Ticking Type Noise Heard from the Driver and/or Passenger Side Center Pillar Upper Trim Panel Structure On Bumpy Roads – 2018-2019 Chevrolet Colorado & GMC Canyon

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Bulletin No.: 19-NA-094
Date: June, 2019

Service Bulletin

TECHNICAL

Subject:       Ticking Type Noise Heard from the Driver and/or Passenger Side Center Pillar Upper Trim Panel Structure On Bumpy Roads

Brand:	Model:	Model Year:			Breakpoint:		Engine:	Transmission:
		from		to	from	to
Chevrolet	Colorado (Crew Cab)	2018		2019
GMC	Canyon (Crew Cab)

Service Procedure

1. Remove the center upper trim panel. Refer to Center Pillar Upper Panel Replacement in SI.

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2. Tape up the edge of the headliner using maskingtape to protect against damage from the drill, as shown in the graphic above.

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3. For Driver’s side: From the left side upper corner of the clip square hole, measure left 24 mm (0.94 in) (1) and up 7 mm (0.27 in) (2) and with a paint pen mark both locations, as shown in the graphics above.

For Passenger’s side: From the left side upper corner of the clip square hole, measure left 42 mm (1.65 in) and up 9 mm (0.35 in) and with a paint pen mark both locations

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4. For Drivers’s side: From the right side upper corner of the clip square hole, measure right

42 mm (1.65 in) (3) and up 9 mm (0.35 in) (4) and with a paint pen mark both locations, as shown in the graphics above.

For Passenger side: From the right side upper corner of the clip square hole, measure right 24 mm (0.94 in) and up 7 mm (0.27 in) and with a paint pen mark both locations.

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Important: BEFORE drilling, tape the 11/64 drill bit, as shown in the graphic above, so only 30 mm (1.18 in) of the bit is exposed to avoid drilling through additional layers.

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5. Drill two pilot holes through two layers of the metalusing a 11/64 drill bit, as shown in the graphic above.

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6. Expand the holes using a 7/32” drill bit (5.56 mm) to clearance size in the first layer of metal ONLY.
7. Install the screws (M5) into the sheet metal.

Tighten

Tighten the screws to 4.5 N.m (40 lb. in)

Parts Information

*For warranty transactions, DO NOT mark this/these parts as the Causal Part. Enter the word “Bulletin” in the Causal Part Description free-flow text field

Warranty Information

For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information.

Additional Keywords: rattle, rattling, squeak, squeaky, squeaking, tick, ticking

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