Chevrolet 1980 Light Duty Truck Repair Manual page 82

4B-12 REAR AXLE DIFFERENTIAL
SERIES 2 0 -3 0 TRUCK DIFFERENTIAL
D ifferential C a se ................................................................... 4B-12
R em oval................................................................................. 4B-12
Side Bearing R eplacem ent.............................................. 4B-13
Ring Gear R ep lacem en t................................................. 4B-14
Disassem bly and R eassem bly....................................... 4B-14
Installation and A djustm ent.......................................... 4B-15
D rive P inion........................................................................... 4B-15
R em oval................................................................................. 4B-15
D isassem bly.......................................................................... 4B-15
In sp ection .............................................................................
R eassem bly........................................................................... 4B-16
n ^ io n and A djustm ent.......................................... 4B-17
md A djustm ents....................... ........................... 4B-17
Fig. 26B~G ear Tooth C ontact Pattern Check
1 0 -1 /2 " RING GEAR
INDEX
Pinion Bearing P reload.................................................... ..4P-17
Side Bearing P r e lo a d ..........................................................
Pinion D epth and Backlash........................................... ..
Gear Tooth Contact Pattern C heck ........................... ..4B-18
D IF F E R E N T IA L CASE
Rem oval
4B-16
fixture.
and allow lubricant to drain into pan.
1. M ount axle assem bly in a bench vise or holding
2. R em ove cover bolts and cover, as seen in figure 2E,
4L-17
4 3-18