Replacing the supports of the power unit VAZ-21126
The power unit (engine and gearbox) is mounted on two rubber pads front and rear, mounted through brackets on the engine and gearbox housing
These supports are designed to transfer the weight of the power unit to the body and limit its longitudinal movements.
To the right and left, supports with rods are installed that limit the transverse movements of the power unit.
Scheme of installation of power plant supports
You will need: wrenches "for 13", "for 15", "for 17", a jack or similar lifting mechanism.
Hang up the front part of the car on supports or raise the car on a lift.
Remove the engine mudguard.
Before removing the power unit rear support cushion, place a jack or hydraulic stand under the gearbox housing
To replace the rear support cushion, unscrew the nut securing the support to the bracket with a 15 wrench
Remove the upper pillow stopper
Unscrew the two bolts securing the rear support cushion to the body with a 13 wrench
Remove pillow
Remove the lower cushion stopper
To replace the rear support bracket, use a 13 wrench to unscrew the two nuts securing the bracket to the rear of the gearbox housing
Unscrew the upper mounting bolt with a socket wrench “13” and remove the bracket.
Install the powertrain rear support bracket and pad in the reverse order of removal.
The upper 1 and lower 2 rear support pad stops differ in shape. Do not confuse them when installing.
Install the support cushion with its conical part up and the cutout towards the front of the car.
Cushion support stud press with the collar down.
Before removing the power unit front support cushion, place a jack or support under the engine oil sump.
Unscrew the nut securing the front support cushion to the bracket with a 17 wrench and unscrew the two bolts securing the cushion to the body with a 13 wrench.
Remove the pillow restraints and the pillow itself.
Install the front engine mount cushion in the reverse order of removal, orienting it with the tapered side up and the notch toward the rear of the vehicle
To replace the rod of the right support, unscrew the bolt securing the rod to the cross member and to the support bracket with a “15” wrench, then remove the rod
To replace the right support bracket, which is also the generator bracket, remove the generator, unscrew the three bolts securing the bracket to the cylinder block with a 15 socket wrench
Remove the bracket.
Install the parts in the reverse order of removal.
To replace the left support rod, unscrew the bolt securing the rod to the body with a “15” wrench, unscrew the nut that fastens the rod to the support bracket with a “15” wrench and remove the rod.
Install the stem in the reverse order of removal.
Install the right and left engine mounts with the arrows on the rubber pads pointing away from the engine
