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.
1994 Buick Roadmaster BaseFACTORY OEM SERVICE PROCEDURE
System Check
- Place shift lever in Park position. Turn lock cylinder to OFF-LOCK position. Remove key. If lock cylinder cannot be turned to OFF-LOCK position or key cannot be removed, perform appropriate ADJUSTMENT procedure.
- With lock cylinder in OFF-LOCK position, try to move shift lever out of Park. If shift lever can be moved out of Park, perform appropriate ADJUSTMENT procedure.
- Turn lock cylinder to RUN position. Try to move shift lever out of Park. If shift lever can be moved out of Park, perform appropriate ADJUSTMENT procedure.
- Try to turn lock cylinder to OFF-LOCK position. Ignition switch should stop turning before reaching the OFF-LOCK position, and the key should not be able to be removed. If system does not operate as specified, perform appropriate ADJUSTMENT procedure.
- With key in same position as in previous step (just before OFF-LOCK position), place shift lever in Park position. Turn lock cylinder toward RUN position, and then to OFF-LOCK position. Remove key. Insert key. If system does not operate as specified, perform appropriate ADJUSTMENT procedure.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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