Caprice Wagon V8-305 5.0L (1986)
Accumulator: Technical Service Bulletins
A/T - 1-2 Accumulator Piston/Outer Spring Replacement
File In Section: 7 - Transmission
Bulletin No.: 87-71-74
Date: November, 1998
INFORMATION
Subject:
1-2 Accumulator Piston and Outer Spring Replacement
Models:
1982-96 Buick Roadmaster
1982-96 Cadillac Brougham, Fleetwood, DeVille
1982-86 Chevrolet Caprice
1982-99 Chevrolet Camaro, Corvette
1982-99 Pontiac Firebird
with HYDRA-MATIC 4L60, 4L60-E Transmission (RPOs MD8, M30)
1982-99 Chevrolet and GMC C/K, M/L, S/T, G Models
1991-99 Oldsmobile Bravada
with HYDRA-MATIC 4L60, 4L60-E Transmission (RPOs MD8, M30)
Transmissions built from 1982 through 1999 were built with one of two styles of 1-2 accumulator pistons and outer springs.
Important:
The 1-2 accumulator pistons and outer springs are not interchangeable.
For replacement of the 1-2 accumulator piston and outer spring, remove the 1-2 accumulator assembly and inspect the interior for the presence of either
an aluminum or composite (plastic) 1-2 accumulator piston.
Design 1
1-2 accumulator assemblies with an aluminum piston and a round wire outer spring, use service package P/N 24204495 (1982-1993) or P/N 24204496
