Construcion Mechanic Basic CH. 11 Drive Lines, Differentials, Drive Axles, and Power Train Accessories

What component of a differential assembly holds the ring gear, the spider gears, and the inner ends of the axles?

Case

Under rapid acceleration, the differential pinion gears of a cone clutch limited-slip differential push outward on what components?

Cone Gears

What type of universal joint is most often used?

Cross and roller

In what gear is a worn universal joint most often noticed?

Reverse

What is the proper tool for removing a housing-mounted axle seal?

Slide Hammer

What action allows for a change in distance between the transaxle and the wheel hub?

Sliding action of the interconnecting shaft

What component of a drive shaft assembly provides free movement in a horizontal direction and is capable of transmitting torque?

Slip Yoke

The outer end of the pinion gear is joined to the rear U-joint companion flange by what components?

Splines

In a clutch pack type limited-slip differential, clutch packs are applied by the _______.

Spring force adn the thrust action of the spider gears

Which is NOT a function of a pillow block bearing in an auxiliary power train?

To prevent shimmy and poor control

The ideal tooth contact pattern on a used gear will have considerably more contact in which area of the gear?

Toe

What type of drive shaft is enclosed and rotates within a support bearing to prevent whipping?

Torque Tube

What component is used to divide engine torque between the front and rear driving axles?

Transfer Case

What condition is generally accepted as the first hint of differential troubles?

Unusual Noises

Which condition permits the drive shaft of a front drive axle to pass beside the engine oil?

Using a transfer case

A power takeoff unit is driven by what shaft of the transmission?

countershaft

When reassembling a universal joint, you should use what type of lubricant to prevent the bearings from falling out of the bearing cap?

high-temperature grease

Where are the vehicle weight-supporting bearings in a full-floating axle located?

on the outer end of the axle housing

. When the driven shaft of a Rzeppa CV joint is moved 30 degrees, the cage and balls move what number of degrees?

15

Which gear ratio of a final drive provides a substantial increase in acceleration but decreases fuel economy?

4.11

Which is a function of the differential in an automotive vehicle?

Allows the axles to turn at different speeds when cornering

What component of a differential drives the ring gear?

Pinion Gear

Faulty operation of a power takeoff unit is caused by which problem?

Damaged Linkage

To help ensure axle bearing problems do NOT reoccur, you should take what action?

Determine the cause of the part failure

Shifting is accomplished in a gear type transfer case by what component?

Sliding dog clutch

When performing a drive shaft inspection, what action do you take to check the U-joints?

Wiggle and rotate each joint back and forth

Which condition indicates that a center support bearing is faulty?

whining noise in the drive line

When replacing the center support bearing, which condition should you ensure takes place?

Drive shaft alignment is maintained

Which condition generates a clunking sound in the differential?

Excessive backlash between the ring-and-pinion gears

When an operator reports that the transfer case is hard to shift, which problem is NOT a possible cause?

Excessive end play

When you are removing the drive shaft from a vehicle, what component can be damaged if you allow the full weight of the drive shaft to hang from the slip yoke?

Extension housing

What type of axle housing is most often used?

Guitar

When removing a pressed-on bearing collar from an axle, you should use which tool?

Hand grinder

Worn or damaged axle bearings produce what type of sound?

Humming

What type of final drive has the pinion gear meshing with the ring gear below the center line and at a slight angle?

Hypoid

Which differential trouble will produce a humming noise?

Improperly adjusted ring and pinion gears

. When removing an axle bearing using a hydraulic press, you should place the driving tool so it contacts what area of the bearing?

Inner race

In a front-wheel drive vehicle, what component of the front-wheel drive axle is splined to the side gears in the differential?

Inner stub shaft

What type of differential carrier is constructed as part of the axle housing?

Integral

In the front drive axle of a four-wheel drive vehicle, what component transfers power from the drive axles to the drive wheels?

Locking hubs

In a two-speed final drive, what component is placed between the differential drive ring gear and the differential case?

Planetary gear train

Why are automotive axle housings vented?

To prevent pressure buildup