Drive lines

Name three types of cardan joints

1. Dana style has external clips. 2. Cleveland style has internal clips. 3. GM plastic molded

List the five requirements of a drive line

1. Flexibility- u-joints. 2. Length change -slip yolk 3. Proper working angles- cancel speed changes 4. Balanced- cancel vibration 5. Phasing- all u-joint on the same plane

What is the maximum practical length of a one piece drive shaft?

68 inches

If we use a two-piece driveshaft what additional component is needed

Center support bearing

What type of concerns would be present if we had a worn inboard joint?

Clunk or Shutter

What would the customer complaint be if you had a broken trans axle or motor mount?

Clunk or shutter

On a front wheel drive half shaft what component does the same function as a slip yoke?

Inboard plunge joint

Describe why a double cardan is classified as a CV joint?

It divides the angle in 2 and cancels the speed changes

What part if any does half shafts and CV joints play in the steering system?

It plays no part just the ability to move forward and backward

What should you do before removing a two-piece driveshaft?

Mark it for position

What component would usually cause a clicking noise when turning?

Outboard rzeppa joint

What is the most common out board joint and how sharp can it turn?

Rzeppa joint and 48 degrees

Describe the following CV joints, and if they are fixed or plunge joints

Rzeppa- outboard fixed Tripot-inboard plunging Cross grove- inboard plunging Double offset - inboard plunging

What is the reason for incorporating a slip yoke in a driveshaft

To allow length change of the drive line

Which way does a Zerk fitting need to be facing?

Towards the driveshaft tube

Define speed fluctuation

Two drive line components, turning at different speeds

If we have dry needle bearings in a U joint, what symptoms would likely occur?

Vibration on acceleration