Job 12 - Goodheart
Contents
1. large clamp over the groove in the boot Tighten the clamp by hand 25 Fully tighten both boot clamps using the correct special tool Caution D Do not cut through the boot by overtightening the clamp 26 Check for free movement of the CV joint and otherwise ensure that it is properly assembled Install a CV Axle 1 Install the inboard stub shaft of the CV axle assembly into the transaxle od 2 Install the outboard stub shaft of the CV axle assembly into the steering knuckle 3 Install the stub shaft nut on the outboard shaft 4 Adjust front wheel bearing preload if necessary ee 5 Install the brake rotor caliper and wheel speed sensor as needed Copyright by Goodheart Willcox Co Inc 75 Project 3 Job 12 Remove Inspect and Reinstall a CV Axle continued e 6 Reinstall the wheel _ 7 Lower the vehicle 8 9 Install the battery negative cable Start the engine 10 Check for proper brake operation 11 Road test the vehicle Job Wrap Up 1 Clean the work area and return any equipment to storage 2 Did you encounter any problems during this procedure Yes__ No ____ If Yes describe the problems What did you do to correct the problems 3 Have your instructor check your work and sign this job sheet Performance Evaluation Instructor Use Onl2. the nut holding the CV axle stub shaft to the wheel hub and bearing assembly 4 Raise the vehicle ssl Warning AN The vehicle must be raised and supported in a safe manner Always use an approved lift or jack and jack stands 5 Remove the wheel from the axle to be serviced 6 Cover the outer CV boot with a shop cloth or boot protector 7 If needed remove the tie rod end nut and use a ball joint separator to free the tie rod end from the steering knuckle Copyright by Goodheart Willcox Co Inc 71 Project 3 Job 12 Remove Inspect and Reinstall a CV Axle continued 8 Remove the stub shaft nut A special deep socket may be needed to remove the nut Figure 12 1 Note On some vehicles it is necessary to remove the brake rotor caliper and wheel speed sensor to gain access to the CV axle shaft assembly 9 Remove the CV axle shaft assembly from the steering knuckle Some shafts slide from the hub while others must be pressed out Note Removal of the CV axle shaft assembly from the steering knuckle may require the removal of the tie rod end strut assembly or lower ball joint Consult the proper manufacturer s service manual for exact procedures 72 10 Remove the CV axle shaft assembly from the transaxle with a suitable puller or pry bar If the transaxle uses a stub shaft that is attached to the CV axle by flanges remove the b
3. Name Date Instructor Period Cee ee ee ee Project 3 Job 12 Remove Inspect and Reinstall a CV Axle After completing this job you will be able to remove inspect and reinstall a CV axle Instructions As you read the job instructions answer the questions and perform the tasks Print your answers neatly and use complete sentences Consult the proper service literature and ask your instructor for help as needed Warning AN Before performing this job review all pertinent safety information in the text and discuss safety procedures with your instructor Procedures 1 Obtain a vehicle to be used in this job Your instructor may direct you to perform this job on a shop vehicle 2 Gather the tools needed to perform the following job Refer to the tools and materials list at the beginning of the project The following is a general procedure for CV axle service including typical CV joint repair and CV joint boot replacement Some Rzeppa and tripod joints cannot be repaired the entire assembly including the boot must be replaced Also some boots are made in two pieces and can be changed without removing the axle from the vehicle Always consult the manufacturer s service manual for exact CV joint repair or boot replacement procedures Remove a CV Axle 1 Disconnect the battery negative cable arpa 2 Place the vehicle transmission in neutral L 3 Loosen
4. ge and inner race from the housing Figure 12 2 Tap the bearing cage downward until the first ball can be removed Repeat the process until all balls are out Copyright by Goodheart Willcox Co Inc 73 a Project 3 Job 12 Remove Inspect and Reinstall a CV Axle continued Tripod Joint a Remove the snap ring or clip holding the joint together Figure 12 3 b Pull the tripod assembly from the housing c Remove the tripod assembly from the shaft Tripod joints may be held in place by a clip or may be pressed on the shaft Consult the service information for exact procedures to avoid damaging the joint or shaft Note Some CV joints are not serviceable and must be replaced as a unit 9 Wash all parts in solvent and dry with compressed air 10 Inspect all internal CV joint parts for excessive wear crack or chips and scoring Describe their condition 11 Check the joint splines and threads for damage Describe their condition 12 Report any CV joint component defects to your instructor Then determine which parts must be replaced 13 Obtain the proper replacement parts and compare them with the old parts to ensure that they are the correct replacements 14 Lightly lubricate all CV joint parts before proceeding Figure 12 3 Many tripod joints are held in place by a clip as shown here or a retaining collar DaimlerChrysler Wire ri
5. ng tripod retainer ae Housing 74 Copyright by Goodheart Willcox Co Inc Name Project 3 Job 12 continued 15 Align and install all CV joint parts according to the manufacturer s instructions L 16 If the CV joint boot has a one piece clamp slide the clamp onto the axle shaft Often it is easier to place the clamps on the boot before installing it 17 Install the CV joint boot on the axle shaft Note It may be necessary to position the small end of the boot lip face in line with a mark or groove on the shaft 18 Place the small clamp over the groove at the small end of the boot and tighten it by hand 19 Place sufficient grease in the boot cavity to provide lubrication for the CV joint during vehicle operation Caution D CV joints must be lubricated with special grease usually supplied with the replacement joint parts or boot Do not use ordinary chassis or wheel bearing grease 20 Position the CV joint over the splines of the axle shaft 21 Engage the splines and tap the joint into position with a wooden or rubber hammer 22 Install the joint to shaft clip if used 23 Pull the CV joint boot over the CV joint housing Ensure that the boot end fits snugly into the matching groove in the housing Caution D Ensure that the boot is not twisted or otherwise deformed during the installation process 24 Place the
6. olts attaching the flanges Note Cap the transaxle opening to prevent oil loss Figure 12 1 A special deep socket is sometimes needed to remove the stub shaft nut These sockets are usually sold in sets of three 30 mm 32 mm and 36 mm Copyright by Goodheart Willcox Co Inc Name es Project 3 Job 12 continued Repair a CV Joint and Replace the Boot a 1 Lightly clamp the axle shaft in a vise with soft jaws mD 2 Remove the clamps from the boot of the CV joint to be serviced or from the boot to be replaced 3 Pull the boot back from the CV joint and remove enough grease to further disassemble the mLD4 CV joint 4 If applicable remove the clip holding the CV joint to the axle shaft HIE 3 4 4 5 Place alignment marks on the joint housing and the axle shaft to aid in reassembly _ 6 Pull or tap the CV joint from the axle shaft 7 Remove the CV joint boot from the axle shaft Note Proceed to step 14 to continue with boot replacement only 8 Disassemble the CV joint by one of the following procedures depending on the CV joint type List the type of joint s to be serviced Rzeppa Joint a Tap the bearing cage downward with a brass drift Figure 12 2 until the ball on the opposite side can be removed through the cage opening b Repeat the previous step until all balls are removed c Remove the ca
7. y Did the student complete the job in the time allotted Yes__No__ If No which steps were not completed How would you rate this student s overall performance on this job 1 Excellent 2 Good 3 Satisfactory 4 Unsatisfactory 5 Poor Comments INSTRUCTOR S SIGNATURE 76 Copyright by Goodheart Willcox Co Inc
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