I GM4 89 1981 TRANSMISSION CONTROL VALVE Tl llVl 200 4R MW9 1 4 265 VALVE ASM Control See Cat 4 N S BODY Control Valve I 2 N S VALVE Throttle 4 3 4 265 PIN Coiled Spring V 8628385 4 N S SPRING Throttle Valve 5 N S PLUNGER Throttle Valve 6 N S BUSHING Throttle Valve Plunger 7 N S SLEEVE Spring Retaining 8 N S SPRING T V Limit Valve 9 N S VALVE T V Limit 10 4 265 PIN Coiled Spring 8628400 11 4 265 PLUG Valve Bore 12 5l ll I Dia 8634239 4 265 PLUG Valve Bore 56 Dia 8625546 12 N S VALVE T V Modulator Upshift 13 N S SPRING T V Modulator Upshift 14 N S VALVE T V Modulator Downshift 15 N S SPRING T V Modulator Downshift 16 N S SPRING 3 2 Control Valve 17 N S VALVE 3 2 Control 18 N S VALVE Line Bias 19 N S SPRING Line Bias Valve 20 N S BUSHING Accumulator Valve 21 N S SPRING Accumulator Valve 22 N S VALVE Accumulator 23 N S VALVE 3 4 Shift L 24 N S VALVE 3 4 Throttle 25 N S SPRING 3 4 Throttle Valve L 26 N S BUSHING 3 4 Throttle Valve 27 N S VALVE 4 3 Control 28 N S SPRING 4 3 Control Valve 29 N S SPRING Lo Overrun Clutch Valve 30 N S VALVE Lo Overrun Clutch K 31 N S VALVE Lo 1st Detent A 32 N S BUSHING Lo Ist Detent Valve 33 N S VALVE 1 2 Shift 34 N S VALVE 1 2 Throttle 35 N S SPRING 1 2 Throttle Valve 36 N S BUSHING 1 2 Throttle Valve 37 N S VALVE Converter Clutch Shift 38 N S VALVE Converter Clutch Throttle 39 N S SPRING Converter Clutch Throttle Valve 40 N S BUSHING Converter Clutch Throttle 41 N S VALVE 2 3 Shift 42 N S VALVE 2 3 Throttle 43 N S SPRING 2 3 Throttle Valve 44 N S BUSHING 2 3 Throttle Valve 45 4 265 VALVE Manual 8634199 Gl l PARTS DIVISION GENERAL MOTORS CORPORAT ON BUICK 41A 1 9 80 4 35 4 000 GROUP