Disassembly Of Second Stage Housing; Cleaning And Inspection Of Parts; Piston And Diaphragm Assembly; First Stage Housing And Valve Mechanism - Pontiac Grand Prix Service Manual

REAR SUSPENSION 4 -9
TUBING MUST HAVE M I N I M U M CLEARANCE
PULL TUBING OUT O F
SLOT A N D APPLY
A N D TAIL PIPES
TAPE AS SHOWN.
BOTH SIDES O F FRAME
/
*B
BOXED SIDE BAR FRAME
(EXCEPT STATION W A G O N )
INSTALLATION O F NUTS TO
FITTING ASSY. (REF.)
PULL TUBING OUT O F SLOT
A N D APPLY TAPE AS S H O W N
ES O F FRAME
SHOCK ABSORBER
- ,
FRAME
VlEW B
INSTALLATION O F CLIP
(BOTH SIDES O F CROSSMEMBER)
VIEW A
C
1 .
INSERT TUBING INTO
*
FITTING UNTIL IT BOTTOMS
INSERT TUBING INTO FITTING
PER
3kr
VEW
c
INSTALLATION O F CLIP
(BOTH SIDES O F
CROSSMEMBER)
STATION W A G O N
ALL MODELS EXC. STA. WAG.
Fig.
4-9
Pontiac Superlift Shock Absorber
the long foot fits into a hole drilled at an angle in the
PISTON AND DIAPHRAGM ASSEMBLY
boss (dee Figs. 4-19 and 4-20).
1. Inspect piston for scoring. Replace if necessary.
5.
Remove intake check valve retaining spring* intake
2. Inspect check valve seat. Seat should be smooth and
check valve and washer, using a pocket knife.
clean.
6 . If necessary, rocker and
arms.
3. Inspect diaphragm for holes, looseness or other
pin with pliers and remove pin (Fig. 4-1
7).
defects. Replace if necessary.
DISASSEMBLY OF SECOND STAGE HOUSING
FIRST STAGE HOUSING AND VALVE MECHANISM
1. Remove check valve in second stage housing by
inserting a suitable punch or piece of 3/32" welding
'
rod through air passage and tapping.
1. Inspect housing for cracks or damage and replace if
necessary.
CLEANING AND INSPECTION OF PARTS
2. Inspect piston bore. Replace housing if scored.
All metal pans should be cleaned in clean solvent and
3. Inspect check valve seat. Seat should be smooth and
blown dry with compressed air.
clean.