THREE SPEED TRANSMISSION 7 8 Installation GEARSHIFT CONTROL ASSEMBLY l Shift the cover Shlft h 3d and fork assembhes m Whenever excessive looseness of the floor shift tower neutral detent center positions fig 10A is experienced or at any time a shift mechanism 1S 2 Shift transmission synchromzer sleeves to neutral t d f H t 11 9 k t d disassembled for service the following information may posl Kms an Careu Y msa GOV r ga Q gn be used to select the proper shim pack for the shift fork assembly to case Be sure forks align with tower and floor pan their Synchronizer Sleeve grooves and selector finger with shifter heads Shim Stack Selection 3 Tighten cover bolts to specified torque Remove the shift housing trim cover on Corsa models 4 Remove filler plug and fill transmission to level of by removing the two cross recess head screws and the filler plug hole with lubricant specified in Section 0 shift lever knob Provide access to the shift tower by 1 2 3 4 5 6 if 10 1 1 12 13 l l ll 5 l l t il A x V i g i B t l819 S 3 3 err A I4 J 4 s we f i 3 S 4 4 I M 1 25 26 237 28 29 303l l l l l 23 24 X eg S 32 33 34 35 36 37 38 20 21 22 J j 6 V 5 is at i 67 W lll X 6869 iiii tl if k ll z y 1V 70 f g 57 w f J S 71 ag i W 582 Q l 3 5960 I p 5 J l 3 ir l x 1 4 t 53 4 s 1 il S 5051 52 0 48 49 os of 46 47 64 ll 42 43 if 45 4 ttit 4 llll AO ZF 66 V SQ gy if 3 a2 Fig l lA 3 Speed Exploded l Woodruff Key I9 Retainer E Ring 37 Gasket 55 lst Speed Blocker Ring 2 Countershaft 20 2nd Speed Gear 38 Clutch Gear Retainer 56 lst Speed Gear 3 Thrust Washer 2l 2nd Speed Blocker Ring 39 Mainshaft 57 lst 8 Reverse Shift Fork 4 Needle Washer 22 2 3 Synchronizer Sleeve 40 Snap Ring Bearing to Shaft 58 Interlock Ball 5 Countergear 23 Synchronizer Key Retainer 41 Retainer Bolt 59 Interlock Ball 6 Spring N S S 24 Synchronizer Keys 42 Retainer Strap 60 lst 8 Reverse Shift Rail g 7 Anti Rattle Plate N S S 25 Synchronizer Hub 43 Mainshaft Rear Bearing 6l Detent Ball B Needle Washer 26 Synchronizer Key Retainer 44 Bearing Retainer 62 Detent Spring 9 Thrust Washer 27 Snap Ring 45 Snap Ring Bearing to Retainer 63 lst 8 Reverse Shifter Head l0 Filler Plug 28 3rd Speed Blocker Ring 46 Spring Washer 64 Roll Pin ll Case 29 Clutch Gear 47 Thrust Washer 65 Gasket 12 Shift Selector Shaft 30 Pilot Bearings 48 Reverse Gear 66 Side Cover l3 Seal 3l Snap Ring 49 Snap Ring 67 2nd 8 3rd Shift Fork l4 Needle Bearings 32 Shifter Finger 50 lst 8 Reverse Synch Sleeve 68 2nd 8 3rd Shift Rail l5 Woodruff Key 33 Screws 8 L Washers 5l Synchronizer Key Retainer 69 Detent Ball l6 Reverse ldler Shaft 34 Clutch Gear Bearing 52 Synchronizer Keys 70 Detent Spring l7 Thrust Washer Tanged 35 Snap Ring Bearing to Gear 53 Synchronizer Hub 7l 2nd 8 3rd Shifter Head l8 Reverse Idler Gear 36 Snap Ring Bearing to Case 54 Synchronizer Key Retainer 72 Roll Pin copvm snop Mmuai supplenem