Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1967CAPRICE NOT AVAILABLE, 5.3L ENG, NOT AVAILABLE TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)SUSPENSIONFRONT SUSPENSIONAUTOMATIC LEVEL CONTROLTESTING (OFF VEHICLE)LEAK TESTINGHEIGHT CONTROL VALVE
1967 Chevrolet Caprice Not Available, 5.3L Eng, Not Available Trans
Height Control Valve
1967 Chevrolet Caprice Not Available, 5.3L Eng, Not Available TransSECTION Height Control Valve
- Remove control valve from vehicle and clean exterior. Connect test gauge set and air pressure source to intake adapter and apply 80-110 psi.
- Submerge unit in water. With overtravel lever in neutral position, no air should escape. If there are bubbles from shock absorber port, replace valve.
- Shut off air pressure and disconnect test set, then plug intake port with Schraeder valve. Connect test set to shock absorber port and apply air pressure. With overtravel lever in neutral position, no air should escape. If air escapes from exhaust port, replace control valve. If air escapes around edge of cover plate, tighten screws or replace gasket.
- Remove control valve from water and actuate overtravel lever to expel any water, then remove test set and air line.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.