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.
1997 Oldsmobile RegencyFACTORY OEM SERVICE PROCEDURE
Auto Test (Automatic Test)
- This test cycles each solenoid valve, pump motor and necessary relays to check component operation. Perform test as follows.
- Using Tech 1, select F4: SPECIAL TESTS and then F1: AUTO TEST. Press ENTER. Valves can be heard and felt cycling from hydraulic control unit. Have assistant verify that pump motor turned on. Go to DIAGNOSTIC TROUBLE CODES table if codes are set.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.