1998 CHEVROLET AND GMC C/K, M/L, S/T, G MODELS 1998 OLDSMOBILE BRAVADA 1998 HOLDEN COMMADORE (VS MODEL) WITH HYDRA-MATIC 4L60-E (RPO M30)
THE HYDRA-MATIC 4L60E TRANSMISSION HAS RECEIVED THE FOLLOWING REFINEMENTS FOR THE 1998 MODEL YEAR (FIGURES 1-10):
NEW CASE WITH IMPROVED DRAINBACK/TO REDUCE AERATION OF FLUID
NEW 300MM TORQUE CONVERTER (5.7L F CAR)/NEW STATOR SHAFT AND PUMP ASSEMBLY, TURBINE SHAFT + HOUSING ASSEMBLY/IMPROVES FUEL ECONOMY
ECCC (F CAR 3.8L + ALL TRUCKS) CONTINUOUS SLIP TCC FRICTION MATERIAL/IMPROVES FUEL ECONOMY AND NOISE ISOLATION
100% 2-PC. CASE CAPACITY
NEW MANUAL SHAFT CORROSION COATING FROM GOLD TO BLACK / BETTER OXIDATION PREVENTION / WILL SERVICE ALL 1993-1998 MODELS
NEW EXTENSION ASSEMBLY (F CAR ONLY)/MORE RIDGED DESIGN TO IMPROVE DURABILITY
NEW WIRING HARNESS ASSEMBLY / FULLY ENCAPSULATED DESIGN TO IMPROVE DURABILITY
NEW 1-2 ACCUMULATOR SPRING / NO PAINT / NEW MATERIAL TO IMPROVE DURABILITY
NEW SCREENS FOR PRESSURE CONTROL SOLENOID AND SPACER PLATE / REVISED FILTER SCREENS
THE FOLLOWING CHANGE WILL BE IMPLEMENTED FOR 1998 INTERIM:
PRESS FIT INPUT SUN GEAR TO FORWARD SPRAG INNER RACE / SERVICE AS ONE PIECE
THE FOLLOWING CHANGES WERE IMPLEMENTED OCTOBER 1997:
NEW TRANSMISSION FILTERS W/INCREASED DEPTH DEEP PAN- C/K, G AND HOLDEN
NEW BOTTOM PANS, DIPSTICK STOP BRACKET DEEP PAN- C/K, G AND HOLDEN REGULAR PAN -S/T, M/L, F
NEW VALVE BODY CASTING WITH CHAMFER FOR NEW DIPSTICK STOP BRACKET (MUST BE USED TOGETHER WITH DEEP PAN, FILTER AND STOP)
FIGURES: 12 ATTACHMENTS: 0
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