NHTSA ID Number: 10112936
Manufacturer Communication Number: PIT5072D
Summary
This Preliminary Information communication provides information to the technician about vehicles that after opening the power liftgate, it will not stay in the full open position and may drift down a few inches before coming to a rest. Technician will ensure the vehicle does not have the incorrect strut mounting brackets installed.
8 Affected Products
Vehicles
Parts
SEOCONTENT-START
#PIT5072D: Power Liftgate Does Not Stay Fully Open Or Drifts Down A Few Inches – (Mar 25, 2013)
| Subject: | Power Liftgate Does Not Stay Fully Open Or Drifts Down A Few Inches |
| Models: | 2010 – 2013 Chevrolet |
| 2010 – 2013 GMC Terrain |
This PI was superseded to update model years. Please discard PIT5072C.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern
A customer may comment that, after opening the power liftgate, it will not stay in the full open position and may drift down a few inches before coming to a rest.
Recommendation/Instructions
This may be caused by the incorrect strut mounting brackets installed on the vehicle. Check on the liftgate mounting brackets for a letter P or M stamped on the bracket. P is for a power liftgate system and M is for a Manual liftgate system. If Manual strut mount brackets are found on the vehicle, replace with the correct bracket(s) for power liftgate.

The picture above is an example of the correct brackets for a power liftgate.
Parts Information
| Part Number | Description |
| 20800141 | BRACKET, L/GATE STRUT (Right Body Side) |
| 20942418 | BRACKET, L/GATE STRUT (Left Body Side) |
Warranty Information
For vehicles repaired under warranty use:
| Labor Operation | Description | Labor Time |
| B5933 | Liftgate Strut Replacement | Use Published Labor Operation Time |
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
Bulletin No.: PIT5072D
Date: Mar-2013
To View or Download this Document Click Here
Bulletin No.: PIT5072D
Date: March, 2013
To View or Download this Document Click Here
- 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
- Helps open and close vehicle liftgate
- 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
- AUTOEXACT PRECISION FIT REPLACEMENT TAILGATE STRUT: Specifically designed fit for 2015-2020 Cadillac
Escalade & Escalade ESV, 2015-2020 Chevy
Suburban & Tahoe, 2016-2019 Suburban 3500 HD, 2015-2020 GMC 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. Please check Vehicle Fitment and Liftgate Type before purchasing!!! - RESTORE TAILGATE EXPERIENCE: Helps restore smooth and reliable automatic liftgate opening and closing performance, supports tailgate to open steadily and stay securely in position. Good choice when original lift support struts becomes weak or slow. Note: Only suitable for standard motor, not suitable for modified vehicle
- SAFETY & RELIABILITY: Helps reduce the risk of tailgate dropping as lift supports age or wear over time. Autoexact Electric liftgate strut provides stable hydraulic damping for smoother and safer liftgate operation in daily use. Made from high-quality steel with waterproof and anti-fog protection to improve performance in harsh weather. Each rear trunk strut is leakage-tested to help ensure reliable operation and longer service life
- SMOOTH & QUIET POWER OPERATION: The Autoexact liftgate actuator features a high-torque, quiet motor for smooth and silent operation (only 45dB at 30cm from the door when the vehicle is in operation). Designed to help reduce clicking, grinding, or squeaking noise during use. Built with precision gas spring damping structure and corrosion-resistant surface treatment to help extend service life and improve durability
- EASY INSTALLATION: Plug-and-play installation design makes it a feasible DIY project for most users with basic tools, no complex modification required. Cost-effective alternative to dealership repair
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