7 2 TRANSMISSION Turbo Hydra Mavic 375 400 1 TURBO HYDRA MATIC 11 375 und 400 1 1 1 The 1972 transmission is essentially the same as used in 1971 with the following exceptions 1 1 1 1 1 A new model transmission Model OA will be used NOTE Do not remove the teflon oil seal rings from 11 1 1 in 88 and Vista Cruiser models using the 350 cu i n engine the rear accumulator piston unless the oil seal rings 1 1 The new model Model OA is referred to as Turbo require replacement 1 Hydra Matic 375 The servicing adjustment disassembly If the teflon inner oil seal ring small diameter requires 1 and assembly is identical to the Turbo Hydra Matic 400 replacement use the aluminum oil seal ring 1 11 with the exception of the number of clutch plates used The rear accumulator piston large diameterr ing groove 1 1 Refer to Infomation Chart in this section depth is machined shallower to take the large tegontiil 1 al if th 1 I1 l u l lZf dIEi 4a IcLi17 ml 1usHShPyO1 1 s a1 Hmrrigglsealrm1 V requues rep acement use o y e on e ou pu sim r o a use cnprevious ur o M lllll Hydra Matic 350 models The remowl and installation of l 1 the seal is the same as describedin the 1971 Service Manual 5 The intermediate sprag clutch has been replaced 1 1 1 1 except that a new tool is required Tool J 24144 with a roller clutch Refer to exploded view of direct clutch 11111 3 The valve body assembly has been re calibrated with and intermediate roller clutch asembly in this section 1 1 a change in the 1 2 accumulator bore The 1 2 accumulator 6 The extension housing seal rear seal can be 1 12 1 primary valve primary spring and bushing has been installed in the Turbo Hydra Matic 375 using installing tool 1 eliminated Refer to exploded view of valve body in this J 5154 or J 21426 ll 1 section 7 Mid 1971 changes that will be used in 1972 models 1 1 1 4 Rear accumulator piston now has teflon oil rings a Redesigned sun gear shaft 11 1111 1 11 1 1 at 10A 1 11 v A W 1 111 1 Q 1 I 1 I 1 i FE C AL J 23 4 5 6 7 1 1 e l0 11 12 13 1111 n 1 1 r 1l 1 1 l 1111 1111 ls lb 7 1 a 1 t 1 4 game Z mm IEHMVNNYK I 1 is ie 20 21 22 as 1 1111111 i g mmm g 1 1111 24 as za 17 28 1 1 U 11 1 l 1 Manual Valve 14 Grooverl Retaining Pin 1 111 2 Retaining 15 Bore Plug 1 1 1 3 Bore Plug 16 1 Z Accumulator Secondary Spring 11 4 Detentvalve 17 1 Z Accumulator Secondary Valve 1 5 Detent Regulator Valve 18 2 3 Shift Valve 11 6 Spacer Pin 19 3 2 Intermediate Spring 11 7 Detent Regulator Spring 20 2 3 Nwdulator Valve 1 S 1 Z Shirt Valve 21 2 3 Valve Spring 1 9 l 2 Detenl Valve 22 2 3 Modulator Bushing 9A l Z Modulator Valve 23 Retaining Pin 10 l 2 Regulator Spring 24 3 2 Valve 1 10A 1 2 Modulator Valve Spring 25 Spacer Pin 1 1 ll 1 2 Regulator Valve 26 3 2 Valve Spring 12 1 2 Modulator Bushing 27 Bore Plug 13 Retaining Pin 28 Retaining Pin Qi F 7 2 Valve Body xc Toronado 1 1 18 1 1 t1 1 J