The wave spring is located between the gear nut and the motor housing. If yours is missing you'll need one to repair your hatch pull-down unit.

Applications: This wave spring fits the following hatch pull-down models/years:

Buick: 1980-93 Electra, 1985-93 Park Avenue, 1980-93 Riviera, 1992-96 Roadmaster

Cadillac: 1987-93 Allante, 1980-96 Brougham, 1980-93 Eldorado, 1980-96 Fleetwood Sedan, 1985-93 Fleetwood, 1980-83 Fleetwood, 1980-93 Seville

Chevrolet (Chevy): 1986-92 Camaro

Chrysler: 1989-91 TC by Maserati

Oldsmobile: 1988-93 98 Regency, 1986-89 Toronado

Pontiac: 1986-92 Firebird, 1985-92 Grand Am