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Service bulletin TSB21570001

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10203392
Published by NHTSA2021-11-08
Manufacturer's numberTSB21570001
Manufacturer's date2021-07-27
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This service bulletin provides instructions to install insulation kit and noise filter.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
SPARTAN FIRE GLADIATOR2019
SPARTAN FIRE GLADIATOR2020, 2021, 2022
SPARTAN FIRE METROSTAR2019
SPARTAN FIRE METROSTAR2020, 2021, 2022
SPARTAN FIRE METROSTAR-X2019
SPARTAN FIRE METROSTAR-X2020, 2021
SPARTAN FIRE S-180 PUMPER2019 to 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
22V6250002022-08-15. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB23-210-0042023-07-17. Service bulletin. This service bulletin is about potential for crack at the engine cutout area of the frame rail flanges and provides instructions on how to weld repair and add frame rail reinforcements.
TSB21-160-0012021-06-21. Service bulletin. This service bulletin provides instructions to utilize supply port on Engine for HVAC not in conjunction with DEF.
TSB20-270-005A2021-02-16. Service bulletin. This service bulletin provides instructions to replace the coolant surge tank for resolving coolant surge tank leaks on units equipped with a high air intake system. This is a revision to correct a part number and description error.