Mike's Workshop Manuals
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Pontiac
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1969
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Executive Base, 7.0L Eng, Automatic Trans
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Repair and Diagnosis
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Automatic Level Control
Automatic Level Control
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Description
Trouble Shooting
Vehicle Will Not Rise When Loaded
Vehicle Rises When Loaded, But Leaks Down
Vehicle Rises Only Partially When Loaded
Vehicle Rises Too High When Unloaded; Will Not Come Down
Vehicle Rises When Loaded, But Leaks Down While Driving
Testing (On Vehicle)
Notes
Quick Check Of System
Compressor Output
Regulator
Control Valve
Notes
Exhaust (Shock Absorbers Inflated)
Intake (Reservoir at 125 psi Minimum)
Time Delay
Silicone Fluid Replacement
Testing (Off Vehicle)
Leak Testing
Compressor, Reservoir, Regulator
Height Control Valve
Lines & Fittings
Shock Absorbers
Regulator
Adjustment
Trim Adjustment
Removal & Installation
Height Control Valve
Removal
Installation
Compressor, Reservoir, Regulator
Removal
Installation
Overhaul
Compressor Assembly
Diaphragm
First Stage Housing
Check Valve (Second Stage Piston)
Component Reassembly