Front and rear driveshafts. 1 - hinge flange, 2 - oiler, 3 - universal joint cross, 4 - joint bearing, 5 - retaining ring, 6 - joint flange, 7 - cardan shaft, 8 - dust cover, 9 - fork with a long sleeve.
Attention: when installing the cardan shaft in a vise, use soft pads so as not to deform the pipe.
Removing the front and rear driveshafts
1. Mark the universal joint flange and the final drive gear flange mating with it. Remove the four bolts and nuts, then disconnect the propeller shaft from the gearbox.
2. Mark the universal joint flange and the mating transfer case flange. Turn away four bolts and remove cardan shaft.
Checking individual elements of the cardan shaft
1. Check the cardan shaft for damage.
2. Measure the driveshaft runout with a dial indicator. If the shaft runout exceeds the specified value, then replace the shaft.
Maximum runout - 0.8 mm
3. Check the propeller shaft bearings for wear or damage.
4. Check the axial clearance of the propeller shaft cross by turning the fork by hand and holding the shaft itself. Replace the cross bearing if necessary.
Axial clearance less than - 0.05 mm
Dismantling the cardan shaft
1. Mark the long sleeve yoke and driveshaft. Remove the yoke from the propeller shaft.
2. Removing the bearing of the hinge crosses.
A) Mark the long sleeve yoke and flange.
b) Lightly tap the bearing outer race with a hammer.
V) Using two screwdrivers, remove the four circlips from the recesses.
G) Using a puller, remove the bearing from the flange.
d) Clamp the outer race of the bearing in a vise and use a hammer to remove the flange.
Note: The bearing on the opposite side of the cross is removed in the same way.
e) Install the two removed bearings on the cross and clamp the cross in a vise by the bearings.
and) Using a puller, remove the bearing from the fork.
h) Clamp the bearing outer race in a vise and use a hammer to remove the yoke.
Note: Remove the second bearing in the same way.
Cardan shaft assembly
Attention: when replacing the cross, ensure the location of the holes for the oilers, in accordance with the figure.
1. Installation of cross bearings,
A) Apply grease to cross and bearings.
Note: Do not apply too much lubricant.
b) Align the marks on the yoke and flange.
V) Install a new cross into the fork.
G) Using the special tool, install new bearings on the spider.
d) Using the special tool, adjust both bearings so that the circlip grooves are maximum and equal in height.
e) Select and install two circlips of the same thickness to obtain the allowable spider axial clearance.
Permissible axial clearance - 0.00 - 0.05 mm
Note: Retaining rings cannot be reused.
Retaining ring thickness.
Color | Label | Thickness, mm |
— | 1 | 2,100-2,150 |
— | 2 | 2,150-2,200 |
— | 3 | 2,200 - 2,250 |
Brown | — | 2,250 - 2,300 |
Blue | — | 2,300 - 2,350 |
— | 6 | 2,350 - 2,400 |
— | 7 | 2,400 - 2,450 |
— | 8 | 2,450 - 2,500 |
and) Using a hammer, tap the fork to remove the gap between the bearing outer race and the circlip.
h) Check for ease of rotation of the cross bearing.
And) Measure the axial clearance of the cross. If the gap exceeds the allowable value, then the circlips should be replaced.
Permissible axial clearance - less than 0.05 mm
Note: installation of bearings on the cross on the flange side is carried out in the same way.
2. Installing a fork with a long sleeve in the cardan shaft.
A) Apply grease to the splines of the driveshaft and to the sliding surface of the yoke.
b) Align the marks on the yoke and driveshaft, and install the yoke on the driveshaft.
Installing the front and rear driveshafts
1. Connecting cardan shafts to the transfer case.
A) Align the marks on the flanges of the cardan shaft and the transfer case.
b) Connect the flanges with four bolts and nuts, then tighten the nuts to the correct torque.
Tightening torques - 74 N.m
Note: Make sure the washers are installed correctly.
2. Connecting cardan shafts to axle gearboxes.
A) Align the marks on the driveshaft flange and final drive gear flange.
b) Connect the flanges with four bolts and nuts, then tighten the bolts and nuts to the correct torque.
Tightening torques - 74 N.m
Note: Make sure the washers are installed correctly.
3. Lubricate the propshaft cross bearings with grease through a grease fitting.
Lubrication: Lithium based wheel bearing grease, NLGI No.2
Attention: in severe operating conditions, especially on roads sprinkled with salt, lubricate the cardan shafts every 5000 km.