
ACCESSORIES 15-15
Control Valve
1.
Remove control valve unit from car.
2.
Clean exterior of control valve thoroughly.
3.
Connect test gauge and air pressure source to intake
adapter and open air pressure (80-110 psi).
4.
Submerge unit in water. No air should escape if
overtravel lever is in "neutral" position. If bubbles
escape from Superlift port, replace control valve.
5. Shut, off air pressure and detach test gauge from air
intake port. Plug intake port with Fill Valve,
J-21999 (female end).
6. Connect test gauge to Superlift port and open air
pressure.
7. With overtravel lever in "neutral" position no air
should escape. If bubbles escape from exhaust port,
replace control valve.
8. If air escapes around edge of cover plate, tighten
screws on replace gasket.
9. R(emove control valve from water. Actuate over-
travel lever to expel any water from unit.
10.
Sjiut off air pressure and remove line from Superlift
[
Lines and Fittings
1.
Eisconnect overtravel lever from link.
2.
Bold lever up in intake position for maximum Super-
lift inflation and release.
3.
iieak check all connections with a soap and water
splution.
[.
Superlifts
1.
disconnect lines and remove unit from car.
2.
ijiflate individually to 50-60 psi utilizing Fill Valves
jt-21999. Submerge in water and observe unit for
leaks.
3.
Install Superlifts.
SERVICE OPERATIONS
CONTROL VALVE
Removal
1.
Deflate system using service valve.
2.
Disconnect two air lines at leveling valve intake and
Superlift ports.
3.
Disconnect link from overtravel lever by removing
one nut and lock washer.
4.
Remove two screws securing leveling valve to frame
and remove leveling valve.
Installation
1.
Install control valve with two screws, with time delay
mechanism down.
2.
Secure link to overtravel lever with one nut and lock
washer. On all station wagons s'eries the link is se-
cured to the lower hole. On all other series cars
with standard springs, the link is secured to the up-
per hole.
3.
Connect air lines at control valve intake and Super-
lift port.
4.
Inflate reservoir to 140 psi or maximum pressure
available through service valve.
COMPRESSOR, RESERVOIR AND REGULATOR
Removal and Installation
1.
Disconnect air lines (manifold and air cleaner) at
compressor end;
2.
Disconnect pressure line at compressor head.
3.
From wheel side of fender skirt, remove two screws
from bracket on compressor end.
4.
Remove nut and washer from reservoir stud at
bracket and remove assembly from vehicle.
5. Remove compressor end mount bracket.
6. Reverse Steps 1-5 for installation, then leak check
fittings.
COMPRESSOR, RESERVOIR AND REGULATOR
Disassembly Into Major Components (Fig. 17)
The compressor is a precision-built mechanism. All
parts should be carefully handled and assembled. Take
care to prevent entrance of dirt or foreign matter. DO
NOT LUBRICATE as unit is designed to run dry.
1.
Remove compressor as described above.
2.
Remove three flexible mounts and three adapters.
3.
Remove reservoir retaining through bolt, cover re-
taining screw and cover gasket that secure cover and
gasket to first stage housing. Remove cover and
discard gaskets.
4.
Remove two regulator retaining screws, regulator
assembly and O-ring from second stage housing.
Discard O-ring.
5/ Remove three nuts at reservoir flange and two
through bolts that enter from flanged side of res-
ervoir. Separate reservoir and O-ring. Discard
O-ring.
6. Remove three compressor retaining through bolts
that secure second stage housing to first stage
housing.
7. Slide second stage (small diameter) housing straight
off piston.
8. Disconnect arm tension spring from swivel arm.
9. Remove arm pivot screw and actuating arm.
10.
Slide piston assembly straight out of first stage
housing.
Disassembly, Inspection and Assembly of Major
Components (Fig. 17)
Diaphragm
1.
Inspect diaphragm for holes, looseness or other de-
fects and replace if necessary.
2.
Remove diaphragm retainer with diagonal pliers and
discard.
3.
Remove diaphragm plate, diaphragm, second dia-
phragm plate and corprene washer from piston.
4.
Install new corprene washed, old plate, new dia-
phragm with outer lip toward second stage side,
(fig. 17) and second plate. Plates should be installed
so that lip on each plate faces away from diaphragm.
5. Use a 13/16 inch deep socket as a pilot for the new
diaphragm retainer. Press against the piston shoul-
der on first stage side, (fig. 18) to position dia-
phragm retainer. The wood blocks used in the illus-
tration are each 3/4" x 3/4" x 12".
CHEVROLET CHASSIS SERVICE MANUAL

SPECIFICATIONS
HEATING
AND AIR
CONDITIONING
SECTION
1A
Compressor
Make Frigidaire
Type
. 6
Cylinder Axial
Displacement
Four-Season
12.6
Cu.
In.
Universal
and
Ail-Weather
.... .10.8 Cu. In.
Rotation Clockwise
Compressor Suction
and
Discharge
Connector Bolt Torque
.......
25 ft lbs.
Compressor Clutch Coil
Ohms
(at
80°F.).
4.18-4.38
Amps
(at
80°F.)
2.86 @ 12
Volts
Torques
Rear Head
to
SheU Stud
Nut 23 lb. ft
Shaft Mounting
Nut 15 lb. ft
Belt Tension.
See
Tune-Up Chart
System Capacities
Refrigerant
R-12
Four-Season
and
Comfortron
Systems.
............
3 lbs., 12 oz.
Universal Systems
Chevrolet, Chevelle,
and
Camaro.
... 3 lbs.
Chevy
n 2 lbs. 8 oz.
All-Weather System
2 lbs. 8 oz.
Compressor
Oil 525
Viscosity
All Systems
11 oz.
Fuses
Comfortron Systems
.
Four-Season Systems
.
Universal Systems
. .
All-Weather System.
.
Fuse
Block
25
amp.
25
amp.
25
amp.
25
amp.
In
Line
30
amp.
30
amp.
20
amp.
20
amp.
SECTION
3
WHEEL ALIGNMENT SPECIFICATIONS (Vehicle
dt
Curb Weight)
Caster*
Camber*
Steering Axis
Inclination
tToe-In (Total)
Wheel Bearing
Adjustment
Preload
End Movement
Chevrolet
Pos.
3/4° ± 1/2°
Pos.
1/4° ± 1/2°
7-1/2° ± 1/2°
@l/8"
to 1/4"
12 ft lbs.
zero
.001"
to .008"
Chevelle •
(SS and El Camino)
Neg. 1/2° ± 1/2°
(All others)
Neg. 1° ± 1/2°
Pos.
1/2° ± 1/2°
8-1/4° ± 1/2°
1/8" to 1/4"
12 ft lbs.
zero
.001"
to .008"
Chevy n
Pos.
1° ± 1/2°
Pos.
1/2° ± 1/2°
7° ± 1/2°
1/4" to 3/8"
12 ft lbs.
zero
.000"
to .004"
Corvette
Pos.
1° ± 1/2°
Pos.
3/4° ± 1/2°
7° ± 1/2°
3/16" to 5/16"
12 ft lbs.
zero
.001"
to .008"
Camaro
Pos.
1/2° £ 1/2°
Pos.
1/4° ±1/2°
8 3/4° ± 1/2°
1/8" to 1/4"
12 ft lbs.
zero
.001"
to .008"
•Must not vary more than 1/2° from side to side.
@Toe-In (Total) should be 5/16" to 7/16" after rebuild using new bushings and ball joints.
tAdjust Toe-in with steering gear on straight ahead location after camber and caster have been set Any change
in caster and camber settings will affect toe; always recheck and set toe to specifications.
LET CHASSIS SERVICE MANUAL

SPECIFICATIONS
2
RIDING HEIGHT MEASUREMENT*
Chevrolet
All Biscayne
and Bel Air 2 and 4
Doors,
All Impala
and
Caprice
4
Doors
and
All Station Wagons
. . . .
All Impala
and
Caprice
2
Doors
. . . . .
5-1/8"
± 1/2"
5-3/8"
± 1/2"
Chevelle
All Sedans
SS Coupe
and
Convertible
El Camino
and
Station W*
1-3/811
± 1/2"
1-1/8"
± 1/2"
..
2" ± 1/2"
Chevy
u
All
4 and 6
Cylinder Standard
2 and 4
Doors,
All Station Wagons,
and 6
Cylinder Nova
4
Door
All
8
Cylinder Standard
2 and 4
Doors,
All
Nova
2
Doors
and 8
Cylinder Nova
4
Door
. . .
3-3/4'
3-1/4'
±
1/2'
±
1/2'
Corvette
With
327 or 427
Engine
. . . .
327 Engine with
A/C or 427
Engine with
A/C,
P.S.,.and
P.B
Convertible with
327
Engine, Hardtop,
A/C, P.S., P.B., and
Powerglide
427 Engine with Optional Suspension
.
2-1/2"
.
2"
1-1/2"
1-1/2"
±
1/2"
±1/2"
±
1/2"
±
1/2"
Camaro
With
230
Engine
..... . . .
With
250
Engine
.... ...
With
283 - 327 and
350 Engine
2-3/4"
2-7/8"
2-5/8"
± 1/2"
± 1/2"
± 1/2"
•Must be within 1/2" from side to side
BOLT TORQUES
TORQUES
Spherical Joint
Upper Stud
Nut
Lower Stud
Nut
Stud
to
Control
Arm Nuts (Service)
Lower Forging
Nut
Steering
Arm
Attaching Nuts
Shock Absorber
Upper Shaft
Nut
Lower Attachment
Bracket
to
Spring Tower
Stabilizer
Bar
Frame Bracket Bolts
Link Nuts
Strut
Rod
Rod
to Arm Nut
Adjustment
Nut
Front Spring
Spring Seat
to
Control
Arm Nuts
Lower Control
Arm
Inner Pivot Nuts
Upper Control Arm
Attaching Nuts
Collar Bolts
Brake Anchor Pin
Drum Brakes
Brake Anchor Bolt
Disk Brakes
Lower Control Arm
Cross Shaft Bolts
Front
Rear .
Wheel Stud Nuts
Chevrolet
50 ft. lbs.
80 ft lbs.
25 ft. lbs.
40 ft. lbs.
50 ft. lbs.
8 ft. lbs.
15 ft. lbs.
—
15 ft lbs.
8 ft. lbs.
70 ft lbs.
80 ft lbs.
115 ft lbs.
75 ft lbs.
45 ft lbs.
130 ft lbs.
—
65 ft lbs.
Chevelle
50 ft lbs.
80 ft lbs.
25 ft. lbs.
—
85 ft lbs.
8 ft lbs.
20 ft lbs.
—
15 ft lbs.
8 ft lbs.
—
80 ft lbs.
50 ft. lbs.
45 ft. lbs.
130 ft lbs.
—
65 ft lbs.
Chevy H
45 ft lbs.
45 ft lbs.
25 ft lbs.
—
65 ft. lbs.
8 ft lbs.
9 ft lbs.
9 ft. lbs.
9 ft. lbs.
10 ft. lbs.
45 ft lbs.
80 ft lbs.
30 ft lbs.
65 ft lbs.
50 ft. lbs.
50 ft lbs.
130 ft lbs.
_
—
65 ft lbs.
Corvette
45 ft lbs.
20 ft lbs.
20 ft lbs.
—
20 ft lbs.
10 ft lbs.
—
10 ft lbs.
10 ft. lbs.
—
95 ft lbs.
35 ft lbs.
40 ft lbs.
75 ft lbs..
70 ft lbs.
135 ft lbs.
75 ft lbs.
Camaro
50 ft lbs.
65 ft lbs.
25 ft lbs.
—
85 ft lbs.
8 ft lbs.
20 ft lbs.
.
—
15 ft. lbs.
8 ft._lbs.
_
85 ft lbs.
50 ft lbs.
45 ft lbs.
130 ft lbs.
_
—
65 ft lbs.
CHEVROLET CHASSIS SERVICE MANUAL

SPECIFICATIONS 3
REAR SUSPENSION
REAR AXLE
SECTION 4
CHEVROLET, CAMARO, CHEVELLE AND CHEVY II
Gear Backlash . . (.005"-.008" preferred) .003"-.010"
Pinion Bearing Preload (in. lbs.)
New 20-30
Used . 5-15
Lubricant Capacity
Large Carrier 4-1/2 pints
Small Carrier 3-1/2 pints
Bolt Torques (Ft Lbs.)
Carrier Cover 20
Ring Gear 50
Differential Bearing Caps 55
Filler Plug . . 20
Differential Pinion Lock . 20
CORVETTE
Gear Backlash . (.
005"-,
008"
preferred). . .003"-.010"
Pinion Bearing Preload (in. lbs.)
New 20-25
Used 5-15
Lubricant Capacity 3-3/4 pints
Bolt Torques (Ft Lbs.)
Carrier Cover 50
Ring Gear . 50
Differential Bearing Caps . 55
Filler Plug 20
Differential Pinion Lock 20
Type
Heavy Duty Axle
Light Duty Axle
Bolt Torque (ft lbs.)
Spring Retainer
Control Arm Upper
Front Bracket
Upper Bushings
Lower Bushings
Shock Absorber
Upper Nut
Upper Bracket
Lower Nut
Spring Shackle
Front
Rear
Tie Rod
Attaching Nuts
Stud to Axle Bracket
Universal Joint
Companion Flange
Transmission Yoke
Wheel Stud Nuts
Axle Drive Shaft
to Spindle
to Yoke
Chevrolet
4-Link
System
3-Link
System
25
55
70
110
15
65
65
110
15
65
Chevelle
4-Link
System
80
80
12
65
15
65
Chevy H
Semi-Elliptic
Tapered
Single Leaf
40
10
10
50
55
50
15
65
Camaro*
Semi-Elliptic
Tapered
Single Leaf
50
8
10
45
100
50
15
65
Corvette
Independent
Three-Link
System
65
50
35
15
15
75
75
15
@ Station Wagon all
4-Link
System
CHEVROLET a
SfRVK

SPECIFICATIONS
4
Stabilizer Shaft
Bracket to Frame
Bracket to Torque Arm
Link Bushings
Rebound Bumper to Frame
Crossmember to Frame
Crossmember to Carrier
Carrier Front Support
to Crossmember
Front Bolt
Rear Bolt
Drive Spindle Nut
Drive Spindle Support
to Torque Arm
Strut Rod
to Spindle Support
Bracket to Carrier
Camber Cam
Torque Arm Pivot
Spring Link Bolt to
Torque Arm
Wheel Alignment #
Camber (Degrees)
Toe-in (Total)
Chevrolet
Chevelle
Chevy II
I
Cama.ro
j Corvette
i
|
120
1
120
25
j
. ' 20
25
!
60
\
65
!
50*
50
100*
30
80*
45
65
50
Install nut to expose hole (Corvette
then insert cotter pin. only)
-
Neg.
1/2° ± 1/2°
1/32" to 3/32"
©Station Wagon All 4-Link System
•Plus additional torque necessary to line up cotter pin hole.
# Camber must not vary more than 1/2 degree from side to
set.
side.
Toe setting must be made after camber is
RIDING
HEIGHT
Body Style
2 Door Sedan
4 Door Sedan
4 Door Sport Sedan
Sport Coupe
Convertible
Station Wagon
Sedan Pickup
Super Sport Coupe
&
Convertible
6-1/2"
6-7/16"
6-7/16"
6-1/2"
6-7/16"
6-7/8"
± 3/8".
±3/8"
±3/8"
± 3/8"
± 3/8"
± 3/8"
5.0" ±
5.0" ±
5.0" ±
4-3/4"
6-1/2"
6-1/4"
6-3/8"
3-3/8"
3/8"
3/8"
3/8"
± 3/8"
± 3/8"
± 3/8"
± 3/8"
± 3/8"
6-1/8"
6-1/16'
4-15/16'
5-13/16
± 3/8"
± 3/8"
1
± 3/8"
*
± 3/8"
5-1/4"
± 3/8"
5-3/16" ± 3/8"
All settings are made at curb weight.
CHEVROLET
CHASSIS SERVICE MANUAL

SPECIFICATIONS
5
BRAKES
SECTION
5
Type
Brake Drums
Diameter
Maximum
Out of Rou
Maximum Rebor©
id
Brake Shoes
Width Front
Rear
Length Primary
Secondary
Wheel Cylinder Diameter
Front
Rear
Chevrolet
Chevelle
Chevy
H
Camaro
Duo Servo Self Adjusting
11"
9-1/2
9-1/2
.008"
.060"
2-3/4
2
9-1/4
11-41/64
1-3/16
1
2-1/2
2
9
9-3/4
1-1/8
15/16
1-1/16
7/8
2-1/2
2
9
9-3/4
1-1/8
15/16
Corvette
Disc
2-7/32
5-31/32
1-7/8
1-3/8
TORQUE CHART
APPLICATION
Brake Pipe Distribution
and
Switch Assembly Mounting
Screws
Main Cylinder
to
Firewall
Mounting Nuts
Push
Rod
Clevis
Nut
Brake Hydraulic
Pipe
to
Main
Cylinder
and
Switch Connections
Brake Hose
to
Brake
Assembly Connection
Parking Brake Equalizer
Check
Nut
Hydraulic Brake
Pipe Connections
Rear Brake Hose
to
Rear
Brake Line "T" Connection
Caliper Half Retaining Bolts
Caliper
to
Mounting Bracket
Retaining Bolts
Chevrolet
24
lb. ft
14
lb. ft
100
lb. in.
(Front Line)
115
lb. in.
(Rear Line)
23
lb. ft
85
lb. in.
110
lb. in.
113
lb. in.
130
lb. ft
130
lb. ft
Chevelle
60
lb. in.
24
lb. ft
14
lb. ft
115
lb. in.
23
lb. ft
85
lb. in.
100
lb. in.
(Front)
120
lb. in.
(Rear)
113
lb. in.
130
lb. ft
130
lb. ft
Chevy
n
150
lb. in.
24
lb. ft
14
lb. ft
115
lb. in.
2^
lb. ft
—
100
lb. in.
65
lb. in.
130
lb. ft
130
lb. ft
Camaro
24
lb. ft
14
lb. ft
115
lb. in.
23
lb. ft
85
lb. in.
100
lb. in.
113
lb. in.
130
lb. ft
130
lb. ft
Corvette
90
lb. in.
24
lb. ft.
14
lb. ft.
115
lb. in.
23
lb. ft
70
lb. in.
100
lb. in.
113
lb. in.
130
lb. ft
130
lb. ft
CHEVROLET CHASSIS SERVICE MANUAL

SPECIFICATIONS
18
POWERGLIDE
Transmission Case to. Engine
35 ft. lbs.
Transmission
Oil Pan to
Case
* 8 ft lbs.
Transmission Extension
to
Case
25 ft lbs.
Speedometer Driven Gear Fitting Retainer
'.....- .......
4fft
lbs.
Servo Cover
to
Transmission Case Bolts
.....*.........
20 ft lbs.
Front Pump
to
Transmission Case Bolts
... 15 It lbs.
Front Pump Cover
to
Body Attaching Bolts
. . ..•. 20 ft lbs.
Pinion Shaft Lock Plate Attaching Screws
. . . 2-1/2 ft lbs.
Governor Body
to Hub
Attaching Bolts
•„•••........
7 ft lbs.
Governor
Hub
Drive Screw
8 ft lbs.
Rear Pump
to
Transmission Case Bolts
. •
..........
10 ft lbs.
Valve Body
to
Transmission Case Bolts
15 ft lbs.
Valve Body Suction Screen Attaching Screws
. . . . * . . 2-1/2 ft lbs.
Upper Valve Body Plate Bolts
5 ft lbs.
Lower
to
Upper Valve Body Attaching Bolts
15 ft lbs.
Inner Control Lever Allen Head Screw
2-1/2 ft lbs.
Parking Lock Pawl Reaction Bracket Attaching Bolts
10 ft lbs.
Oil Cooler Plugs
at
Transmission Case
. I . . 5 ft lbs.
Pressure Test Point Plugs
.
•-,•••
• •" 5 ft lbs.
Low Band Adjustment Locknut
.....;.
15 ft lbs.
Converter
to
Engine Bolts
......................
i . 35 ft lbs.
Under
Pan to
Transmission Case.
7-1/2 ft lbs.
Oil Cooler Pipe Connectors
to
Transmission Case
or
Radiator
10 ft lbs.
Oil Cooler Pipe
to
Connectors
10 ft lbs.
Vacuum Modulator
to
Transmission Case
15 ft lbs.
Oil
Pan
Drain Plug
20 ft lbs.
Converter Drain Plug (Taxies)
^
.........
20 ft lbs.
Parking Brake Lock
&
Range Selector Inner Lever Allen Head Screw
. . . »..,
......
... . 2-1/2 ft lbs.
TURBO-HYDRAMATIC
Pump Cover Bolts
18 lb. ft
Parking Pawl Bracket Bolts
18 Ib. ft
Case Center Support Bolt
. . .
......
. . . .
<
. . . . .
.........
. 23 lb. ft
Pump
to
Case Attaching Bolts.
. . ..- 18 lb. ft
Extension Housing
to
Case Attaching Bolts.
23 lb. ft
Rear Servo Cover Bolts
. . . . . . . 18 lb. ft
Detent Solenoid Bolts
7 lb. ft
Control Valve Body Bolts
8 lb. ft
Bottom
Pan
Attaching Screws
.. \ 12 lb. ft
Modulator Retainer Bolt
.*........
; . . . . . . . 18 lb. ft
Governor Cover Bolts
...........................
18 ib. ft
Manual Lever
to
Manual Shaft
Nut . . 8 lb. ft
Manual Shaft
to
Inside Detent Lever
. 18 lb. ft
Linkage Swivel Clamp
Nut 43 lb. ft
Converter Dust Shield Screws
93 lb. ft
Transmission
to
Engine Mounting Bolts
:............
28 lb. ft
Converter-to Flywheel Bolts
. . 33 lb. ft
Rear Mount
to
Transmission Bolts
. . . . 40 lb. ft
Rear Mount
to
Crossmember Bolt
* 40 lb. ft
Crossmember Mounting Bolts . .
...............
25 lb. ft
Oil Cooler Line . . . .' 113 lb. In.
Line Pressure Take-Off Plug . . .... 13 lb. ft
CHEVROLET CHASSIS SERVICE MANUAL

SPECIFICATIONS 20
TORQUE CHART
Steering Gear Mounting
Bolts
Pitman Shaft Nut
Steering Wheel Nut
Steering Wheel Nut-Tilt
Steering Coupling Nuts
Steering Coupling Clamp
Bolts
Tie Rod End Nut
Tie Rod Clamp Nut
Idler Arm Mounting Nut
Steering Wheel to
Hub (Wood)
Steering Damper Bracket
Frame Nut
Steering Damper Bracket
Relay End Nut
Steering Damper to
Bracket Nut
Steering Damper Bracket
Relay Rod Bolt
Power Steering Pump
Pulley
Power Steering Mounting
Bolt
Power Steering Mounting
Nut
Power Cylinder to Relay
Rod Nut
Power Cylinder to Frame
Bracket
Control Valve to Pitman
Arm
Control Valve Clamp
Bolt
Steering Shaft to Gear
Clamp Nut
Chevrolet
70 lb. ft.
Chevelle'
70 lb. ft.
Chevy H
30 lb. ft.
Camaro
68 lb. ft.
Corvette
30 lb. ft.
140 lb. ft.
^ . 35 lb. ft.
1 lb. in.
1 lb. in.
18 lb. ft.
30 lb. ft.
—
—
1 lb. in.
—
18 lb. ft.
30 lb. ft.
—
35 lb. ft.
130 lb. in.
40 lb. ft.
25 lb. in.
—
— •
—
.—
—
—
v —
—
-
—
—
—
—
25 lb. in.
—
—
—
18 lb. ft.
25 lb. ft.
30 lb. ft.
25 lb. ft.
60 lb. ft.
20 lb. ft.
25 lb. ft.
— .
• ' —
, —
—
-
—
, .p-
—
-
45 lb. ft.
30 lb. ft.
45 lb. ft.
20 lb. ft.
35 lb. ft. .
—•
—
—
45 lb. ft.
25 lb. ft.
.
45 lb. ft.
20 lb. ft.
—
CHEVROLET CHASSIS SERVICE MANUAL