Noise Diagnosis - Rear of Vehicle FoldingTop Pump Rattle
Folding Top Pump Rattle
Symptom:
Rattle coming from the rear of the vehicle.
Possible Cause:
| • | Folding top pump mounting nuts (1) loose or missing. |
| • | Mounting stud(s) missing or broken. |
Diagnosis:
Visually inspect for mounting studs and nuts (1).
Corrective Action:
| • | Replace missing or broken studs with bolts. |
| • | Tighten the mounting nuts to specification. |
Tighten
Tighten the pump mounting nuts (1) to 6 N·m (53 lb in).
Noise Diagnosis - Rear of Vehicle Passenger Side B-Pillar Creak
Passenger Side B-Pillar Creak
Symptom
Creak coming from the upper B-pillar/roof area on the passenger side. Usually only happens over 16°C (60°F) ambient temperature.
Possible Cause
Sheet metal interference in the middle to the upper area of the B-pillar.
Diagnosis
Remove B-pillar quarter inner trim finishing panel. Test drive the vehicle, listen for noise over rough roads.
Corrective Action
Strike the B-pillar sheet metal, inside the vehicle, with a ball peened hammer to put a slight indentation in the inside body panel.
Noise Diagnosis - Rear of Vehicle Radio Rear Speaker Rattle
Radio Rear Speaker Rattle
Symptom
Rattle from the rear speaker located on the rear quarter trim panel.
Possible Cause
The rivets do not hold well due to improper installation.
Diagnosis
| • | Remove the rear quarter trim. |
| • | Check speaker attachment to the trim for looseness. |
Corrective Action
Install new rivets or isolation material as necessary.
Noise Diagnosis - Rear of Vehicle Rear Compartment Closeout Panel Rattl
Rear Compartment Closeout Panel Rattle
Symptom
Rattle from the rear of the vehicle.
Possible Cause
Rear compartment closeout panel (2) rattles against the side trim.
Diagnosis
Remove the closeout panel (2) and test drive the vehicle.
Corrective Action
Apply a 2 in x 5
Noise Diagnosis - Rear of Vehicle Hatch Rattle
Hatch Rattle
Symptom
A rattle coming from the rear hatch area.
Possible Cause
| • | The hatch latch is not in the correct position, both cross-car and up/down. |
| • | Overslam bumpers are not properly set. |
Diagnosis
Test drive the vehicle and, with the aid of a helper, push up on the rear compartment lift window panel to stop the noise.
Corrective Action
| • | Loosen the latch. |
| • | Center with the striker and retighten. Be sure to provide equal clearance to the latch sides. |
| • | Lower the lift window pane and run bumpers out to a point that a single piece of paper can barely be pulled out when the rear panel is fully closed. |
Noise Diagnosis - Rear of Vehicle Rear Compartment Lift Window Panel Co
Rear Compartment Lift Window Panel Cover Rattle
Symptom
Rattle from the rear compartment trim area.
Possible Cause
Trim is loose due to misinstalled or missing fasteners.
Diagnosis
Carefully pull the rear compartment trim down to view behind, look for misinstalled or missing fasteners.
Corrective Action
Install new fastener.
Noise Diagnosis - Rear of Vehicle Rear Quarter Panel Styrofoam Itch
Rear Quarter Panel Styrofoam Itch
Symptom
High pitched itch coming from the rear (right, left or both) of the vehicle over moderate to rough roads. Sounds similar to sheet metal joint creaks.
Possible Cause
The stryofoam inserts located behind the quarter trim panel are contacting and rubbing against the quarter inner sheet metal surfaces.
Diagnosis
Look for witness marks on the styrofoam insert of the quarter panel inner sheet metal surface.
Corrective Action
Apply 3 pieces of 30 x 80 mm GM 6068M closed cell foam (P/N 22638774) or similar isolation material at specified location. Wrap foam around edges approximately 1/4 inch.
