test chapter 4o and 45

Fixed-tripod-type CV joints are being discussed. Technician A says the fixed tripod joint cannot be removed from the drive shaft or disassembled because of the way it is manufactured. Technician B says the fixed tripod joint has less angular capability than a Rzeppa-type joint. Who is correct? (6.25pts) A only B only both A and B neither A nor B

Rationale: A only

Which of the following describes the double Cardan universal joint? (6.25pts) It is often installed in front-engine, rear-wheel drive luxury automobiles It is classified as a constant velocity U-joint A centering ball socket is inside the coupling yoke between the two universal joints All answers are correct

Rationale: All answers are correct

Technician A says front bearing assembly locknuts for RWD vehicles are typically heavily torqued to maintain the bearing adjustment. Technician B says the axle nut for a FWD front wheel bearing assembly is often staked in place. Who is correct? (25pts) A only B only both A and B neither A nor B

Rationale: B only

Technician A uses an oxyacetylene torch to remove the axle bearing retaining ring. Technician B uses a steel cold chisel and hammer. Who is correct? (6.25pts) A only B only both A and B neither A nor B

Rationale: B only

6.25/6.25 Axle shafts with CV joints at each end are found on the ______. (6.25pts) front wheels of FWD cars rear wheels of RWD cars with independent rear suspension front wheels of 4WD SUVs with independent front suspension all answers are correct

Rationale: all answers are correct

A humming or growling noise in the front of the vehicle that changes with road speed could be caused by ______. (6.25pts) inadequate lubrication of the inner CV joint worn or damaged wheel bearings a bad intermediate shaft bearing [equal length axle shaft system] all answers are correct

Rationale: all answers are correct

The bearing cups of a conventional U-joint are retained by ______. (6.25pts) a snap ring that fits into a groove machined in the outer end of the yoke an external snap ring that fits into a groove machined in the bearing cup on the end closest to the grease seal nylon injected into machined grooves in the yoke and cup all answers are correc

Rationale: all answers are correct

6.25/6.25 In RWD applications with IRS, the ______ CV joint is a plunge type. (6.25pts) inboard outboard both "inboard" and "outboard" neither "inboard" nor "outboard"

Rationale: both "inboard" and "outboard"

Driveshaft speed variation is being discussed. Technician A says the speed variations at the transmission yoke end of the driveshaft are canceled out by the speed variations at the pinion flange end. Technician B says the operating angles at each end must be equal for the speed variations to cancel each other out. Who is correct? (6.25pts) A only B only both A and B neither A nor B

Rationale: both A and B

Technician A says an uneven rumble or a grinding sound indicates possible wheel bearing problems. Technician B says wheel bearings should be checked for wear and looseness by grasping the top and bottom of the tire and trying to wobble the wheel and tire back and forth. Who is correct? (25pts) A only B only both A and B neither A nor B

Rationale: both A and B

Technician A says the differential allows torque to be transmitted to the driving axles at different speeds when the vehicle is turning a corner. Technician B says the gear ratio of the drive axle's ring and pinion gears provide a gear reduction and torque multiplication. Who is correct ? (6.25pts) A only B only both A and B neither A nor B

Rationale: both A and B

Technician A says the front wheel bearings on a typical FWD car are pressed in and out of the steering knuckle. Technician B says the rear wheel bearings on a typical FWD car are often serviced in the same way as the front wheel bearings for an RWD car. Who is correct? (25pts) A only B only both A and B neither A nor B

Rationale: both A and B

A popping or clicking noise when turning indicates a possible worn ______ CV joint. (6.25pts) outer inner both "inner" and "outer" neither "inner" nor "outer"

Rationale: outer

A collapsible pinion spacer is used to set the ______. (6.25pts) pinion depth pinion bearing preload housing [carrier] bearing preload backlash

Rationale: pinion bearing preload

Whenever a tapered roller bearing is replaced, its ______ must be replaced with it. (25pts) castellated nut thrust washer spindle race

Rationale: race

Which type of drive axle supports the weight of the vehicle? (6.25pts) semifloating three-quarter floating full-floating both "semifloating" and "three-quarter floating"

Rationale: semifloating

Pinion gear depth is adjusted by ______. (6.25pts) threaded adjusters behind the housing bearing outer cups shims placed between the differential housing [carrier] and housing bearings threaded adjusters between the companion flange and front pinion bearing shims placed between the pinion bearing and pinion gear

Rationale: shims placed between the pinion bearing and pinion gear

6.25/6.25 CV joints are lubricated with ______. (6.25pts) GL1 chassis grease silicone polymer-based grease white lithium grease special high-temperature, high-pressure grease made specifically for CV joints

Rationale: special high-temperature, high-pressure grease made specifically for CV joints

C-shaped washers [C-locks] are used to retain the axle shaft used with _____ bearings. (6.25pts) sealed ball tapered roller straight roller all answers are correct

Rationale: straight roller

A shudder or vibration only when accelerating is most likely caused by ______. (6.25pts) out-of-balance axle shaft excessive play in the inboard plunge joint both "out-of-balance axle shaft" and "excessive play in the inboard plunge joint" neither "out-of-balance axle shaft" nor "excessive play in the inboard plunge joint"

excessive play in the inboard plunge joint