# Other KA\-01986 V2

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: 11035614
- Published by NHTSA: 2026\-08\-04
- Manufacturer's number: KA\-01986 V2
- Manufacturer's date: 2026\-07\-17
- NHTSA component: ENGINE

## NHTSA's summary

M8 V8 Coolant Hose Drift

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11035614-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11035614-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2016 to 2020 MCLAREN 540C
- 2015 to 2017 MCLAREN 570
- 2016 to 2020 MCLAREN 570 GT
- 2018 to 2020 MCLAREN 570S
- 2019 to 2021 MCLAREN 600LT
- 2022 to 2025 MCLAREN 600LT
- 2021 MCLAREN 620R
- 2022 MCLAREN 620R
- 2014 to 2016 MCLAREN 650S
- 2017 MCLAREN 650S
- 2015 to 2017 MCLAREN 675 LONGTAIL
- 2016 MCLAREN 720S
- 2017 to 2021 MCLAREN 720S
- 2019 to 2023 MCLAREN 720S SPIDER
- 2024 to 2025 MCLAREN 720S SPIDER
- 2024 MCLAREN 750S
- 2019 to 2023 MCLAREN 750S SPYDER
- 2024 MCLAREN 750S SPYDER
- 2020 to 2021 MCLAREN 765LT
- 2021 MCLAREN 765LT SPIDER
- 2022 MCLAREN 765LT SPIDER
- 2021 MCLAREN ELVA
- 2022 MCLAREN ELVA
- 2019 to 2023 MCLAREN GT
- 2024 to 2025 MCLAREN GT
- 2020 to 2024 MCLAREN GTS
- 2025 MCLAREN GTS
- 2014 to 2015 MCLAREN P1
- 2018 to 2019 MCLAREN SENNA
- 2020 MCLAREN SPEEDTAIL

## Recalls for the same vehicles and component

- [2023396](/recalls/tc/2023396.md), 2023-07-17: Engine
- [23V484000](/recalls/nhtsa/23V484000.md), 2023-07-14: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
- [19V613000](/recalls/nhtsa/19V613000.md), 2019-08-21: ENGINE; ELECTRICAL SYSTEM:WIRING

## Other bulletins for the same vehicles and component

- [KA\-01940 V2](/bulletins/11037823.md), 2026-10-02, Other: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; ENGINE. P1 GEN 2 Battery Pre\-installation Checks
- [KA\-02060](/bulletins/11037807.md), 2026-10-02, Other: ENGINE. McLaren 750S Exhaust Throttle Actuator Open Load
- [KA\-01986](/bulletins/11028621.md), 2026-02-06, Other: POWER TRAIN; ENGINE. V8 Coolant Hose Drift
- [KA\-01941](/bulletins/11025114.md), 2025-11-06, Other: ENGINE. A guide to aid in the identification of a missing core plug and repair method on V8 cylinder heads
- [KA\-01937](/bulletins/11023913.md), 2025-10-06, Other: ENGINE. Boost Control Diagnosis Guide
- [KA\-01923](/bulletins/11022840.md), 2025-09-05, Other: ENGINE. WCAC Inlet to Top Hose Clash
- [SCB 00 F 001](/bulletins/11022833.md), 2025-09-05, Service campaign: ENGINE. Pipe Protector and Clip Installation
- [KA\-01890](/bulletins/11021416.md), 2025-08-05, Other: ENGINE. Electric Wastegate Actuator Diagnosis and Adjustment
- [SCB 22 F 001 V2](/bulletins/10209492.md), 2022-04-01, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT. McLaren GT HVAC High Pressure Hose Identification and Potential Replacement
- [KA\-01007 v2](/bulletins/10207570.md), 2022-02-04, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING. Rattle from engine bay

JSON: [/v1/bulletins/11035614](/v1/bulletins/11035614)

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