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30-20
1977 PONTIAC SERVICE MANUAL
STEP 8
-
Inspect tubing and fittings from height control valve to shocks a s follows:
A. Check for loose or improperly assembled fittings at shocks andlor height control valve.
Figure 6.
B. Check for possible contact of plastic tubing with exhaust system.
Proceed to Step 9
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1
Replace tuding as required
Tighten andlor replace fittings
and repeat Step 6
as required and repeat Step 6.
(Refer to Figure 6 for correct
assembly of fittings)
Tubing and fittings okay
TUBING TO SHOCK ABSORBERS
1
HIGH PRESSURE TUBING FROM COMPRESSOR
FIGURE 7'-INSPECTING HEIGHT CONTROL VALVE
STEP 9
-
Insmct each shock visuallv a s follows:
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Tubing damaged by exhaust
system andlor kinked
~nsbect each shock absorb& rubber air sleeve for a rupture condition. NOTE: If rupture appears
to be caused by rubbing or interference condition, be sure to correct this condition when
installing replacement shockb).
1
Fittings loose andlor improperly
assembled
Proceed to $;ep 10
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Replace shock(s) and recheck
system per Step
6
1705
Shock air sleeves appear okay
FIG. 3 0 - 2 7 AUTOMATIC LEVEL CONTROL DIAGNOSIS
Shock air sleeve(s) ruptured
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