Removing and installing the engine on vehicles of the UAZ-31512 family

Before removing the engine from a vehicle mounted on an inspection ditch, do the following:

Disassemble the generator in the following order:

The main defects of the cylinder head that can be eliminated by repair include: warping of the plane of contact with the cylinder block, wear of seats and valve guides

Transmission of torque to the drive axles is carried out by open-type cardan shafts (Fig. 1), each of which has a movable spline connection and two cardan joints

The hubs of the front and rear wheels (see Fig. 1 and 3) of all cars, except for cars with final drive axles, are the same

The durability of a repaired engine largely depends on its running-in on a stand and the operating mode of the car during the first 1000 km

- Cause of malfunction

Elimination method

The clutch does not disengage completely (the clutch “drives”):

During operation, it may be necessary to adjust the full opening of the carburetor throttle valve and the position of the pedal

Remove in the following order:

Engine cooling system – liquid, closed, with forced circulation of coolant by a centrifugal pump

Assemble the transfer case from a subassembly of its components

Restore the normal size of the gaps between the pads and brake drums and reduce the pedal stroke using eccentrics, in which the hexagonal heads of the axles are brought out through the shield

Disassemble the transfer case in the following order:

Fill the hydraulic drive only with special brake fluid according to the instructions in the lubrication table in the following order: