Service Procedure

Inspection of the Retractor Mechanism

Check the retractor for proper operation and the belt for fraying or chafing. If the belt retractor does not function properly or the belt is frayed or chafed, the belt/retractor assembly should be replaced under the normal warranty process.

Buckle Replacement Procedure - All Models

1. Inspect the operation of the seat belt warning lamp on the dash and the warning chime.

2. Prepare the vehicle for buckle replacement by placing a soft fender cover along the door sill and on the center console to prevent damage.

3. Remove the passenger seat. Disconnect the connector for the power seat (Q45 only). Cut the plastic ties securing the harness to the seat frame (Q45 only).

4. Replace the buckle and secure the harness to the seat frame using tiewraps as it was originally installed (Q45 only).

5. Reinstall the passenger seat and connect to the vehicle harness (Q45 only). Check that the power seat is operational to the limits of its travel. Check that the seat is latching properly on both sides in the full forward, middle, and rearward positions.

6. Remove the driver's seat. Disconnect the two connectors for the seat switch and the power seat. Cut the plastic ties securing the harness to the seat frame. (Q45 has two tiewraps, M30 has one tiewrap).

7. Replace the buckle and secure the harness to the seat frame using tiewraps as it was originally installed.

Route the harness away from the seat track and attach the retaining tabs.

8. Reinstall the driver's seat and connect it to the vehicle harness.

9. Check the operation of the buckles by inserting the seat belt "tongue" portion into the buckle and check to see that it latches properly by tugging on the seat belt tongue while firmly holding the belt. Repeat this step three times.

10. Check the operation of the seat belt warning light and warning chime. Repair if needed according to the applicable warranty. Refer to the appropriate service manual for information.

11. Return the seat to its normal position and check that the power seat is operational to the limits of its travel.

12. Inspect the interior to ensure that it is clean and free of damage, also make sure the floor mats are positioned properly.

Q45 (1990-91)

Seat bolt torque 32-41 ft-lb, (43-55 Nm, 4.4-5.6 kg-m)

Buckle mounting bolt torque 32-41 ft-lb, (43-55 Nm, 4.4-5.6 kg-m)

M30 (1990-91)

Seat bolt torque 32-41 ft-lb, (43-55 Nm, 4.4-5.6 kg-m)

Buckle mounting bolt torque 32-41 ft-lb, (43-55 Nm, 4.4-5.6 kg-m)