Suburban 3/4 Ton 4WD V8-305 5.0L (1986)
8.
Remove service spacer and shim, and gauge tool, without disturbing adjustment of tool.
9.
Measure thickness of gauging tool at a minimum of 3 positions, average measurements and record average.
10.
Add thicknesses of service spacer (A), shim (B) and feeler gauge (C), Fig. 15, and record sum.
11.
Apply dimensions obtained in steps 9 and 10 calculation shown in Fig. 15, to determine proper left and right shim thicknesses.
12.
Install shim selected for left side first, then wedge right shim between bearing race and service spacer. Position shims so that chamfer is toward
outside. If chamfer in right shim is not sufficient to allow installation without damaging spacer, grind or file chamfer prior to installation.
If difficulty is encountered installing right shim, partially remove case, insert shim, slide shim and case into position, then seat shim using
soft-faced hammer while rotating differential case.
13.
Install bearing caps and torque bolts to specifications, then check and adjust backlash as needed.
