GM 19151273
Bumper Cover

The first task to replace the rear bumper fascia requires you to raise and support the vehicle. Remove the rear wheelhouse extensions. The procedure begins with removing both the push-in retainer and screws that anchor the rear bumper fascia to its respective connections : rear bumper impact bar and vehicle body. Remove the vehicle main body harness ultrasonic rear park assist connector and lower the car before opening the rear compartment. Migrate toward removing the rear compartment sill plate and the rear compartment side trim panels from the vehicle. Begin by removing the nuts extending from the rear bumper fascia toward the rear quarter panels and the rear bumper fascia toward the vehicle frame before pulling out the rear bumper fascia from the body structure. To replace the rear bumper fascia remove first the rear bumper energy absorber along with the rear object sensors from the rear bumper fascia. The first step of installation requires fitting rear object sensors into the rear bumper fascia before attaching the rear bumper energy absorber. The rear bumper fascia needs installation on the vehicle body using screws while tightening these fasteners to 2 N.m (18 lb in). Next step is to install the nuts to maintain rear bumper fascia attachment to the vehicle using a torque of 9 N.m (80 lb in). Afterward, you must tighten the retainer nuts that will secure the rear bumper fascia to the rear quarter panels also using 9 N.m (80 lb in) of torque. Install the rear compartment side trim panels together with the rear compartment sill plate after you close the rear compartment lid. The procedure ends by connecting the ultrasonic rear park assist harness to the body main harness after raising and supporting the vehicle. Install the rear wheelhouse extensions and use the push-in retainer to attach the rear bumper fascia to the rear bumper impact bar before the vehicle lowers.

The first step to undertake rear bumper fascia replacement requires vehicle elevation with proper support. First remove the rear wheelhouse extensions followed by taking out the push-in retainer that fixes the rear bumper fascia to the rear bumper impact bar. The first step entails removing fasteners that lock the rear bumper fascia to the body. Additionally the ultrasonic rear park assist harness connector should be detached from the vehicle main body harness. Open the rear compartment lid following vehicle lower position. Disassemble the rear compartment sill plate followed by removing the rear compartment side trim panels. First detach all fasteners connecting the rear bumper fascia to the rear quarter panels then disconnect all fasteners which tie the rear bumper fascia to the vehicle after which you remove the rear bumper fascia from the body. Replacement of the rear bumper fascia requires removal of both the rear bumper energy absorber and the rear object sensors from the fascia assembly. The first step is installing the rear object sensors into the rear bumper fascia alongside the rear bumper energy absorber installation. Fasten the rear bumper fascia to the vehicle by tightening 2 N.m (18 lb in) fasteners while conducting a subsequent fastener tightening sequence involving 9 N.m (80 lb in) and finishing with a third fastener tightening step using 9 N.m (80 lb in) on the rear quarter panels. Reinstall rear compartment edge trim pieces before putting on the rear compartment floor panel followed by closing the rear compartment opening. After raising and supporting the vehicle you should connect the ultrasonic rear park assist harness to the body main harness before installing the rear wheelhouse extensions and finishing with the push-in retainer to secure the rear bumper fascia to the rear bumper impact bar before lowering the vehicle.