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)
(1) Fluid capacities listed are approximate. Always fill to FULL mark.
(2) Does not include oil filter capacity.
(3) Drain and refill capacity only. Does not include torque converter.
(4) Dexron-II.
(5) Manual Transmission Fluid (GM1052931).
Factory Service Tools

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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.