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NHTSA ID Number: 10202399
Manufacturer Communication Number: PIT5854
Summary
This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle.
Condition
Some customers may comment on a Service Leveling System/Speed Limited message on DIC. Dealers may find no DTC’s present.
Cause
This could be caused by incorrect vehicle ride height variance due to an aftermarket lowering kit installed.
4 Affected Products
Vehicles
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5854
Published date: 09/21/2021
MC-10202399-9999.pdf 1397.865KB
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- Fitment: For GMC Yukon 2WD / 4WD / AWD 2000-2006; For GMC Yukon XL 1500 2WD / 4WD / AWD 2000-2006; For Chevy Tahoe 2WD / 4WD / AWD 2000-2006; For Chevy Suburban 1500 2WD / 4WD / AWD 2000-2006; For Chevy Avalanche 1500 2WD / 4WD / AWD 2000-2006; For Cadillac
Escalade 2WD / 4WD / AWD 2000-2006 - Introduction: The kit can lower For Chevrolet / For GMC / For Cadillac SUV 2000-2006 using Drop Keys, Drop Rear Coils including Rear Shock Extensions . This kit will allow you to lower your SUV 2"-3" in the front and 4" in the rea
- Feature: Durable powder coat finish Precision laser cut steel Easy to install
- Package Includes: (Front) 1-3" Adjustable Drop Steel Torsion Keys (Rear) 4" Drop Coil Springs (3" Drop for Avalanche) (Rear) Powder Coated Shock Extenders Necessary hardware included
- Note: The longer spring is for driver-side. Must have Torsion Key Front End.No instruction included, Contact us if you have any questions
- This kit includes Belltech part numbers 23323, 2410FF, 25004, and 2514
- Specifically made for your vehicle for guaranteed fitment and drop will be 2-4" front and 3-4" rear
- Included: Pro Coil Spring set, Shock Absorbers, Struts, and Drop Spindle Set
- MUST HAVE CAST STEEL CONTROL ARMS, SEE CHART IN IMAGES FOR GUIDANCE
- Includes: Drop Spindles, Front Adjustable Performance Struts, Rear Shocks, Rear Axle Flip Kit (Uses Factory U Bolts), Adjustable Rear Hangers, Shock Extenders, Rear Bump Stops, Hardware and Instructions
- Includes: Spindles, Front Adjustable Performance Struts, Rear Shocks, Rear Axle Flip Kit, Adjustable Rear Hangers, Shock Extenders, Hardware and Instructions
- Fitment: For GMC Yukon/Yukon XL 1500 2WD/4WD/AWD 2000-2006; For Chevy Tahoe/Suburban/Avalanche 1500 2WD/4WD/AWD 2000-2006; For Cadillac Escalade 2WD/4WD /AWD 2000-2006
- Introduction: The kit can lower For Chevrolet / For GMC / For Cadillac SUV 2000-2006 using Drop Keys, Drop Rear Coils including Rear Shock Extensions. This kit will allow you to lower your SUV 2"-3" in the front and 4" in the rear
- Feature: Durable powder coat finish Precision laser cut steel. Easy to install
- Package Includes: (Front) 1-3" Adjustable Drop Steel Torsion Keys (Rear) 4" Drop Coil Springs (3" Drop for Avalanche) (Rear) Powder Coated Shock Extenders Necessary hardware included
- Note: The longer spring is for driver-side. Must have Torsion Key Front End.No instruction included, Contact us if you have any questions
- Available with or without shocks
- Specifically made for your vehicle with guaranteed fitment
- OEM ride quality with added performance, control and comfort
- Premium hardware along with detailed instruction to insure you'll get the job done right the first time
- Drops the front 2" and the rear 4" for a level drop.
- Maintains factory ride quality and uses N3 Performance Rear Shocks
- Includes Grade 9 hardware and hardened washers.
- Rear drop is adjustable between 4" and 4.5"
- Backed by Rough Country's Limited Lifetime Replacement Warranty.
- Single Adjustable
- Adjustable Ride Height: 0.0-2.0 in. Lowered Front
- Spring Rate: 700 lbs./in.
- Works with select aftermarket control arms only
- Made in USA
- Spindles, Front Adjustable Performance Struts, Rear Shocks, Rear Axle Flip Kit, Adjustable Rear Hangers, Shock Extenders, Hardware and Instructions
- Made from high-quality materials for ultimate durability
- Manufactured to meet or exceed strict quality requirements
- If you have any questions or need fitment information for your vehicle, please contact with us
- [Fitment] Lowering kit fits for Chevy C10/K5 1973-1987; for GMC C10/Jimmy 1973-1987
- [3/5” Drop Kit] Not only gives your truck a sleek, aggressive look but also significantly improves handling, stability, and overall driving dynamics for an exhilarating ride experience
- [Durable High-strength Steel] Powder-coated for corrosion resistance and long-lasting performance
- [Complete Installation Package] The kit comprises 3” front spring coils and a 5” rear flip kit, meticulously engineered for effortless bolt-on installation, eliminating the need for any welding or cutting
- [24/7 Customer Support] maXpeedingrods offers lifetime technical support and 1-year limited warranty for quality-related issues since the date of purchase. Feel free to contact us if you have any questions
- [Application 1982-2004] Drop coil spring lowering kit fit for Chevrolet S10 V6 2WD; for Chevrolet Blazer 2WD; for GMC Sonoma 2WD; for GMC Jimmy 2WD. *Note: ONLY V6
- [Strong Steel] High-strength steel drop coil springs and drop blocks have a great powder coating keeping this item from rust and corrosion for an extended lifespan
- [Reduce Ground Clearance] Drop kit provides 3 inches of front lowering and 4 inches of rear lowering, effectively reducing suspension travel
- [Performance Improvement] Lower center of gravity will aid cornering and improve overall performance. Plus, lowered trucks are more aerodynamic, which in turn makes them faster
- [Premium Service] 1-Year limited warranty for quality-related issues (since the date of purchase) and lifetime technical support. We are committed to providing every customer with high-quality products. If you require any further information, feel free to contact us anytime
Last update on 2025-04-17 / Affiliate links / Images from Amazon Product Advertising API
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Bulletin No.: PIT5854 Published date: 09/21/2021 Preliminary Information PIT5854 Service Leveling System/Speed Limited Message Due to Aftermarket Modifications Models Brand: Cadillac
Chevrolet Chevrolet GMC Model: Escalade Suburban Tahoe Yukon Model Years: 2021 2021 2021 2021 VIN: from to All All All All All All All All All All All All Engine: All All All All Transmissions: The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Involved Region or Country North America Additional Options (RPO) F47 Condition Some customers may comment on a Service Leveling System/Speed Limited message on DIC. Dealers may find no DTC’s present. Cause This could be caused by incorrect vehicle ride height variance due to an aftermarket lowering kit installed. Correction: Inspect for vehicle ride height being altered by performing the Trim Height Inspection (example Document ID # 5568651.) These lowering kits can cause premature wear to the air suspension components, tires, CV Joint, and also affect headlamp aiming. Vehicle Ride Height lowered Note: Decreased distance between top of tire and fender well. If the suspension has been found to be lower than factory settings, inspect for aftermarket adjustable suspension height sensor links being installed. Factory suspension height sensor links are not adjustable. As shown below: Aftermarket Adjustable suspension height sensor links. As shown below: Aftermarket Adjustable Height Sensor Linkages incorrectly adjusted side to side. Aftermarket Adjustable Height Sensor Link not secured properly, preventing accurate height sensor readings. Notice Angle or Rear Axle Drive Shaft due to suspension being lowered. 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. Version History Version 1 Modified 09/21/2021 – Created on.
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