Removal
Remove the wheel drive shaft.
Clamp the drive shaft in a vice using wooden blocks.
Check the radial play of the CV joint, which indicates wear of the joint parts. Check each CV joint for smooth operation through its full range of motion. If the boot is torn, remove the CV joint, disassemble, clean, and inspect it for damage due to loss of lubricant or possible contamination by foreign particles.
Using a small screwdriver, release the clamps, loosen the protective cover mounting clamps and slide them along the shaft.
Figure 10.5. Removing the protective cover from the inner joint of the "tripoid" type
Using a screwdriver blade, pry the outer edge of the boot off the inner CV joint. If the boot is torn, cut it off. Remove the inner edge of the boot and slide it off the "tripod-type" CV joint (figure 10.5). The tripod is a three-arm hinge, each arm of which has a hardened steel roller attached to it.
Use paint or a marker to mark the relative positions of the drive shaft and tripod.
Figure 10.6. Removing the snap ring securing the tripod to the shaft
Using a special tool, remove the snap ring securing the tripod to the shaft (figure 10.6).
Figure 10.7. Using a hammer and brass drift to remove the tripod from the drive shaft
Using a hammer and a brass drift, knock the tripod off the drive shaft, being careful not to damage the shaft splines and tripod rollers (figure 10.7).
If working on the right drive shaft, mark the location of the balancer and remove it. To remove the balancer, you may need to use a press.
Examination
Clean all CV joint parts until all old grease is removed. Inspect the working surfaces of the tripod rollers for cracks, pitting, wear, and other signs of wear.
If the inner CV joint is worn, replace it.
If the outer CV joint is worn, it must be replaced along with the wheel drive shaft.
Installation
Wrap the splines of the inner end of the drive shaft with adhesive tape to prevent damage to the protective boot on the sharp edges of the shaft splines.
Slide the clamp and protective boot onto the drive shaft.
Install the tripod onto the drive shaft splines and secure it with a retaining ring. Lubricate the tripod and the inner surface of the hinge housing. Insert the hinge into the housing and fill it with the remaining grease.
Place the protective cover on the hinge, making sure that the cover's mounting points fit into the designated grooves.
Figure 10.8. Location for measuring the drive shaft length
Measure the length of the drive shaft, which should match the length given in the technical data (figure 10.8).
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Secure the protective cover with clamps, using a screwdriver to first lift the inner edge of the cover to equalize the air pressure under the cover.
Figure 10.9. Using a special tool to fasten the clamp: 1 – protective case; 2 – special tool; 3 – clamp clamp
A special tool is required to secure the clamps (figure 10.9). Place the jaws of the tool on the corners of the clamp clamp and tighten the jaws with a screw in this position.
Install the drive shaft onto the vehicle.