# Warranty extension 26\-01\-064G DCS

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: Warranty extension
- NHTSA id: 11036092
- Published by NHTSA: 2026\-08\-11
- Manufacturer's number: 26\-01\-064G DCS
- Manufacturer's date: 2026\-07\-30
- Campaign id or software version: L18G
- NHTSA component: ENGINE

## NHTSA's summary

Certain 2026MY G70 \(IK\) and 2027MY G80 \(RG3\) vehicles may exhibit a water\-flowing or gurgling noise from the front center air vents during engine start\-up. This condition may becaused by trapped air within the engine cooling system. Technical Service Bulletin \(TSB\) 26\-01\-064G provides instructions to properly bleed the cooling system and remove any trapped air.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036092-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036092-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2027 GENESIS G80
- 2026 GENESIS GV70

## Other bulletins for the same vehicles and component

- [26\-01\-064G TSB](/bulletins/11036094.md), 2026-08-11, Warranty extension: ENGINE. Certain 2026MY G70 \(IK\) and 2027MY G80 \(RG3\) vehicles may exhibit a water\-flowing or gurgling noise from the front center air vents during engine start\-up. This condition may be caused by trapped air within the engine cooling system. Follow the procedure below to properly bleed the cooling system and remove any trapped air.
- [26\-HA\-002G TSB](/bulletins/11033845.md), 2026-06-16, Service bulletin: ENGINE. Some Genesis vehicles \(listed below\) equipped with Lambda\-III 3.5T\-GDI engines may exhibit reduced heater performance due to engine coolant deposits clogging the heater core. This bulletin provides instructions to verify the concern and to replace the front and rear heater core \(if applicable\).
- [26\-EM\-008G TSB](/bulletins/11029969.md), 2026-03-11, Service bulletin: ENGINE. Some GV70 \(JK1A\) vehicles equipped with 2.5T engines may display a check engine light with DTC P04F000 \(EVAP System High Load Purge Line 'A' Performance\) due to debris inside the dual purge ejector assembly and/or intercooler outlet hose. This bulletin provides instructions to perform a DTC check, and if necessary, replace the dual purge ejector assembly and intercooler outlet hose.

JSON: [/v1/bulletins/11036092](/v1/bulletins/11036092)

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