Preparing the car for the task

Loosen bolt 1 by two to three turns.

Unscrew the adjusting bolt 2, loosen the belt tension and remove it.

Inspect the belt.

Removing the generator belt ZMZ 406 GAZ-2705

If there are cracks, rubber delamination, tears, dirt deposits between the ribs, etc., replace the belt. Inspect the pulleys.

If there is dirt or damage, clean or replace the pulleys.

If you need to remove the tensioning device, unscrew the three bolts 3, and to make it easier to unscrew the bolt under the roller, move the roller up.

Details:

Replacing and adjusting the tension of the accessory drive belt

Replacing and adjusting the tension of the accessory drive belt

Using a 12mm wrench, loosen the bolt securing the tension roller (for clarity, the engine radiator has been removed).

Replacing and adjusting the tension of the accessory drive belt

Relax the belt tension by turning the tension roller bolt counterclockwise with a 10-degree wrench

Replacing and adjusting the tension of the accessory drive belt

Remove the belt from the pulleys

Installing a new belt.

Replacing and adjusting the tension of the accessory drive belt

By rotating the tension roller bolt, we achieve a belt deflection of 15 mm under a load of 8 kgf applied in the middle of the horizontal drive branch (between the generator and pump pulleys).

Tighten the tension roller bolt.

Replacing the tension pulley and accessory drive belt tensioning mechanism

Replacing the tension pulley and auxiliary drive belt tensioning mechanism

Relax the tension of the drive belt.

Completely unscrew the tension pulley mounting bolt

Replacing the tension pulley and auxiliary drive belt tensioning mechanism

Remove the pulley from the tensioner axis.

Replacing the tension pulley and auxiliary drive belt tensioning mechanism

If necessary, use a socket wrench or a 12mm socket to unscrew the three tensioner mounting bolts

Replacing the tension pulley and auxiliary drive belt tensioning mechanism

Remove the tensioner mount from the engine

Install the tensioner and pulley on the engine in the reverse order, and then tighten the belt.