The ticking noise may be caused by the front edge of the I/P upper trim panel coming in contact with the windshield.
The popping noise may be caused by the expansion of the I/P upper trim panel as it expands while warming-up. This noise is heard most often after the vehicle has been parked for an extended amount of time, in a temperature of 5C (40F) or lower, with the heater set to the DEFROST mode as the vehicle warms-up.
The ticking noise is caused by the I/P upper trim panel being distorted or misaligned and contacting the windshield. The popping noise is caused by the thermal expansion of the I/P upper trim panel expanding at the I/P upper trim panel clips.
CORRECTIVE ACTION:
Ticking Noise
o For a ticking noise, place foam tape such as Kent Industries P/N 40105 (or equivalent) to the front edge of I/P upper trim panel.
Popping Noise
o Place felt material such as 3M SCOTCH MATE Hook and Loop Fastening System P/N 6480 (or equivalent) on bottom and top of the three standoffs at the front of the I/P upper trim panel.
I/P Upper Trim Panel Removal
1. Remove I/P upper trim panel screw caps by carefully prying with a small flat screwdriver.
2. Remove I/P upper trim panel screws.
3. Lift I/P upper trim panel to disengage retaining clips at rear edge.
4. Pull I/P upper trim panel rearward out of retaining clips at the bottom of windshield.
5. Remove I/P upper trim panel.
Ticking Noise
1. Place I/P upper trim panel on a clean protected surface with the top -side facing up.
2. Place foam tape such as Kent Industries (P/N 40105) along entire front edge of panel as shown illustration.
3. Proceed to I/P Upper Trim Panel Installation in this bulletin.
Popping Noise
1. Remove I/P upper trim panel. Refer to I/P Upper Trim Panel Removal in the beginning of this bulletin.
2. Turn I/P upper trim panel upside down on a clean protected surface.
3. Clean bottom of the three standoffs located on the bottom front of the I/P upper trim panel using Kent Industries Acrysol P/N 20009) or equivalent.
4. Install three pieces, one inch long, of 3M SCOTCH MATE Hook and Loop Fastening System (P/N 06480) or equivalent, using only the loop part of the material, to the three standoffs-located at the front of I/P upper trim panel.
5. Proceed to I/P Upper Trim Panel Installation in this bulletin.
I/P Upper Trim Panel Installation
1. Install I/P upper trim panel by inserting it into retaining clips at windshield and snapping rear of panel into place.
2. Install I/P upper trim panel screws and screw caps.
CLAIM INFORMATION: To receive credit for this repair, submit a claim through the Saturn Dealer System as follows: Labor Case Operation Type Description Code Time ---- ----------- --------- ---- VW Lower, Instrument Panel C2362 0.3 hrs Upper-R&R or Replace
Add - To Install Foam Tape 0.1 hrs and/or Felt Material
General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.