Chevrolet CHEVY VAN G10 SERIES Service Manual page 267

G eneral D escription ..................................................................... 9-1
M aintenance A nd A djustm ents .......................................... ..... 9-1
L ubrication ................................................................................. 9-1
A djustm ents ......................................................................... ..... 9-1
Steering G e a r .................................................................... ..... 9-1
Steering G ear H igh P oint Centering ..................... ..... 9-3
Steering W heel A lignm ent ..............................................9-3
Steering C olum n Low er Bearing A djustm ent . . .
Shift Tube A djustm ent ................................................. ......9-3
C om ponent R eplacem ent and R e p a i r s .....................................9-4
Steering W heel .................................................................... ......9-4
The steering gear is o f the recirculating ball type. This gear
provides for ease o f handling by transm itting forces from the
w orm shaft to the pitm an shaft through the use o f ball
bearings.
The steering colum n is connected to the steering gear by a
flexible coupling. This coupling incorporates a capturing strap
w hich is designed to prevent colum n-to-coupling deflection
from exceeding the length o f th e coupling alignment pins.
The tilt steering colum n is new for Chevy Van b u t is basically
the same as the 1971 C & K series tru ck colum n. The one-piece
MAINTENANCE AND ADJUSTMENTS
LUBRICATION
Steering Linkage
Every 6000 miles or four m onths, whichever occurs first,
the steering linkage should be lubricated w ith w ater resistant
EP chassis lubricant which meets General M otors Specification
GM 6 0 3 1M or its equivalent.
Steering Gear
The steering gear is factory-filled w ith steering gear
lubricant. Seasonal change o f this lubricant should not be
perform ed and the housing should n o t be d ra in e d -n o lubrica­
tion is required for the life of the steering gear.
Every 36,000 miles, the gear should be inspected for seal
leakage (actual solid grease— n o t just oily film ). If a seal is
SECTION 9
STEERING
CONTENTS OF THIS SECTION
S tandard Steering ................................................................9- 1
Pow er Steering .......................................................................9-17
Special Tools ........................................................................... 9-24
STANDARD STEERING
INDEX
Page
9-3
GENERAL DESCRIPTION
Page
Steering C olum n U pper B e a r in g ........................................ 9 - 4
Steering G ear .........................................................................
Pitm an Shaft Seal ..................................................................
Steering Colum n ..................................................................
Tilt Steering Colum n ...........................................................9 - 9
Steering Linkage ....................................................................
Tie Rod ..............................................................................
Relay Rod ...........................................................................
Idler A rm ...........................................................................
Pitm an A r m .........................................................................
Steering A rm ....................................................................
steering shaft is flanged at the lower end for attach m en t to the
new flexible coupling.
T h e 1 9 7 2 Chevy Van incorporates " Forw ard Steering"
whereas the steering linkage is located forw ard o f the fro n t
crossm em ber. Steering effo rt is transm itted to left and right
han d adjustable tie rod through a relay rod. The relay rod is
connected to an idler arm on th e right and to the pitm an arm on
the left.
replaced or the gear is overhauled, the gear housing should be
refilled w ith No. 1051052 (13 oz. container) Steering Gear
L ubricant which m eets GM Specification GM 4673M , or its
equivalent.
N O TE: Do not use EP Chassis Lube, which meets
GM Specification GM 6 0 3 1 M , to lubricate the gear.
DO N O T O V E R F IL L the gear housing.
ADJUSTMENTS
Steering Gear
Before any adjustm ents are made to the steering gear in an
attem p t to correct such conditions as shim m y, loose or hard
steering and road shocks, a careful check should be made o f
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9-16
C H E V Y V A N SH O P M A N U A L