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.
1993 Buick Roadmaster BaseFACTORY OEM SERVICE PROCEDURE
Fluid Capacities
FLUID CAPACITIES
| Application | (1) Quantity Qts. (L) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crankcase | ||||||||||||||
| 4.9L | (2) 5.0 (4.7) | |||||||||||||
| 5.0L | (2) 4.0 (3.8) | |||||||||||||
| 5.7L | ||||||||||||||
| All Except Cadillac Fleetwood, & ZR1 Corvette With LT5 | ||||||||||||||
| With Filter Change | 4.5 (4.3) | |||||||||||||
| Without Filter Change | 4.0 (3.8) | |||||||||||||
| Cadillac Fleetwood | ||||||||||||||
| With Filter Change | 5.0 (4.7) | |||||||||||||
| Without Filter Change | 4.0 (3.8) | |||||||||||||
| ZR1 Corvette With LT5 | ||||||||||||||
| With Filter Change | 8.6 (8.1) | |||||||||||||
| Without Filter Change | 7.6 (7.2) | |||||||||||||
| Cooling System (Includes Heater) | ||||||||||||||
| 4.9L | 12.0 (11.4) | |||||||||||||
| 5.0L | 17.0 (16.0) | |||||||||||||
| 5.7L | ||||||||||||||
| VIN P | ||||||||||||||
| "F" Body | 15.0 (14.0) | |||||||||||||
| "Y" Body | 18.0 (17.0) | |||||||||||||
| VIN 7 | 15.0 (14.2) | |||||||||||||
| Automatic Transaxle/Transmission (3)(4) | ||||||||||||||
| 4.9L | 6.0 (5.7) | |||||||||||||
| 5.0L & 5.7L | 5.0 (4.7) | |||||||||||||
| Manual Transaxle/Transmission | ||||||||||||||
| 5.7L | ||||||||||||||
| "F" Body | ||||||||||||||
| 5-Speed | (4) 3.0 (2.8) | |||||||||||||
| 6-Speed | (4) 4.0 (3.8) | |||||||||||||
| "Y" Body | (5) 2.0 (1.9) | |||||||||||||
|
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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:
- 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.
