You will need: a pipe (gas) wrench, a screwdriver, a chisel, a punch, a hammer, a universal joint puller, a snap ring puller, a wire brush, penetrating lubricant (for example, WD-40)

The assembled driveshafts are balanced at the manufacturer's plant.

Therefore, it is necessary to maintain the relative position of the parts during disassembly and subsequent assembly, otherwise vibrations may occur when the car is moving.

Some of the manufactured cars are equipped with front and rear driveshafts with constant velocity joints.

Niva Chevrolet driveshaft repair operations

Clean the parts thoroughly.

Niva Chevrolet driveshaft repair operations

Use a chisel to mark the relative positions of the cardan joint forks.

Niva Chevrolet driveshaft repair operations

Treat the installation locations of the retaining rings with penetrating lubricant.

Niva Chevrolet driveshaft repair operations

Using a hammer and punch, move the retaining ring and remove the retaining ring with a special puller or round-nose pliers.

Niva Chevrolet driveshaft repair operations

Niva Chevrolet driveshaft repair operations

Using a puller, move the bearings in forks of the universal joint so that one of the bearings partially comes out of the fork eye

Repair operations of the Niva Chevrolet universal joint

If there is no puller, use a hammer and a mandrel of a suitable diameter to move the fork relative to the bearing.

Niva Chevrolet driveshaft repair operations

Remove the bearing from the fork eye with a pipe (gas) wrench or by clamping it in a vice.

Niva Chevrolet driveshaft repair operations

Niva Chevrolet driveshaft repair operations

Remove the fork-flange

Niva Chevrolet driveshaft repair operations

Using a punch, remove the second bearing by installing the fork-flange on the end head of a suitable diameter.

Niva Chevrolet cardan transmission repair operations

Disassemble the second shaft joint in the same way.

Apply marks to determine the relative position of the sliding fork of the cardan joint and the shaft.

Repair operations of the cardan transmission of the Niva Chevrolet

Niva Chevrolet driveshaft repair operations

Use a screwdriver to bend the tabs of the seal collar and slide the collar along the shaft.

Niva Chevrolet driveshaft repair operations

Remove the sliding fork.

Niva Chevrolet driveshaft repair operations

If necessary, remove the oil seal by prying it with a screwdriver.

Clean and inspect all removed parts.

Assess the condition of the bearing housings, needles, crosspiece pins, oil seals.

If the specified parts are damaged or worn, replace the crosspiece in assembly

Before assembling the joint, carefully clean the grooves in the lugs for the retaining rings with a slotted screwdriver.

Niva Chevrolet cardan transmission repair operations

Remove old grease from the splined joint and the inner surfaces of the bearing housings.

Apply Fiol-2U grease or similar.

Install the parts in the reverse order of removal, aligning the marks applied before disassembly.