Lubricant - GMC 1990 Light Truck Repair Manual

5. Left side gear (46)
6
. Latching bracket assembly (43).
7. Governor assembly (48).
• The straight end of the latching bracket spring
must be over and outside the governor
assembly shaft.
FASTENER
Differential Lockscrew
5 81 2
7V2) 7 /s, and / -in c h .................................................................................................................
91 2
/ -inch.........................................................................................................................................
Color Code
P u rp le ..............................................
W h ite ........ ........................................
Brown................................................
Yellow................................................
Orange..............................................
P in k ..................................................
Green................................................
B lu e ..................................................
B la c k ................................................
71 /2, 7 /a, V
5 8 2
0.10-inch
0.15-inch
0.20-inch
0.25-inch
0.30-inch
0.35-inch
0.40-inch
0.45-inch
/ -, 75/a-lnch
7 1 2
0 022
. -inch
0.027-inch
0.032-inch
0.036-inch
0.040-inch
__
0.044-inch
0.048-inch
0.052-inch

Lubricant

SPECIFICATIONS
THRUST BLOCK SIZES
/ -, 7 /s-lnch
7 1 2 5
1.260-inch
1.264-inch
1.268-inch
1.272-inch
1.276-inch
1.280-inch
1.284-inch
1.288-inch
—
REACTION BLOCK SIZES -
RIGHT HAND SIDE GEAR THRUST WASHER
and 9 Inch Axles
1 / 2
LEFT HAND SIDE GEAR THRUST WASHER
/ -lnch
8 1 2
0 022
. -inch
0.027-inch
0.032-inch
0.036-inch
0.040-inch
—
0.044-inch
0.048-inch
0.052-inch
LOCKING DIFFERENTIALS 4B7-9
8
. Case halves (31) together.
• Hold the side gear in the left side case half.
9. Case screws (32).
10. The ring gear and differential side bearings. Refer to
"Assembly of the Rear Axle" under the "
Ring Gear" heading.
/ -lnch
8 1 2
1.322-inch
1.326-inch
1.330-inch
1.334-inch
1.338-inch
1.342-inch
1.346-inch
1.350-inch
—
IOV -INCH
2
0.675-inch
0.672-inch
0.669-inch
0 666
. -inch
1 0 1 / 2
/ -lnch
9 1 2
0 022
. -inch
0.027-inch
0.032-inch
0.036-inch
0.040-inch
0.042-inch
0.044-inch
0.048-inch
0.052-inch
101
N m FT. LBS.
36
50
/ -lnch
9 1 2
1.598-inch
1.602-inch
1.606-inch
1.610-inch
1.614-inch
1.618-inch
1.622-inch
1.626-inch
1.630-inch
Inch Axles
0.027-inch
0.032-inch
0.037-inch
0.040-inch
0.042-inch
0.044-inch
0.048-inch
/ -lnch
1 0 1 2
0 022
. -inch
0.027-inch
0.032-inch
0.036-inch
0.040-inch
0.042-inch
0.044-inch
0.048-inch
0.052-inch
.................................. 80w90 GL-5
(Do not use limited slip additive.)
2
/ -lnch
27
37