# Service bulletin 990604029A

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: 619725
- Published by NHTSA: 2001\-06\-25
- Manufacturer's number: 990604029A
- Manufacturer's date: 2000\-12\-01
- Replaces: 990604029
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

## NHTSA's summary

SOME CUSTOMERS MAY COMMENT ON AN INTERMITTENT ACCESSORY DRIVE RUMBLE NOISE WHEN PERFORMING A GARAGE SHIFT AND / OR DURING PARKING LOT MANEUVERS, SUCH AS TURNING THE STEERING WHEEL TO THE LOCK POSITION. \*TT

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine, Drive belts

## Vehicles listed

- 1997 to 2000 CHEVROLET CORVETTE

## Other bulletins for the same vehicles and component

- [99076](/bulletins/6089011.md), 2000-01-12, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. VEHICLES MAY EXHIBIT A CONDITION IN WHICH THE ACCESSORY \(SERPENTINE\) DRIVE BELT TENSIONER PULLEY FAILS RESULTING IN THE LOSS OF POWER STEERING PUMP, WATER PUMP, AND GENERATOR FUNCTION. A CHECK ENGINE LAMP WILL BE ILLUMINATED. \*TT
- [876113](/bulletins/600265.md), 1998-05-01, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. CONCERNS WITH DRIVE BELT NOISE AT LOW IDLE SPEEDS WITH A/C ON AND P/S AT FULL TURNED LOCKED ON VEHICLES BUILT PRIOR TO VIN 109680 AND 10060. \*YC

JSON: [/v1/bulletins/619725](/v1/bulletins/619725)

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