# Other Defender\_D011\_17OCT25

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: Other
- NHTSA id: 11024475
- Published by NHTSA: 2025\-10\-24
- Manufacturer's number: Defender\_D011\_17OCT25
- Manufacturer's date: 2025\-10\-17
- NHTSA component: ENGINE

## NHTSA's summary

Coolant Bypass Hose Leak

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11024475-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11024475-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2023 LAND ROVER DEFENDER

## Recalls for the same vehicles and component

- [2024599](/recalls/tc/2024599.md), 2024-10-10: Engine
- [24V450000](/recalls/nhtsa/24V450000.md), 2024-06-17: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN
- [2023039](/recalls/tc/2023039.md), 2023-02-02: Engine
- [23V044000](/recalls/nhtsa/23V044000.md), 2023-02-02: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

## Other bulletins for the same vehicles and component

- [Turbocharger Coolant Feed](/bulletins/11038337.md), 2026-10-07, Other: ENGINE. Turbocharger Coolant Feed / Return Leak
- [D011 Defender 18SEP26](/bulletins/11038301.md), 2026-10-07, Other: ENGINE. Coolant Bypass Hose Leak
- [D061 Defender 21AUG26](/bulletins/11037132.md), 2026-09-08, Other: ENGINE. Turbocharger Coolant Feed / Return Leak
- [D061 Defender 17JUL26](/bulletins/11035861.md), 2026-08-05, Other: ENGINE. Turbocharger Coolant Feed / Return Leak
- [D011 Defender 17JUL26](/bulletins/11035856.md), 2026-08-05, Other: ENGINE. Coolant Bypass Hose Leak
- [D061 Defender 16JUN26](/bulletins/11034875.md), 2026-07-08, Other: ENGINE. Turbocharger Coolant Feed / Return Leak
- [D061 Defender 15MAY26](/bulletins/11033342.md), 2026-06-03, Other: ENGINE. Turbocharger Coolant Feed / Return Leak
- [N892v3 \- 01MAY26](/bulletins/11033241.md), 2026-06-03, Service bulletin: ENGINE. Arduous customer drive cycles have been found to accelerate the degradation of engine oil, leading to generation of engine oil sludge deposits in high pressure engine oil galleries of the engine and inside the Continuous Variable Valve Lift \(CVVL\) unit.
- [D061 Defender 17APR26](/bulletins/11032407.md), 2026-05-07, Other: ENGINE. Turbocharger Coolant Feed / Return Leak
- [D011 Defender 17APR26](/bulletins/11032376.md), 2026-05-06, Other: ENGINE. Engine coolant may leak from the coolant bypass hose assembly. The leakage is in the form of a weep, but forms into a more substantial leak over time.

JSON: [/v1/bulletins/11024475](/v1/bulletins/11024475)

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