CLUTCH AND TRANSMISSIONS 7 11 1 2 34 5 6 7891O 11 12 13141516171819 20 t 77 7 7 M7i 7w V 1 A A S P l 111 i 1 1 i l K I V I 1 1 1 1 i1 ae 1 I 4 ru 1 22 r I df 1 1 1 J r v 23 z1 1141 L gz I r C 17 EPV lt f 2 P li 1 1 1V 1 6 i li l i if 1 2A k 6 I H rr 11 40 1 Y V g 11 4 1 MW g W 39 1 AV F il 1 1 111 C 1 zi 1 x g r 25 111 1 1 26 D7 1 1 111 1 A 26 37 A W 36 r T 1 1 z 2 4 35 z 7 11 30 V V V 2 Miugi rv w fg I Vx g ij t ssa f E 1 2 V 1 sz 3 11 1 M N l REVERSE INHIBITOR i rw 7 7M rrV N M du mi Fig 1B Four Speed Cross Section 1 Bearing Retainer 12 Second Speed Gear 21 Retainer Strap 30 Reverse ldler Gear Sliding 2 Snap Ring Bearing to Gear 13 2nd Speed Blocker Ring 22 Snap Ring Rear Bearing 31 Woodruff Key 3 Snap Ring Bearing to Case 14 1 2 Speed Synch Hub to Retainer 32 Selector Shaft 4 Clutch Gear Bearing 1 5 1 2 Speed Synch Sleeve 8 23 Rear Bearing 33 Welsh Plug 5 Clutch Gear Reverse Gear 24 Snap Ring Bearing to Mainshaft 34 Oil Seal 6 4th Speed Blocker Ring 16 Snap Ring 1 2 Speed Synch 25 Synchronizer Key 35 Shift Finger 7 Snap Ring 3 4 Synch 17 First Speed Blocker Ring 26 Countershaft Roller Bearings 36 Countergear 8 3 4 Synch Hub 18 Reverse Gear 27 Counter Shaft 37 Front Thrust Washer 9 3 4 Synch Sleeve 19 Reverse Gear Thrust 8 28 Rear Thrust Washer 39 Mainshaft Pilot Bearings 10 3rd Speed Blocker Ring Spring Washers 29 Reverse Idler Shaft 40 Snap Ring 11 Third Speed Gear 20 Rear Bearing Retainer forward movement of the reverse idler gear dis The following parts are the same as those used in the tinguishes this shaft from the three speed transmission Corvair three speed transmission cover head to shaft reverse idler shaft Otherwise service procedure is the pins interlock and detent balls detent springs third and same as for the three speed transmission fourth shifter shaft the three speed second and third shifter shaft and third and fourth shifter head and fork COVER ASSEMBLY assembly the three speed second and third shifter head The cover on the new four speed transmission is lo angfork assslmblyz A bl P d VG Gd cated on the left hand side of the case All shift controls in H i1 0ny an Ssem y mcg ures are CO r except the selector shaft and selector finger are located on the cover The backup lamp switch is located on the CASE cover position described under Corvair three speed transmission cover assembly The case has afiller plug opening on the right hand CORVAIR SHOP MANUAL SUPPLEMENT