# Service bulletin TT 13 18 01

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: 10149850
- Published by NHTSA: 2018\-12\-03
- Manufacturer's number: TT 13 18 01
- Manufacturer's date: 2018\-08\-31
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\); ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

## NHTSA's summary

Diagnostic checks and repair direction for chirping noise.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10149850-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10149850-0001.pdf)

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

## Components

Engine, Exhaust and emissions, Crankcase ventilation \(PCV\), Drive belts

## Vehicles listed

- 2015 VOLKSWAGEN GTI
- 2016 to 2018 VOLKSWAGEN GTI

## Other bulletins for the same vehicles and component

- [TT 27\-13\-01](/bulletins/10121192.md), 2017-10-31, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. Tech Tips: Generator Charging Concern Diagnosis Tip \- One Way Clutch Pulley Testing

JSON: [/v1/bulletins/10149850](/v1/bulletins/10149850)

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