Draining & Refilling
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 1993 Pontiac Sunbird, 1993 Pontiac Grand Prix, 1993 Pontiac Grand Am, 1993 Pontiac Firebird, and 1993 Pontiac Bonneville. However, it is still accessible from the selected car via links, so may be relevant.
- With vehicle raised and large drain pan placed under transmission oil pan, remove front and side transmission oil pan bolts only. Loosen rear pan bolts about 4 turns each.
- Carefully pry pan loose using screwdriver, allowing fluid to drain. Remove remaining bolts, and remove oil pan. Discard old pan gasket. Remove filter and "O" ring or sleeve type seal. Remove any remaining gasket material left on transmission case.
- Thoroughly clean pan, magnet and screen (if metal) with solvent, and then dry using compressed air. Replace paper filter (if equipped). Install NEW "O" ring on pick-up tube or NEW sleeve into pick-up tube recess. Lubricate with clean oil before installation.
- Install filter assembly into pick-up tube recess. Install oil pan using NEW gasket, and tighten pan bolts to specification. See TORQUE SPECIFICATIONS (OIL PAN BOLTS) . Add required amount of fluid to transmission through filler tube.
- Start engine with gear selector lever in Park and parking brake applied. Engage transmission in each gear, ending in Park. Check fluid level with engine warm. Add fluid if necessary. DO NOT overfill.
TORQUE SPECIFICATIONS (OIL PAN BOLTS)
| Transmission | INCH Lbs. (N.m) |
|---|---|
| 3T40 | 97 (11) |
| 4L60 | 144 (16) |
| 4T60 & 4T60-E | 115 (13) |