Lower Transaxle Assembly

Remove bottom oil pan, oil filter, accumulator cover with 2-1 servo feed and return pipes. Remove modulator and modulator valve. Check modulator with known good modulator and Tester (36619 ). If necessary, replace modulator. Remove all retainers, gaskets, pipes and accumulator piston assemblies from bores (DO NOT  interchange springs). See Fig 1.

Fig 1: Exploded View Of Lower Transaxle Assembly

Courtesy of GENERAL MOTORS CORP.