Vauxhall Velox and Cresta PA 1957–1960 Transmission Manual TS405 | PDF Download

Vauxhall Velox and Cresta PA Transmission, Propeller Shaft and Rear Axle Service Training Manual TS 405, covering gearbox repairs, gear selection problems, universal joints, differential overhaul and rear axle repairs.

Originally published by Vauxhall Motors Ltd as factory Service Training Manual TS.405.

Models Covered

• Vauxhall Velox PA – Model PAS, 6-cylinder saloon

• Vauxhall Cresta PA – Model PAD, 6-cylinder saloon

What's Included in This Manual

Gearbox and Transmission Repairs

• Three-speed manual gearbox construction and operation

• Gearbox removal and installation

• Complete gearbox dismantling, inspection and rebuilding

• Mainshaft, main drive pinion and gear assemblies

• First, second, third and reverse gears

• Synchromesh rings, hubs and sliding clutches

• Gearbox bearings, bushes, shafts and oil seals

• Speedometer driven gear, housing and oil seal

• Transmission rear cover and oil seal replacement

• Gearbox specifications, clearances and adjustments

Gearshift Controls and Linkages

• Steering-column gearshift mechanism

• Gear selector rods, levers and linkages

• Gearshift control adjustment

• Gearshift and steering-column assembly removal

• Dismantling, inspection and reassembly of gearshift controls

• Transmission-mounted selector mechanism repairs

• Correcting stiff, loose or incorrectly adjusted gear selection

Propeller Shaft and Universal Joints

• Propeller shaft removal and installation

• Front and rear universal joint construction

• Universal joint trunnion and needle roller bearing replacement

• Sliding sleeve and splined connections

• Universal joint bearing races, seals and retaining rings

• Front universal joint dust excluder sleeve replacement

• Propeller shaft specifications and lubrication

Rear Axle and Differential

• Rear axle assembly removal and installation

• Rear axle dismantling, inspection and rebuilding

• Axle shaft removal and installation

• Axle shaft bearings and oil seals

• Differential assembly removal and overhaul

• Crown wheel (hypoid gear) and pinion inspection

• Pinion bearings and oil seal replacement

• Differential bearing adjustment

• Hypoid gear and pinion positioning

• Gear backlash and bearing preload settings

• Rear axle specifications and assembly adjustments

Fault Finding and Diagnosis

• Difficulty engaging gears

• Faulty synchromesh operation and gear clash

• Gears jumping out of engagement

• Stiff or loose gearshift lever

• Rear axle whining and unusual noises

• Differential gear and pinion noise

• Worn or noisy bearings

• Identifying gearbox, axle and other sources of drivetrain noise

Additional Workshop Information

• Ball and roller bearing removal, cleaning and inspection

• Transmission and rear axle technical specifications

• Tightening torque figures

• Recommended lubricants and oil capacities

• Factory workshop tools and equipment

• Illustrated repair procedures and component diagrams