Chevrolet 10 Series 1970 Service Manual page 150

FRONT SUSPENSION 3-2
join ts. A c o il spring is located between the lo w e r control
arm and a fo rm ed seat in the suspension crossm em b er,
thus the lo w e r con trol arm is the load ca rry in g m em ber.
The double acting shock ab sorbers are also attached to
the lo w er con trol arm s and connect with the fram e to the
re a r on the upper end. The forw ard control P - 10-20-30
s e r ie s is equipped with a s ta b iliz e r bar connected to the
lo w e r control arm and tra n s v e rs e ly mounted to the fram e
side m em bers. The fron t wheel bearings are tapered
r o lle r type on the above m odels.
The I-B ea m axles used on a ll 40-60 S eries a re of the
conventional re v e r s e E llio tt type, with solid kingpins and
gla ss fille d polycarbonate
knuckles. The springs are C h evrolet V a ri-R a te , bushed
at the fron t eye only and mounted to a rig id hanger. The
re a r end o f the spring rid es in a special hanger designed
to p ro vid e a re la tiv e ly low spring rate at curb loads with
in creased rate at higher loads.
Front wheel bearin gs a re
m odels.
WHEEL BEARINGS—ADJUST
10 Series
1. R aise v e h icle on hoist and rem ove wheel and tire
assem bly. Rem ove dust cap fro m
withdraw spindle cotter pin.
LOWER CONTROL ARM
F ig . 1— Ind epe nde nt Front Suspension
o r d elrin bushed steering
tapered r o lle r type on a ll
MAINTENANCE AND ADJUSTMENTS
end of hub and
The " I - B e a m " axle is o f the conventional re v e rs e
E lliott type, with spring and steerin g stop screw seats
forged in tegral with the " I-B e a m " . Constant diam eter,
solid kingpins are used with the fu ll-floa tin g, glass fille d
polycarbonate, steerin g knuckle bushing.
spindles are cast in tegral with the steerin g knuckles;
front wheel bearings are tapered r o lle r type.
The front spring assem bly in corp orates the b erlin -typ e
sprin g eyes. The front eye is single-w rapped and has a
rubber insulated steel bushing through which the spring
is bolted to the spring front hanger.
shackle mounted through rubber bushings to the spring
r e a r hanger.
The K s e rie s "F o u r-W h e e l D r iv e " veh icles in corp o­
rate a d rivin g front axle, tapered le a f springs, and
d irect-a ctin g hydraulic shock absorbers.
S ervice operation may be found at the back of this s e c ­
tion. Front axle d ifferen tia l w ill be found in Section 3
Truck Overhaul. The adapter and tran sfer case are c o v ­
ered in Section 7 Truck Overhaul.
2. Tighten adjusting nut to 15 lb. ft. while rotating hub
in both d irection s.
NOTE: This adjusting nut to spindle fasten er is
an important attaching
a ffect the perform an ce o f vital components and
UPPER
CONTROL ARM
FRONT HUB
AND BRAKE
DRUM
F ron t wheel
The re a r eye is
part in that it could
CHEVROLET TRUCK SERVICE MANUAL