# Service bulletin SB\-15\-026

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: 10184826
- Published by NHTSA: 2020\-12\-28
- Manufacturer's number: SB\-15\-026
- Manufacturer's date: 2015\-06\-02
- NHTSA component: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING

## NHTSA's summary

A subject vehicle may exhibi8t an engine oil leak or engine coolant leaking externally from the engine head gasket sealing area on the exhaust manifold side of the engine. An improved head gasket has been made available as a service part and should be used if replacement of the head gasket is necessary. Improvement of the head gasket includes the addition of rubber seals around the engine oil and engine coolant port holes.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10184826-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10184826-9999.pdf)

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

## Components

Engine, Equipment and accessories

## Vehicles listed

- 2015 HINO CONVENTIONAL MODELS
- 2015 HINO CONVENTIONAL TRUCKS W/JO8

JSON: [/v1/bulletins/10184826](/v1/bulletins/10184826)

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