Chapter 15 Constant-Velocity Axle Problems, Troubleshooting, and Service 307
Copyright by Goodheart-Willcox Co., Inc.
4. Summarize four safety precautions that should be
followed when working with CV axles.
5. Since there are many design variations, what should
you do when in doubt about a CV axle service
procedure?
6. What can happen if you use engine power to drive the
front wheels with the front suspension and drive axles
unsupported?
7. What should you do if you suspect an axle shaft is
bent?
8. The ability of _____ joints to compensate for changes
in the effective distance between the transaxle and the
wheel hub while allowing the axle assembly to flex
makes them popular.
9. In your own words, explain how to service a tripod
joint.
10. In your own words, explain the service procedure for
a ball-and-cage joint.
11. Why should you install new boots during CV axle
service?
12. Explain the procedure for installing CV axles.
ASE-Type Questions—Chapter 15
1. A CV axle is making a clicking noise. One of the CV
joint boots is torn. Technician A says that the noise
could be caused by a worn CV joint. Technician B
says that regreasing the CV joint could eliminate the
noise. Who is right?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.
2. Each of the following abnormal noises is typical of
those coming from a dry CV joint except:
(A) popping.
(B) clicking.
(C) snapping.
(D) rumbling.
3. CV axle vibrations can be caused by each of the
following except:
(A) loose boot clamps.
(B) worn joints.
(C) a bent axle.
(D) loose axle attaching bolts.
4. When a CV joint boot is squeezed, air is heard escap-
ing. Technician A says that the boot is torn or a boot
clamp is defective. Technician B says that the boot
vent is working normally. Who is right?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.
5. Technician A says that the CV axles must be removed
from the transaxle before removing the transaxle from
the vehicle. Technician B says that CV axles must
always be removed from the wheel hub and bearing
assemblies before removing the transaxle. Who is
right?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.
6. A new CV joint boot is being installed on a CV axle.
Technician A says that some replacement boots can
be installed without removing the CV axle. Technician
B says that the boot clamps can be removed with a
screwdriver. Who is right?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.
7. Each of the following statements about servicing
pressed-in wheel bearings is true except:
(A) the CV axle shaft must be pressed from the wheel
hub.
(B) many wheel bearings are pressed into the bearing
carrier or the steering knuckle, and the wheel hub
is pressed into the bearing.
(C) if tapered roller bearings are used, the bearing
races must be replaced when the bearings are
replaced.
(D) some bearing assemblies require installation of a
collapsible spacer.
8. Technician A says that tripod joints are the most com-
mon type of universal joint found on CV axles.
Technician B says that tripod joints, when used,
almost always serve as the inner CV joint. Who is
right?
(A) A only.
(B) B only.
(C) Both A and B.
(D) Neither A nor B.