# Service bulletin 113271

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: 11035078
- Published by NHTSA: 2026\-07\-18
- Manufacturer's number: 113271
- Manufacturer's date: 2026\-07\-07
- NHTSA component: ENGINE

## NHTSA's summary

CORE – HEATER

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11035078-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11035078-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2020 to 2026 JEEP GLADIATOR
- 2018 to 2026 JEEP WRANGLER
- 2021 to 2026 JEEP WRANGLER 4XE

## Recalls for the same vehicles and component

- [2025617](/recalls/tc/2025617.md), 2025-11-06: Engine
- [25V766000](/recalls/nhtsa/25V766000.md), 2025-11-06: ENGINE
- [22V865000](/recalls/nhtsa/22V865000.md), 2022-11-23: ENGINE
- [2022584](/recalls/tc/2022584.md), 2022-10-14: Engine
- [22V767000](/recalls/nhtsa/22V767000.md), 2022-10-13: ENGINE; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
- [2018269](/recalls/tc/2018269.md), 2018-05-17: Engine

## Other bulletins for the same vehicles and component

- [S2609000011](/bulletins/11037354.md), 2026-09-17, Service bulletin: ENGINE. MIL\-On and/or Engine Oil Leak
- [9100363 Rev 3](/bulletins/11036762.md), 2026-09-03, Service bulletin: ENGINE. Turbocharger Kit Please note that many turbo components are serviceable separately and full turbo replacement may not be required. If the turbo is being inspected for: Noise/Rattle: Inspect heat shield fasteners for looseness and check the wastegate actuator/linkage for binding. The actuator kit is serviced separately. Oil Leak: Inspect the turbo oil feed O\-ring area for leaks. O\-ring is serviced separately.
- [113835](/bulletins/11036172.md), 2026-08-13, Service bulletin: ENGINE. COVER \- CYLINDER HEAD
- [113241](/bulletins/11035082.md), 2026-07-18, Service bulletin: ENGINE. SPARK PLUG \- NONE
- [113240](/bulletins/11035081.md), 2026-07-18, Service bulletin: ENGINE. SPARK PLUG \- NONE
- [113270](/bulletins/11035077.md), 2026-07-18, Service bulletin: ENGINE. CORE – HEATER
- [113153](/bulletins/11034915.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM; ENGINE. THERMOSTAT – NONE.
- [113152](/bulletins/11034914.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM; ENGINE. THERMOSTAT – NONE.
- [112639](/bulletins/11034912.md), 2026-07-08, Service bulletin: ENGINE. THROTTLE BODY – NONE
- [112640](/bulletins/11034911.md), 2026-07-08, Service bulletin: ENGINE. THROTTLE BODY – NONE

JSON: [/v1/bulletins/11035078](/v1/bulletins/11035078)

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