PIT5403F
Service Bulletin Details
Public Details for: PIT5403F
This preliminary information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related t
- 2020 - 2019 - 2018 - 2017 - 2016 - 2015 - 2014 - 2013 - 2012 - 2011 - 2010 - 2009 - 2008 - 2007 -
Models from 2020
2020 CADILLAC ESCALADE |
2020 CHEVROLET SILVERADO 2500 |
2020 CHEVROLET SUBURBAN |
2020 CHEVROLET TAHOE |
2020 GMC SIERRA 2500 |
2020 GMC YUKON XL |
Models from 2019
2019 CADILLAC ESCALADE |
2019 CHEVROLET SILVERADO 1500 |
2019 CHEVROLET SUBURBAN |
2019 CHEVROLET TAHOE |
2019 GMC SIERRA 1500 |
2019 GMC YUKON DENALI |
Models from 2018
2018 CADILLAC ESCALADE |
2018 CHEVROLET SILVERADO 1500 |
2018 CHEVROLET SUBURBAN |
2018 CHEVROLET TAHOE |
2018 GMC SIERRA 1500 |
2018 GMC YUKON DENALI |
Models from 2017
2017 CADILLAC ESCALADE |
2017 CHEVROLET SILVERADO 1500 |
2017 CHEVROLET SUBURBAN |
2017 CHEVROLET TAHOE |
2017 GMC SIERRA 1500 |
2017 GMC YUKON DENALI |
Models from 2016
2016 CADILLAC ESCALADE |
2016 CHEVROLET SILVERADO 2500 |
2016 CHEVROLET SUBURBAN |
2016 CHEVROLET TAHOE |
2016 GMC SIERRA 2500 |
2016 GMC YUKON DENALI |
Models from 2015
2015 CADILLAC ESCALADE |
2015 CHEVROLET SILVERADO 2500 |
2015 CHEVROLET SUBURBAN |
2015 CHEVROLET TAHOE |
2015 GMC SIERRA 2500 |
2015 GMC YUKON DENALI |
Models from 2014
2014 CADILLAC ESCALADE |
2014 CHEVROLET SILVERADO 1500 |
2014 CHEVROLET SUBURBAN |
2014 CHEVROLET TAHOE |
2014 GMC SIERRA 1500 |
2014 GMC YUKON XL |
Models from 2013
2013 CADILLAC ESCALADE |
2013 CADILLAC ESCALADE EXT |
2013 CHEVROLET AVALANCHE |
2013 CHEVROLET SILVERADO 1500 |
2013 CHEVROLET SUBURBAN |
2013 CHEVROLET TAHOE |
2013 GMC SIERRA 1500 |
2013 GMC YUKON DENALI |
Models from 2012
2012 CADILLAC ESCALADE |
2012 CADILLAC ESCALADE EXT |
2012 CHEVROLET AVALANCHE |
2012 CHEVROLET SILVERADO 1500 |
2012 CHEVROLET SUBURBAN |
2012 CHEVROLET TAHOE |
2012 GMC SIERRA 1500 |
2012 GMC YUKON DENALI |
Models from 2011
2011 CADILLAC ESCALADE |
2011 CADILLAC ESCALADE EXT |
2011 CHEVROLET AVALANCHE |
2011 CHEVROLET SILVERADO 1500 |
2011 CHEVROLET SUBURBAN |
2011 CHEVROLET TAHOE |
2011 GMC SIERRA 3500 |
2011 GMC YUKON DENALI |
Models from 2010
2010 CADILLAC ESCALADE |
2010 CADILLAC ESCALADE EXT |
2010 CHEVROLET AVALANCHE |
2010 CHEVROLET SILVERADO 1500 |
2010 CHEVROLET SUBURBAN |
2010 CHEVROLET TAHOE |
2010 GMC SIERRA 1500 |
2010 GMC YUKON DENALI |
Models from 2009
2009 CADILLAC ESCALADE |
2009 CADILLAC ESCALADE EXT |
2009 CHEVROLET AVALANCHE |
2009 CHEVROLET SILVERADO 1500 |
2009 CHEVROLET SUBURBAN |
2009 CHEVROLET TAHOE |
2009 GMC SIERRA 1500 |
2009 GMC YUKON DENALI |
Models from 2008
2008 CADILLAC ESCALADE |
2008 CADILLAC ESCALADE EXT |
2008 CHEVROLET AVALANCHE |
2008 CHEVROLET SILVERADO 1500 |
2008 CHEVROLET SUBURBAN |
2008 CHEVROLET TAHOE |
2008 GMC SIERRA 1500 |
2008 GMC YUKON DENALI |
Models from 2007
2007 CADILLAC ESCALADE |
2007 CADILLAC ESCALADE EXT |
2007 CHEVROLET AVALANCHE |
2007 CHEVROLET SILVERADO 1500 |
2007 CHEVROLET SUBURBAN |
2007 CHEVROLET TAHOE |
2007 GMC SIERRA 1500 |
2007 GMC YUKON DENALI |
Bulletin No.: PIT5403F Published date: N/A Preliminary Information PIT5403F Various Vehicle Handling Concerns Suspension Noise or Damaged Suspension Components Due to Vehicle Modi cations Models Brand: Model: Model Years: VIN: from to Engine: Transmissions: Cadillac Escalade EXT 2007 - 2013 All All All All Cadillac Escalade 2007 - 2020 All All All All Chevrolet Avalanche 2007 - 2013 All All All All Chevrolet Silverado 2007 - 2020 All All All All Chevrolet Suburban 2007 - 2020 All All All All Chevrolet Tahoe 2007 - 2020 All All All All GMC Sierra 2007 - 2020 All All All All GMC Yukon Model 2007 - 2020 All All All All Supersession Statement This PI was superseded to update the Model Year. Please discard PIT5403E. The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition / Concern Some owners may comment on various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. These concerns may occur if the vehicle’s suspension system has been modified by using aftermarket suspension lift or lowering kits, or making modifications to the vehicle including adjusting components beyond factory specifications such as, but not limited to adjusting torsion bar suspensions to change suspension height and/or aftermarket wheels and/or tires installed. Recommendations / Instructions Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer the conditions noted may not be covered under warranty. Most of the larger lift kits are easy to identify because of the major modifications made as compared to a stock vehicle. This bulletin will help identify some of the smaller changes that can still drive concerns. If there is any question regarding potential modifications, compare the truck with concerns to a like vehicle looking for modified components. Inspect for installed aftermarket suspension components such as but not limited to the examples below: 1. Aftermarket lift kit block 2. Aftermarket lift kit blocks removed from a truck 3. Aftermarket coil spring spacer 4. Aftermarket lift kit blocks installed 5. Aftermarket coil spring spacer 6. Aftermarket rear leaf spring lift block Inspect for improperly adjusted torsion bars (shown below #7) resulting in improper Zheight adjustments. For this example, the Z-height for this truck would be above the specifications but there is not an actual lift kit installed. Below is an example of lift provided by improperly adjusting the z-height. In this example, the front suspension has been raised about 3 inches. If the torsion bars have been improperly adjusted as shown above, also inspect for contact between the upper control arm (shown below #9) and the frame (shown below #10). If contact is found inspect the upper ball joint for looseness, as it may have been damaged by the modification. When determining if a vehicle has been modified additional clues can be found by inspecting for quality control marks (shown below #8)from the factory that are not aligned (especially on new trucks): Note: The green quality control marks do not line up indicating this vehicle has been tampered with. 11. Aftermarket Lift Kit Block installed 12. Aftermarket Coil Spring Spacer installed Warranty Information Any concerns or damage that occurs as a result of vehicle modification may not be covered under the Terms of the New Vehicle Limited Warranty. Reference the latest version of TSB 09-00-89-016 (Warranty Administration – Labor Operation 0600014 – Suspected Tampering or Vehicle Modifications) if needed. 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. Additional SI Keywords align alignment axle ball bar break broke broken control C0710 damage drag end front high inch inches inner joint kit left lift link loose low lower lowering modi ed noise outer plow rack rear right rod snow stabilitrak stability steer steering susp suspension sway tcs tie tire tires torsion traction turn underbody unwant unwanted upper wear wheel wheels worn © 2020 General Motors. All Rights Reserved.