
120 88
47 35
30
40
22 16
5.0
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33 24
0.025-0.029-inch
0.030-0.034-inch
0.035-0.039-inch
0.6096-0.7112 mm
0.7366-0.8382 mm
0.8386-0.9398 mm
. . .1.7-2.8 N m (15-25 in. lbs.)
0.08-0.25 mm (0.003-0.010-in.)
.0.13-0.18 mm (0.005-0.007-in.)
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45
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