TSB: SPARTAN K2, K2 CHASSIS, K3, MM (2006–2018)

Bulletin 4VZ-E9QSR-09 — August 18, 2017

Bulletin Details

Bulletin ID4VZ-E9QSR-09
ManufacturerSPARTAN
ModelsK2, K2 CHASSIS, K3, MM
Model Years2006–2018
Date IssuedAugust 18, 2017
Date Added to NHTSAJanuary 29, 2018
ComponentSUSPENSION
Vehicles Affected80 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

This service bulletin provides instructions on how to apply appropriate torque to rear suspension fasteners to resolve popping noises.

Affected Vehicles

MakeModelYearComponent
SPARTAN K2 2018 020000 SUSPENSION
SPARTAN K2 2018 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2018 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2018 020000 SUSPENSION
SPARTAN MM 2018 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN MM 2018 020000 SUSPENSION
SPARTAN K2 2017 020000 SUSPENSION
SPARTAN K2 2017 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2017 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2017 020000 SUSPENSION
SPARTAN MM 2017 020000 SUSPENSION
SPARTAN MM 2017 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K2 2016 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K2 2016 020000 SUSPENSION
SPARTAN K3 2016 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2016 020000 SUSPENSION
SPARTAN MM 2016 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN MM 2016 020000 SUSPENSION
SPARTAN K2 2015 020000 SUSPENSION
SPARTAN K2 2015 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2015 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2015 020000 SUSPENSION
SPARTAN MM 2015 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN MM 2015 020000 SUSPENSION
SPARTAN K2 2014 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K2 2014 020000 SUSPENSION
SPARTAN K3 2014 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2014 020000 SUSPENSION
SPARTAN MM 2014 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN MM 2014 020000 SUSPENSION
SPARTAN K2 2013 020000 SUSPENSION
SPARTAN K2 2013 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2013 020000 SUSPENSION
SPARTAN K3 2013 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN MM 2013 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN MM 2013 020000 SUSPENSION
SPARTAN K2 2012 020000 SUSPENSION
SPARTAN K2 2012 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2012 020000 SUSPENSION
SPARTAN K3 2012 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN MM 2012 020000 SUSPENSION
SPARTAN MM 2012 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K2 2011 020000 SUSPENSION
SPARTAN K2 2011 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2011 020000 SUSPENSION
SPARTAN K3 2011 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN MM 2011 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN MM 2011 020000 SUSPENSION
SPARTAN K2 2010 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K2 2010 020000 SUSPENSION
SPARTAN K3 2010 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2010 020000 SUSPENSION
SPARTAN MM 2010 020000 SUSPENSION
SPARTAN MM 2010 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K2 2009 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K2 2009 020000 SUSPENSION
SPARTAN K3 2009 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2009 020000 SUSPENSION
SPARTAN MM 2009 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN MM 2009 020000 SUSPENSION
SPARTAN K2 2008 020000 SUSPENSION
SPARTAN K2 2008 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2008 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2008 020000 SUSPENSION
SPARTAN MM 2008 020000 SUSPENSION
SPARTAN MM 2008 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K2 2007 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K2 2007 020000 SUSPENSION
SPARTAN K3 2007 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2007 020000 SUSPENSION
SPARTAN MM 2007 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN MM 2007 020000 SUSPENSION
SPARTAN K2 2006 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K2 2006 020000 SUSPENSION
SPARTAN K3 2006 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K3 2006 020000 SUSPENSION
SPARTAN MM 2006 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN MM 2006 020000 SUSPENSION
SPARTAN K2 CHASSIS 023100 SUSPENSION:MULTIPLE AXLE:TORQUE ARM
SPARTAN K2 CHASSIS 020000 SUSPENSION

Related SPARTAN Recalls

CampaignModelYearComponentSummary
RV CHASSIS K2 2026 EXTERIOR LIGHTING:BRAKE LIGHTS Shyft Group (Shyft) is recalling certain 2025 Spartan RV Chassis K1, 2024-202...
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RV CHASSIS K3 2026 EXTERIOR LIGHTING:BRAKE LIGHTS Shyft Group (Shyft) is recalling certain 2025 Spartan RV Chassis K1, 2024-202...
RV CHASSIS K4 2026 EXTERIOR LIGHTING:BRAKE LIGHTS Shyft Group (Shyft) is recalling certain 2025 Spartan RV Chassis K1, 2024-202...
RV CHASSIS K1 2025 EXTERIOR LIGHTING:BRAKE LIGHTS Shyft Group (Shyft) is recalling certain 2025 Spartan RV Chassis K1, 2024-202...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized SPARTAN dealer. Bring this bulletin ID (4VZ-E9QSR-09) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.