Chevrolet 10 Series 1970 Service Manual page 168

FRONT SUSPENSION 3-20
1. J -8 8 0 6 B all J o in t Stud Remover
2 . J — 2 1 830— 7 S pring Bushing R eceive r Bridge
3. J — 2 1 8 3 0 — 4 S prina Bushing R eceive r
7000
4. J — 21979 A x le S pring Bushing R e m o v e r/In s ta lle r
"
5. J -2 1 9 7 8 -1 5000^ A x le S pring Bushing Remover
6. J -2 1 9 7 8 -2 5000# A x le Spr ing Bushing In s ta lle r
Repairs
Steering Knuckle a n d Kingpin
R em ove and s e r v ic e kingpin and steerin g knuckle as
outlined under Steering Knuckle.
A x l e Center
T h ere are two conditions which, if eith er exists w ill
n ecessitate replacem ent o f axle center.
1. If kingpin holes in axle center ends are worn to such
an extent that a new standard o r o v e r s iz e kingpin fits
lo o se ly , axle cen ter must be replaced.
2. If axle cen ter has been twisted o r bent m ore than 5
d eg ree s fro m o rig in a l shape, center should be r e ­
placed. A s a gen eral rule, when an extrem e bent
condition exists, minute fractu res which may be in ­
v is ib le w ill occur, and fa ilu re under ordin ary o p e r­
ating conditions w ill resu lt. Check axle center fo r
tw ist with alignm ent instrum ents.
available, use M agna-F lux method to check axle cen­
te r fo r minute fra c tu re s . A xle centers should always
be straightened cold. Under no circu m stan ces should
heat be applied.
Installation
NOTE: A ll spring attachments, including cen ter
bolts, are im portant attaching parts in that they
could a ffect the p erform an ce of vita l components
and system s, and/or could resu lt in m ajor r e ­
F ig . 4 3 —Front Suspension S pe cia l Tools
p a ir expense.
o f the same part numbers o r with equivalent
parts if replacem ent becom es n ecessa ry. Do not
use replacem ent parts o f le s s e r quality o r sub­
stitute design.
specified during reassem bly to assure p rop er
retention of these parts.
1. R o ll
ra ise up against spring seats, making sure spring
center bolts index in spring seats.
2. P la ce " U " bolts and " U " bolt spacers o v e r springs.
Install
(w here used), " U " bolt nuts and torque as outlined
in Specifications.
3. Connect shock absorber low er eye.
4. Install
If equipment is
knuckle as outlined in Section 5-B rakes.
5. Install steerin g arm and the rod assem bly and torque
bolts as shown in Specifications.
6. P la ce hub and drum assem blies o v e r spindles and
adjust wheel bearin gs as outlined under W heel B ea r-
ings-Adjust.
7. Install wheel and tire assem blies, and lo w e r veh icle.
Check
n ecessary.
8. L o w er veh icle on hoist.
7. J -2 1 0 5 8 N u t, S crew , and Thrust B earing
SPECIAL TO O LS N O T ILLUSTRATED
J — 22 620— 1, 2 S pring Bushing Remover and In s ta lle r
They must be rep laced with parts
Torque values must be used as
axle into position, in sert ca ster shim s, and
shock absorber low er
brake backing plate assem bly to steerin g
fron t end alignm ent
mounting brackets
and adjust where
CHEVROLET TRUCK SERVICE MANUAL