NHTSA ID Number: 10127239
Manufacturer Communication Number: PIT4994E
Summary
This Preliminary Information communication provides information to the technician about vehicle that have a rattle noise from the rear lift gate on rough roads. Technician will need to inspect the lift gate wedges by opening the lift gate, insert paper between the body side & lift-gate side wedges, and then close the lift gate. If the paper cannot be removed, grease lift-gate side wedges. If the paper can be removed, reset the wedges by loosen lift-gate side wedge center screw to allow center portion to “ratchet” along internal detents freely, pull center adjustment portion of lift-gate side wedges to full downward position, close lift-gate to full latch engagement then use power to close lift-gate system (if available), close manually on non-power lift gates and do not slam, open lift gate, and pull the center adjustment portion down one additional detent & torque screw 5.0 newton meters if wedge adjustment does not have enough travel for the one additional detent add washer under the two lift-gate side wedge attachments to shim as required. Now to inspect the lift gate wedges by opening the lift gate, insert paper between the body side & lift-gate side wedges, and then close the lift gate. If the paper cannot be removed, grease lift-gate side wedges. If the concern is still present adjust lift-gate latch striker.
14 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
CHEVROLET |
EQUINOX | 2010-2016 |
| GMC | TERRAIN | 2010-2016 |
Condition/Concern
Rattle noise from the rear lift gate on rough roads.
This may be caused by either of the following:
1. Insufficient contact between lift gate wedges.
2. Latch contacting striker
Note: The lift gate struts will NOT cause the rattle noise when the lift gate is closed (even though they can be forced to rattle by hand when the lift gate is open).
Parts Information
| Description | QTY | Part Number |
| Dielectric Silicone Grease (U.S. Dealers) | 1 (1 oz) | 12345579
ACDelco GM Original Equipment 10-4064 (12345579) Dielectric Grease - 1 oz
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API |
| Dielectric Silicone Grease (Canada Dealers) | 1 (29 mL) | 10953481 |
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT4994E
Date: Sep-2015
https://www.nhtsa.gov/recalls?nhtsaId=10127239
NHTSA ID Number: 10113251
Manufacturer Communication Number: PIT4994D
Summary
This Preliminary Information communication provides information to the technician about vehicles that have a rattle noise from the rear lift gate on rough roads. Technician will need to inspect the lift gate wedges by opening the lift gate, insert paper between the body side & lift-gate side wedges, and then close the lift gate. If the paper cannot be removed, grease lift-gate side wedges. If the paper can be removed, reset the wedges by loosen lift-gate side wedge center screw to allow center portion to “ratchet” along internal detents freely, pull center adjustment portion of lift-gate side wedges to full downward position, close lift-gate to full latch engagement then use power to close lift-gate system (if available), close manually on non-power lift gates and do not slam, open lift gate, and pull the center adjustment portion down one additional detent & torque screw 5.0 newton meters if wedge adjustment does not have enough travel for the one additional detent add washer under the two lift-gate side wedge attachments to shim as required. Now to inspect the lift gate wedges by opening the lift gate, insert paper between the body side & lift-gate side wedges, and then close the lift gate. If the paper cannot be removed, grease lift-gate side wedges. If the concern is still present adjust lift-gate latch striker.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT4994D
Date: Sep-2013
MC-10113251-9999.pdf 129.703KB
NHTSA ID Number: 10062889
Manufacturer Communication Number: PIT4994D
Summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
1 Associated Document
Service Bulletin Document
Bulletin No.: PIT4994D
Date: September, 2013
NHTSA ID Number: 10062890
Manufacturer Communication Number: PIT4994C
Summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
1 Associated Document
Service Bulletin Document
Bulletin No.: PIT4994C
Date: June, 2013
SB-10062890-2273.pdf 342.584KB
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- [Application] GVPART4U automotive replacement shock lift supports is compitable with Cadillac 2015-2019 Escalade & Escalade ESV, Chevrolet 2015-2020 Suburban & Tahoe, 2016-2019 Suburban 3500 HD, GMC 2015-2020 Yukon & Yukon XL
- [Replacement] GVPART4U rear hatch shocks part number: 84306929 23235697 23431143 84036214 84183516 84183515 23226162 23408748 23431142 23487668
- [Advantage] GVPART4U power liftgate support struts are through completely technology upgrade. The motor runs smoothly, reducing shock and making low noise
- [Fitted] The OEM design for plug-in installation, matched with your origin power liftgate, it's easy to install with simple hand tools in just a few minutes
- [Performance] GVPART4U lift support shock struts are made of high-quality steel, powerful enough to support. Our lift aculator passed 50,000 fatigue tests, has excellent pressure-bearing performance, which is solid and durable
- Country of Origin : United States
- The package length is 16.51 centimeters
- The package height is 80.01 centimeters
- The package width is 17.018 centimeters
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
- AUTOEXACT PRECISION FIT REPLACEMENT TAILGATE STRUT: Specifically designed fit for Cadillac 2015-2020 Escalade & Escalade ESV, Chevy 2015-2020 Suburban & Tahoe, 2016-2019 Suburban 3500 HD, GMC 2015-2020 Yukon & Yukon XL power liftgate strut replacement (Left & Right Sides). Directly replaces worn or weak original tailgate support. Replacement part number #84306929, 84183515, 84183516, 84036214, 23226162, 23235697, 23431143, 84306929, 84183515, 23487668, 23408748, 23431142. ⚠Factory power liftgate only — Not compatible with manual or modified liftgates. Not sure if your vehicle is compatible? Verify with your key fob for a liftgate button or email us with your VIN before purchasing
- RESTORE SMOOTH & RELIABLE LIFTGATE OPERATION: Fix slow, weak, or jerky tailgate movement caused by worn struts. Supports full automatic open/close cycles and keeps your liftgate securely in place — just like new. Good choice when original lift support struts become weak or slow. Perfect for daily use or after long-term tailgate wear
- SAFETY & RELIABILITY: Autoexact electric liftgate strut stable hydraulic damping ensures smooth, safe tailgate operation every day. Made from high-quality steel with waterproof and anti-fog protection to improve performance in harsh weather. Each rear hatch strut is leakage-tested to help ensure reliable operation and longer service life. Helps prevent sudden tailgate drop and accidental damage
- QUIET, DURABLE, WEATHER-RESISTANT DESIGN: The Autoexact liftgate actuator uses a high-torque, low-noise motor delivers near-silent operation (~45 dB at 30cm). Helps minimize clicking, grinding, or squeaking noises. Gas-spring damping and corrosion-resistant steel provide reliable performance in all weather conditions
- EASY INSTALLATION: Plug-and-play design makes it a feasible DIY project for most users with basic tools, no complex modification required. Cost-effective alternative to dealership repair. ⚠ Important: Always reinstall the interior tailgate cover panel before operating the liftgate. Testing without the panel may prevent full opening or damage the struts
Last update on 2026-05-27 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.
SEOCONTENT-START
Bulletin No.: PIT4994E Date: Sep-2015 Subject: Liftgate Rattles Over Rough Roads Models: 2010 – 2016 Chevrolet Equinox 2010 – 2016 GMC Terrain The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition/Concern Some customers may complain of a rattle noise from the rear lift gate on rough roads. This may be caused by either of the following: 1. Insufficient contact between lift gate wedges. 2. Latch contacting striker Note: The lift gate struts will NOT cause the rattle noise when the lift gate is closed (even though they can be forced to rattle by hand when the lift gate is open). Recommendation/Instructions Concern 1: Insufficient contact between lift gate wedges Check wedge engagement (paper test): Open the lift gate, insert paper between the Body Side & Liftgate Side Wedges, then close the lift gate.If the paper cannot be removed, grease Liftgate Side Wedge with 12345579 (in Canada, use 10953481). If the paper can be removed, reset the Wedges using the following procedure. To Reset Liftgate Wedges: 1. Loosen Liftgate Side Wedge center screw to allow center portion to “ratchet” along internal detents freely. 2. Pull center adjustment portion of Liftgate Side Wedges to full downward position. 3. Close Liftgate to full latch engagement. Use power to close w/ Power Liftgate system (if available), close manually on non-power lift gates (do not slam). Open Lift gate. 1 4. Pull center adjustment portion down one additional detent & torque screw 5.0NM. Note: If Wedge adjustment does not have enough travel for the one additional detent- Add washer GM#11562459 under the two Liftgate Side Wedge attachments to shim as required. 5. Recheck engagement with paper test procedure above, repeat step #4 until paper cannot be removed 6. Grease Liftgate Side with GM# 12345579 Dielectric Silicone Grease. (In Canada, use 10953481 Dielectric Silicone Grease) See the picture above. Concern 2: Latch contacting striker Adjust Liftgate Latch Striker 1. Loosen the two (2) Liftgate Striker 2. Adjust the Liftgate Striker to the right (passenger side) in ~1.00mm increments. Keep adjustment to a minimum so as to not affect Liftgate gaps and flushness. 3. Torque Striker Bolts to specification Note: Once complete, you MUST reset Wedges per steps 1-6 in the Liftgate Wedges Reset Procedure called-out above. Parts Information Part Number Description QTY 12345579 Dielectric Silicone Grease (U.S. Dealers) 1 (1 oz) 10953481 Dielectric Silicone Grease (Canada Dealers) 1 (29 mL) Warranty Information For vehicles repaired under warranty use: Labor Operation Description Labor Time 2080068* Adjust Liftgate Wedges and Striker to Correct Rattle Concern 0.5 Hr * This is a unique labor operation for bulletin use only. This number will not be published in the Labor Time Guide. Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
SEOCONTENT-END