Pontiac tempest 1968 Service Manual page 117

4 - 1 4 1968 P O N T I A C S E R V I C E MANUAL
Fig. 4 - 1 7 Removing Diaphragm Retainer
secure with two retaining screws with high pressure
fitting toward reservoir. Tighten to 35 lb. In.
10. Install two adapters and flexible mounts on the
two reservoir (long) bolts that do not go through
cover. Tighten to 28 lb. in.
11. Compressor should be output tested before in­
stallation on car. See Compressor Output Test on
Car.
1 2 . If compressor passes output test, install Com­
pressor, Reservoir and Regulator Valve Assembly
on car.
INSTALLATION OF COMPRESSOR, RESERVOIR
AND REGULATOR VALVE ASSEMBLY
I? I f c
1
Fig. 4 - 1 9 Removing Rocker Arm Pin
TROUBLE DIAGNOSIS TESTS
QUICK CHECK OF AUTOMATIC LEVEL CONTROL
SYSTEM
1. Record rear trim height of empty car (measure
from center of rear bumpter to ground).
2 . Add weight equivalent to two passenger load to
rear of car. Car should begin to level in 4 - 1 5
seconds. Final position
should be with 1 / 2 " of
original measurement.
1. Install assembly in brackets and tighten nuts to
30
lb. in.
2 . Connect high pressure line to regulator valve
and tighten fitting nut to 7 0 lb. in. Install vacuum
line to compressor.
3. Inflate system through service valve to maxi­
mum available pressure (Fig. 4 - 2 6 ) .
NOTE: If available pressure is less than 140 psi,
start engine to build up reservoir to this pressure.
Fig. 4 - 1 8 Removal of Distributor V a l v e
Fig. 4 - 2 0 Instal ling Check V a l v e