Vauxhall Velox and Cresta PAX 1960–1962 Transmission Manual TS498 | PDF Download

Vauxhall Velox and Cresta PAX 1960–1962 ervice Training Manual TS 498 covering repairs and rebuilding of the three-speed synchromesh manual transmission, steering-column gearshift controls, propeller shaft, universal joints, differential and rear axle.

Models Covered

• Vauxhall Velox PASX

• Vauxhall Cresta PADX

Engine: 2651cc (162 cu. in.) six-cylinder petrol engine.

Transmission: Three-speed synchromesh manual gearbox with column-mounted gearshift.

Chassis coverage: PADX and PASX chassis numbers 130000 onwards.

What's Included in This Manual

Manual Transmission Repair and Overhaul

• Three-speed synchromesh gearbox construction and operation

• Complete transmission removal and installation

• Gearbox dismantling, inspection and rebuilding

• Main drive pinion and mainshaft assemblies

• First, second and third-speed gears

• Reverse gear components

• Synchromesh rings, clutch hubs and sliding keys

• Transmission bearings and bearing inspection

• Gear selector shafts, forks and operating mechanisms

• Transmission casing and rear cover

• Speedometer driven gear and housing

• Gearbox oil seal replacement

• Component wear inspection and service specifications

Steering-Column Gearshift Controls

• Column-mounted gearshift mechanism and operation

• Gearshift linkage adjustment

• Gearshift control rods and selector levers

• Steering-column gearshift assembly removal

• Gearshift control dismantling and inspection

• Worn bushes, washers and linkage components

• Gearshift control reassembly and installation

• Gear selector controls mounted on the transmission

• Overdrive gearshift cut-out switch adjustment

Propeller Shaft and Universal Joints

• Propeller shaft construction and operation

• Propeller shaft removal and installation

• Front and rear universal joint replacement

• Universal joint needle roller bearings

• Sliding sleeve and splined coupling

• Universal joint dust shield replacement

• Propeller shaft arrangements for standard and overdrive transmissions

• Propeller shaft inspection and service specifications

Rear Axle and Differential

• Rear axle assembly removal and installation

• Rear axle dismantling, inspection and rebuilding

• Axle shaft removal, inspection and overhaul

• Axle shaft bearings and seals

• Differential case and internal gears

• Differential pinions and side gears

• Hypoid crown wheel and drive pinion

• Pinion bearing inspection and adjustment

• Hypoid gear and pinion positioning

• Differential bearing adjustment

• Rear axle pinion oil seal replacement

• Rear axle reassembly and final adjustments

• Rear axle measurements, tolerances and specifications

Transmission and Rear Axle Fault Diagnosis

• Difficulty engaging gears

• Gear grinding and faulty synchromesh operation

• Gears jumping out of engagement

• Loose or stiff gearshift lever

• Gearshift linkage wear and incorrect adjustment

• Transmission bearing and gear noise

• Rear axle whine and abnormal noise

• Differential gear and pinion noise

• Axle shaft and wheel bearing noise

• Incorrect gear backlash and bearing preload

Workshop Specifications and Technical Data

• Transmission gear and component specifications

• Gearbox bearing and shaft measurements

• Rear axle and differential adjustment specifications

• Gear and pinion positioning data

• Component clearances and tolerances

• Tightening torque specifications

• Recommended lubricants

• Factory illustrations, diagrams and repair procedures