Automatic Transmission Fluid and Filter Replacement. Buick Roadmaster 1996

For 1990-2009 cars

### Removal Procedure

1. Raise the vehicle. Suitably support the vehicle. Refer to General Lifting and Jacking in General Information.
2. Place the drain pan under the oil pan.

Notice: When removing the oil pan bolts, be careful not to damage the oil pan sealing surfaces. Such damage may result in oil leaks in this area.

3. Remove the oil pan bolts from the front and sides only.
4. Loosen the rear oil pan bolts approximately 4 turns.
5. Using a rubber mallet, lightly tap the oil pan or pry the oil pan in order to drain the fluid.
6. Drain the fluid.
7. Inspect the color and condition of the fluid. Refer to Transmission Fluid Check
8. Remove the remaining oil pan bolts, the oil pan, and gasket.
9. Remove the filter and the seal. Use a flat bladed tool in order to pry out the seal.
10. Inspect the filter. Open the filter by prying the metal crimping away from the top of the filter (black) and pull apart.
11. Check the filter for the following conditions:

• | Clutch material

• | Bronze slivers (indicating bushing wear)

• | Steel particles

Important: All traces of gasket material must be removed.

12. Clean the transmission case and gasket surfaces with solvent and air dry.

### Installation Procedure

#### Tools Required

J 36850 Transjel™

1. Coat the new seal with a small amount of J 36850 or equivalent.
2. Install the new seal to the transmission. Tap the seal into place using a suitable size socket.
3. Install the filter into the transmission case.

Notice: Do not reuse automatic transmission bolts and washers if the conical washer is reversed. Failure to replace the oil pan bolts and washers may result in improper fastening of the system components.

4. Inspect the oil pan bolts whenever you remove the bolts from the pan.
5. Install the new gasket and the oil pan.
6. Install the oil pan bolts.

Tighten
Tighten the oil pan bolts to 16 N·m (12 lb ft).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

7. Lower the vehicle.

Notice: Do not overfill the transmission. Overfilling will result in foaming, loss of fluid, and possible damage to the transmission.

8. Fill the transmission with Dexron® III to the COLD fluid level reading.
9. Perform the fluid level checking procedure. Refer to Transmission Fluid Check . Do not overfill.