Sunroof Drain Hose Replacement (Rear)
Sunroof Drain Hose Replacement (Impala Rear)
Removal Procedure
1. Remove the rear seat seatback. Refer to Rear Seat Back Cushion Replacement (Non Folding) (Rear Seat Back Cushion Replacement (Non Folding))Rear Seat Back Cushion Replacement (Folding) (Rear Seat Back Cushion Replacement (Folding)) in Seats.
2. Remove the rear quarter upper trim. Refer to Quarter Upper Trim Panel Replacement (Impala) (Quarter Upper Trim Panel Replacement) in Interior Trim.
3. Remove the rear quarter lower trim. Refer to Quarter Lower Rear Trim Panel Replacement (Impala) (Quarter Lower Rear Trim Panel Replacement) in Interior Trim.
4. Remove the headliner. Refer to Headlining Trim Panel Replacement (Impala) (Service and Repair) in Interior Trim.
5. Disconnect the rear sunroof drain hose from the sunroof module rear spigot.
6. Remove the tape from the rear sunroof drain hose tube (3 locations).
7. Disconnect the rear sunroof drain hose from the rear sunroof drain hose tube.
8. Remove the rear sunroof drain hose tube from the upper retainer clip.
9. Remove the rear sunroof drain hose from the rear pillar.
Installation Procedure
1. Position the rear sunroof drain hose to the rear pillar.
2. Route the rear sunroof drain hose to the lower access hole in the quarter inner panel.
3. Install the rear sunroof drain hose tube to the upper retainer clip.
4. Route the rear sunroof drain hose to the outboard edge of the rear pillar and secure with tape (3 locations).
Important: Lube the inside of each end of the sunroof drain hose with general purpose lubricant GM P/N 12345579 or equivalent to aid in installation to the drain tubes.
5. Connect the rear sunroof drain hose to the sunroof module rear drain tube.
6. Connect the rear sunroof drain hose to the rear sunroof drain hose tube.
7. Install the headliner. Refer to Headlining Trim Panel Replacement (Impala) (Service and Repair) in Interior Trim.
8. Install the rear lower quarter trim. Refer to Quarter Lower Rear Trim Panel Replacement (Impala) (Quarter Lower Rear Trim Panel Replacement) in Interior Trim.
9. Install the rear quarter upper trim. Refer to Quarter Upper Trim Panel Replacement (Impala) (Quarter Upper Trim Panel Replacement) in Interior Trim.
10. Install the rear seat seatback. Refer to Rear Seat Back Cushion Replacement (Non Folding) (Rear Seat Back Cushion Replacement (Non Folding))Rear Seat Back Cushion Replacement (Folding) (Rear Seat Back Cushion Replacement (Folding)) in Seats.