The front suspension arm is replaced if the geometry of the arm is broken (the arm is bent), the rubber-metal hinges are torn, swollen on one side, or their rubber has lost its elasticity

Replacing rubber-to-metal lever joints requires special tools and skill. In garage conditions, it is easier to replace the entire lever assembly.

Repair of car front suspension arm

Only loosen or tighten wheel bolts with the vehicle on the ground. Bolt tightening torque 65–95 Nm (6.5–9.5 kgcm).

Lift and place the front of the vehicle on supports.

Remove the wheel.

Stop the car with the parking brake and place wheel chocks under the rear wheels.

Repair of car front suspension arm

Unscrew the nut securing the ball joint.

Repair of car front suspension arm

Using a puller, press the ball joint pin out of the lever.

Repair of car front suspension arm

Loosen the rear brace fastening nut.

Repair of car front suspension arm

Unscrew the fastening nut and disconnect the stabilizer bar from the lever

Repair of car front suspension arm

Unscrew the nut securing the lever to the body bracket and remove the bolt

Repair of car front suspension arm

Remove the lever

Repair of car front suspension arm

To replace the silent block of the lever, press it out in a vice with tool heads or pipe sections.

Wet the new silent block with a soap solution before pressing in

Repair of car front suspension arm

We knock down the silent block of the extension with a chisel.

Having removed from one side, we also remove from the other.

Repair of car front suspension arm

We first press new silent blocks in a vice

Repair of car front suspension arm

Finally pressed in, striking a drift with a diameter of 8 mm through three windows in the rubber layer

Install the lever in reverse order.

Having lowered the car to the ground, rock it vigorously several times.

Tighten to the appropriate torques: nuts securing the ball joint to the lever and securing the lever to the body bracket - 80-96 Nm (8.0-9.6 kgcm);

nut securing the extension to the lever - 160-180 Nm (16.0-18.0 kgcm);

nut securing the stabilizer bar to the lever - 42-52 Nm (4.2-5.2 kgcm).

After driving 100 km, tighten these threaded connections again to the required torque.

new

The lubrication system diagram is shown in Fig. 1. Oil pressure in the lubrication system of a warm engine at low crankshaft speed 550–650 min -1

In the article we will consider possible malfunctions of the front axle of the UAZ-3151