Interior - Front Power Seats Inop/Bind When Moving
TECHNICALBulletin No.: 07-08-50-009B
Date: June 14, 2011
Subject: Front Driver or Passenger Power Seat Inoperative/Binds when Moving Forward or Rearward (Install Horizontal Seat Adjuster Cable/Shaft and Synchronize Seat Track)
Models:
2006-2012 Chevrolet Impala
2006-2007 Chevrolet Monte Carlo
Equipped with RPOs AG1, AG2 or AH5
Supercede:
This bulletin is being revised to update model years. Please discard Corporate Bulletin Number 07-08-50-009A (Section 08 - Body and Accessories).
Condition
Some customers may comment that the driver or passenger front seat may not move forward or backward or bind while moving forward or backward.
Cause
The horizontal seat adjuster cable may become dislodged from the adjuster. This may cause the seat track assembly to become out of synchronization or inoperative.
Correction
Install the horizontal seat adjuster cable and synchronize the seat track assembly using the following procedure:
1. Using the power seat switch, position the inoperative seat to the full up position.
2. Visually inspect under the front seat to see if the horizontal cable (first longest cable) is dislodged from the actuator or motor.
3. If the cable is installed properly and the seat track is inoperative, then do not proceed to the next step. Refer to the Power Seat Inoperative diagnostics in SI.
4. Inspect the loose cable end and make sure the end is not frayed or mushroomed.
5. If the cable is not damaged, you can re-use the old cable and old clip.
6. If the cable end is damaged, you will need to install a new cable, P/N 19124257, which will come with a new cable retainer clip.
7. Install the cable by indexing the square end of the cable into the motor and/or the actuator.
Important
The new style clip is not serviced separately, it will only come with the new cable.
8. Install the old clip or the new cable retainer clip onto the seat track frame bar (1) and secure the cable retainer clip onto the second seat track frame bar (2) as shown in the graphic above.
9. Move the seat to the full forward position using the power seat switch.
10. Unbolt the seat belt from the seat assembly.
11. Remove the two rear seat bolts.
12. Remove the two rear plastic track trim covers.
13. Activate the power seat switch to the full back position until the track stops.
Important
Do not disconnect the power seat electrical connector.
14. Tilt the seat forward to release the seat from the two front retaining seat hooks.
15. Lay the seat back assembly down towards the floor of the vehicle with the track bottom facing upward. Visually inspect the adjusters and the drive units.
16. Inspect the position of the drive units (1) to see if the units are bottom out against the adjuster stops.
17. If both drive units are bottomed out against the adjuster stops, the inboard and outboard tracks are synchronized and will function properly. No further action is required - proceed to Step 19.
18. If there are any gaps between the adjuster stops and the drive units on either side, then the tracks are not synchronized. This condition may cause binding during seat track operation.
19. Determine which driver unit side is bottom out against the adjuster stop.
- If the outboard drive unit is bottomed out against the adjuster stop, follow these steps:
1. Remove the horizontal cable from the motor or actuator
2. Activate the power seat switch forward until the inboard drive unit bottoms out against the adjuster stop. Both drive units should now be at the stops.
3. Reinstall the cable. The tracks are now synchronized.
- If the inboard drive unit is bottomed out against the adjuster stop, follow these steps:
1. Remove the horizontal cable from the motor or actuator
2. Activate the power seat switch backward so that the inboard gap is greater than the outboard side gap.
3. Reinstall the cable.
4. Activate the power seat switch forward until the outboard drive unit is against the adjuster stop.
20. Install the seat assembly.
21. Install the rear seat bolts.
Tighten
Tighten the rear seat track bolts to 45 Nm (33 lb ft).
22. Install the rear seat track trim covers.
23. Install the seat belt and nut.
Tighten
Tighten the nut to 42 Nm (31 lb ft).
24. Verify the proper operation of the seat.
Parts Information
Warranty Information
For vehicles repaired under warranty, use the table.
Disclaimer