RENAULT Gearbox Repair Workshop Service Manual JB0 JB1 JB2 JB3 JB4 JB5 JC5

C "The repair methods given by the manufacturer in this document are based on the technical specifications current when it was prepared. The methods may be modified as a result of changes by the manufacturer in the production of the various component units and accessories from which his vehicles are constructed". All copyrights reserved by Renault. Copying or translating, in part or in full, of this document or use of the service part reference numbering system is forbidden without the prior written authority of Renault. 77 11 192 787 FEBRUARY 1997 Edition Anglaise Renault 1997 Manual gearboxes Type JB0 JB1 JB2 JB3 JB4 JB5 JC5 Renault 5 X X X X X Extra X X X Renault 9 X X X X X Renault 11 X X X X X Renault 19 X X X X X Renault 21 X X Clio X X X X X X Twingo X Laguna X X Mégane X X X Vehicle This document cancels and replaces JB Gearbox manual part number 77 11 093 922 and JC5 Gearbox manual part number 77 11 092 186 and technical notes n ° 1978, 2127, 2229A, 2284A, 2383A, 2457A. Workshop Repair Manual

Contents Pages Section view Identification Cross section - tightening torques Gears Capacity - Lubricants Special points Modifications Consumables Parts which must always be changed Special tools Gearbox repair Shafts Differential Internal controls Lubrication channel Reverse gear shaft Reverse gear brake Speedometer Thrust pad guide tube Assembling the housings Exploded view parts directory Exploded views 21-1 21-2 21-3 21-8 21-28 21-29 21-30 21-32 21-32 21-33 21-37 21-44 21-62 21-76 21-79 21-80 21-81 21-84 21-89 21-97 21-107 21-108 MANUAL GEARBOX 21

DI2102 DI2101 MANUAL GEARBOX Section view 21 JB0 JB2 JB4 JB1 JB3 JB5 JC5 21-1

90775 MANUAL GEARBOX Identification 21 1 st assembly 90 775 Following saturation of the production numbering system on the identification plate of JB and JC gearboxes, a new numbering system will be in force for numbers greater than 999 999 (at C). These will have a letter in place of the first number, (at G). DI2117-2 2 nd assembly At A : Gearbox type. At B : Gearbox suffix. At C : Production number. At A : Gearbox type. At B : Gearbox suffix. At C : Production number. At D : Manufacturing factory. At E : A notch if the gearbox is assembled with a C or E engine. At F : Homologation letter. At G : Letter preceding production numbers greater than 999 999. TYPE XXX - XX 000000 A C B 000 J B0 AA X 0 0 0 0 0 0 0 B C A D F X 000 J B0 B A E D C X0 0 0 0 0 G DI2117-1 21-2

MANUAL GEARBOX Cross-section and Tightening torques (in daN.m) 21 JB 4-speed manual gearbox - 1 st assembly 85680R 21-3

MANUAL GEARBOX Cross-section and Tightening torques (in daN.m) 21 JB 4-speed manual gearbox - 2 nd assembly 88519R 21-4

MANUAL GEARBOX Cross-section and Tightening torques (in daN.m) 21 5-speed manual gearbox 90674R1 21-5

DI2126 MANUAL GEARBOX Cross-section and Tightening torques (in daN.m) 21 JC 5-speed manual gearbox 21-6

MANUAL GEARBOX Tightening torques 21 Tightening torques Description Torque in daN.m Bolt securing the mechanism housing to the clutch housing 2.5 Output shaft bolt 7 Input shaft nut 13.5 Body (5th gear detent) 2 Rear cover bolt 2.5 Thrust pad guide tube bolt 2.5 Drain plug 2.5 Reversing lights switch 2.5 Bolt securing the left-hand drive shaft bellows 2.5 Bolt securing the gearbox to the cylinder block 5 21-7

MANUAL GEARBOX Gears 21 These tables group together all of the gears available for JB gearboxes. JB0 gear table Gearbox suffixes Vehicles Differential ratio Speedometer drive gear Gear 000 L 421 - L 422 - L 425 B/C/S 371 B/C 372 C 37S 15 -- 58 21 -- 19 A 003 L 422 14 -- 59 21 -- 19 A 004 L 422 B/C 372 15 -- 58 21 -- 19 A 006 L 422 - L423 14 -- 59 21 -- 19 B 008 L422 B/C 372 15 -- 58 21 -- 19 B 009 B/C/S 404 19 -- 59 21 -- 20 B 010 F 404 16 -- 57 21 -- 19 B 011 L 421 - L 422 - L 423 L425 - L 426 B/C/S 371 B/C 372 - B/C 375 F 401 - F 40H 15 -- 58 21 -- 19 B 014 F 400 14 -- 63 21 -- 19 B Gear 1st 2nd 3rd 4th Reverse A 11 -- 39 16 -- 33 25 -- 33 31 -- 28 11 -- 26 39 B 11 -- 41 19 -- 39 25 -- 33 31 -- 28 11 -- 26 39 C 11 -- 41 21 -- 43 28 -- 37 31 -- 28 11 -- 26 39 21-8

RENAULT Gearbox Repair Workshop Service Manual JB0 JB1 JB2 JB3 JB4 JB5 JC5

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