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 MANUALSCHEVROLET1979LUV RWD, AUTOMATIC TRANS, TRANS MFR CD 200CREPAIR AND DIAGNOSIS (SINGLE PAGE)STEERINGPOWER STEERINGSTEERING GEARS & LINKAGE - RECIRCULATING BALLADJUSTMENTPRELOAD & LASH
1979 Chevrolet Luv RWD, Automatic Trans, Trans Mfr CD 200C
Preload & Lash
1979 Chevrolet Luv RWD, Automatic Trans, Trans Mfr CD 200CSECTION Preload & Lash
- Disconnect battery ground cable. Remove pitman arm nut and mark relative position of arm to shaft. Remove arm using suitable tool. Remove horn shroud and spring.
- Turn steering wheel in one direction until stopped by gear, then turn back half way.CAUTION: Do not turn wheel hard against stops, as damage to ball guides may result.
Measure and record "bearing drag" by applying torque wrench to steering wheel nut and rotate through 90° arc.
NOTE: Do not use a torque wrench having a maximum reading of more than 50 INCH lbs. - Adjust sector lash by turning steering wheel from one stop to the other, turn wheel back exactly halfway (to obtain center position), then turn sector adjusting screw clockwise to eliminate backlash between ball-nut and sector gear. Tighten lock nut.
- Check torque at steering wheel nut, taking highest reading as steering wheel turns through center. Torque should be 3.5-8.5 INCH lbs. (4.0-9.8 cmkg). If not, loosen lock nut and readjust sector screw. Tighten lock nut and recheck torque at steering wheel.
- If maximum specification is exceeded, turn adjusting screw counterclockwise, then turn adjuster lock nut clockwise. Reassemble pitman arm to shaft, lining up marks made during removal. Tighten pitman shaft nut to specifications. Install horn spring and shroud. Connect battery cable.
RENDER: 1.0x
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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.