# Service bulletin 15NA040

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: 10137260
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: 15NA040
- Manufacturer's date: 2018\-01\-04
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; ENGINE

## NHTSA's summary

This technical bulletin provides repair information for replacement of the drive belt tensioner to correct a customer concern for a rattle noise at 48 km/h \(30 mph\) to 64 km/h \(40 mph\) when the engine is switching between V4 and V8 and/or they notice fluid leaking from the bellow on top of the tensioner.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137260-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137260-0001.pdf)

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

## Components

Engine, Drive belts

## Vehicles listed

- 2016 to 2018 CADILLAC CTS
- 2016 to 2018 CHEVROLET CAMARO
- 2016 to 2018 CHEVROLET CORVETTE

## Other bulletins for the same vehicles and component

- [PIP5455C](/bulletins/10143764.md), 2018-08-20, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. This Preliminary Information communication provides information to the technician about vehicles that have a rattle or flutter noise from the supercharger tensioner and belt. Dealer shouldReplace the supercharger belt with aGates Belt P/N K080852HD.
- [PIP5455A](/bulletins/10113874.md), 2017-08-15, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. This Preliminary Information communication provides information to the technician about vehicles that have a rattle or flutter noise from the supercharger tensioner and belt. Dealer shouldReplace the supercharger belt with aGates Belt P/N K080852HD.
- [PIP5492](/bulletins/10113863.md), 2017-08-15, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. This Preliminary information communicatesCustomers may comment on a Scraping or Moan Noise heard during engine idle. Caused by theSupercharger Idler Pulley flipped 180 degrees on Idler. Advised to replace theReplace Idler Assembly \– P/N 12668046 \(\#8\)

JSON: [/v1/bulletins/10137260](/v1/bulletins/10137260)

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