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 MANUALSOLDSMOBILE1985DELTA 88 V6-231 3.8LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCRANKSHAFT POSITION SENSORSERVICE AND REPAIR
1985 Oldsmobile Delta 88 V6-231 3.8L
Crankshaft Position Sensor: Service and Repair
1985 Oldsmobile Delta 88 V6-231 3.8LSECTION Service and Repair
Fig. 30 C3I crankshaft sensor installation.:
Fig. 31 Crankshaft/Camshaft Sensor Installation.:
1. Disconnect battery ground cable, then remove sensor 3-way connector.
2. Raise and support vehicle.
3. Rotate harmonic balancer so slot in disc is aligned with sensor, Figs. 30 and 31.
4. Loosen sensor attaching bolt, then slide sensor outboard and remove through notch in sensor housing.
5. Reverse procedure to install. Adjust sensor so that an equal clearance exists on both sides of disc (approximately .030 inch), then tighten attaching bolt and re-check clearance. Readjust as necessary.
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.