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.
1991 Oldsmobile Custom CruiserFACTORY OEM SERVICE PROCEDURE
Engine Controls - Specifications - V8: Capacities
BATTERY SPECIFICATIONS
| Application | Cold Crank Amps @ 0°F (-18°C) | Reserve Minutes | |
|---|---|---|---|
| 4.9L (VIN B) | 770 | 115 | |
| 5.0L (VIN E & F) | |||
| Standard | 525 | 90 | |
| Heavy Duty | 730 | 115 | |
| 5.7L (VIN 7) | |||
| Standard | 525 | 90 | |
| Heavy Duty | 730 | 115 | |
| 5.7L (VIN 8) | 525 | 90 | |
FLUID CAPACITIES
| Application | (1) Quantity - Qts. (L) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crankcase (2) | ||||||||||||
| 4.9L (VIN B) | 5.0 (4.7) | |||||||||||
| 5.0L (VIN E & F) | 4.0 (3.8) | |||||||||||
| 5.7L (VIN 7) | 4.0 (3.8) | |||||||||||
| 5.7L (VIN 8) | 4.0 (3.8) | |||||||||||
| Cooling System (Includes Heater) | ||||||||||||
| 4.9L (VIN 3) | 13.2 (12.3) | |||||||||||
| 5.0L (VIN E & F) | 18.0 (17.0) | |||||||||||
| 5.7L (VIN 7) | 15.0 (14.2) | |||||||||||
| 5.7L (VIN 8) | 17.0 (16.0) | |||||||||||
| Automatic Transaxle/Transmission (3)(4) | ||||||||||||
| 4.9L (VIN B) | 6.0 (5.7) | |||||||||||
| 5.0L (VIN E & F) | 4.9 (4.6) | |||||||||||
| 5.0L (VIN 8) | 5.0 (4.7) | |||||||||||
| 5.7L (VIN 7) | 5.0 (4.7) | |||||||||||
| Manual Transaxle/Transmission | ||||||||||||
| 5.0L (VIN F) | (4) 3.0 (2.8) | |||||||||||
| 5.7L (VIN 8) | (5) 2.2 (2.1) | |||||||||||
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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.