# Service bulletin P\-21\-01

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.

- Type: Service bulletin
- NHTSA id: 10189819
- Published by NHTSA: 2021\-04\-05
- Manufacturer's number: P\-21\-01
- Manufacturer's date: 2021\-03\-31
- NHTSA component: TIRES

## NHTSA's summary

The purpose of this Technical Bulletin is to help Bridgestone and Firestone authorized dealers and fleet customers understand various tire heat contributing factors and the cumulative impact they can have on tire performance, and ultimately safe vehicle operation. The last page contains recommendations on how to prevent excessive heat build\-up in tires.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189819-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189819-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Tires

## Vehicles listed

- FIRESTONE 30X9.50R15 LT
- FIRESTONE 740
- FIRESTONE AFFINITY TOURING
- FIRESTONE CHAMPION FUEL FIGHTER
- FIRESTONE CHAMPION HR
- FIRESTONE DESTINATION A/T
- FIRESTONE DESTINATION LE
- FIRESTONE DESTINATION LE2
- FIRESTONE DESTINATION LE3
- FIRESTONE DESTINATION M/T
- FIRESTONE FIREHAWK
- FIRESTONE FIREHAWK GT H
- FIRESTONE FIREHAWK GT V
- FIRESTONE FIREHAWK GTA\-02
- FIRESTONE FIREHAWK INDY 500
- FIRESTONE FIRESTONE DESTINATION
- FIRESTONE FR380
- FIRESTONE FR440
- FIRESTONE FR480
- FIRESTONE FR690
- FIRESTONE FR710
- FIRESTONE FS400
- FIRESTONE FS561
- FIRESTONE FS818
- FIRESTONE LEMANS AT
- FIRESTONE LT26575R16
- FIRESTONE P19565R15
- FIRESTONE P20555R16
- FIRESTONE P26570R16
- FIRESTONE PRIMEWELL
- FIRESTONE STEEL RADIAL A/T
- FIRESTONE STEEL TEX A/T
- FIRESTONE STEELTEX A/T
- FIRESTONE STEELTEX RADIAL A/T
- FIRESTONE STEELTEX RADIAL R4S II
- FIRESTONE SUPREME SI
- FIRESTONE TRANSFORCE AT
- FIRESTONE TRANSFORCE HT
- FIRESTONE WIDETRACK WINTERTRAX
- FIRESTONE WILDERNESS
- FIRESTONE WILDERNESS AT
- FIRESTONE WILDERNESS AT III
- FIRESTONE WILDERNESS HT
- FIRESTONE WILDERNESS HT I
- FIRESTONE WILDERNESS HT II
- FIRESTONE WILDERNESS LE

JSON: [/v1/bulletins/10189819](/v1/bulletins/10189819)

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