Chevrolet 30 Series 1967 Service Manual page 214

REAR SUSPENSION AND DRIVE LINE 4-56
shaft and sleeve assembly, slide seal retainer,
steel washer and cork seal on spline of mating
shaft. Assemble these parts to sleeve by turn­
ing retainer onto sleeve after rear propeller
shaft is installed.
NOTE 2: Tighten front flange (transmission
attachment) nuts to 29-42 ft. lbs., propeller shaft
flange nuts to 100-150 ft. lbs., bearing support
nuts to 25-35 ft. lbs., propeller shaft guard nuts
to 160-180 ft. lbs., and trunnion bearing "U"
clamp nuts to the following torques:
14-18 ft. lbs., 3 /8 "-2 4 — 18-22 ft. lbs.; 7 /16"-24—
29-43 ft. lbs.
NOTE 3: Over torquing "U" clamp nuts will
result in bearing cap distortion which will re­
duce roller bearing life.
SPEEDOMETER GEARS-SPEED ADAPTERS
In some special types of operation, purchasers of
Chevrolet trucks may desire to use tires of a different
1. J-8459 Spring Eye Bushing Remover and Replacement
2. J-21058 Spring Eye Bushing Remover and Replacement
3. J -7079-2 D river Handle
4. J-7574-6 Series C20 Tie Rod Bushing Installer
5. J — 8518 Series C-P10 Tie Rod Bushing Installer
size or rear axles of different ratios than those furnished
as standard equipment for the various units.
or both, of these things will, of course, change tire revo­
lutions per mile and result in speedometer inaccuracies.
When such change or changes are made, it is necessary
to change the speedometer gears or to use a speedometer
adapter with the present gears. In certain combination
changes of both rear axle and tires, it may be necessary
to change the speedometer gears and use, in addition, an
adapter to bring about proper speedometer readings.
Speedometer gear adapters are available if needed, to
5 /1 6 "-2 4 --
be used separately or in conjunction with a change in
speedometer gear sets.
The adapter is installed by removing the speedometer
cable fitting from the transmission case and screwing the
adapter into the case. The speedometer cable is then
connected to the adapter.
When replacing speedometer gears it is very important
that the drive gear be pressed onto the spacer or front
yoke of the universal joint with the shoulder or chamfer
on the gear away from the universal joint.
SPECIAL TOOLS
F ig. 100 - Rear Suspension Special Tools
6. J — 8118 Rear Spring Pin P u lle r (Used w ith J — 2619)
7. J-8448 Series C-P10 and C -30 Control Arm
Bushing Installer
8. J — 2619 Slid e Hammer Assembly
9. J-22620 Spring Eye Bushing Remover and Installer
Either one,
CHEVROLET TRUCK SERVICE M ANUAL