ar3235b2050c

Remove/install front stabilizer bar

Type ar · topic 32.35 · version 0101 · 2016-02-12

Applies to: Vehicle 688 with Cumbustion engine 904.9

Where it sits

Function group 2 Chassis › 32 Suspension › 32.35 Stabilizer — Series 688 · Series 904 (models 9**)

EinPAS 17 Drivetrain/axle › 17.50 Front axle › 17.50.41 Transverse control arm/control arm/stabilizer bar — Series 688 · Series 904 (models 9**)

AR32.35-B-2050C

Remove/install front stabilizer bar

12.02.16

Vehicle 688 with Cumbustion engine 904.9

Remove/install front stabilizer bar

B32.35-0028-09

1 Stabilizer bar

2 Front axle

3 Stabilizer bar bearings

3.1 Bearing clamps

3.2 Clamps' self-locking nuts

3.3 Bearing caps

3.4 Bearing mount

3.5 Clamps fastening brackets

4 Stabilizer bar eyelet

5 Molecular bushings of the lateral arm

6 Self-locking nuts of the articulation bolts

7 Lateral arm articulation bolts

8 Lateral arm plates (shackle)

9 Bracket bolts' self-locking nuts

10 Brackets fastening bolts

11 Bottom bolt fastening the bracket (of greater thickness)

12 Plain washer

13 Support of the bushing housing (horizontal)

14 Outside support (vertical)

15 Left side rail

16 Inside reinforcement angle support

Remove

Danger!

Life at risk by vehicle slipping or falling off the lift.

Position the vehicle on an appropriate lift so the front axle wheels, rear drive and driven axle wheels remain supported safely on the support plates of the elevator, at the lifting points determined by the vehicle manufacturer.

AS00.00-B-0010-01B

1

Put the vehicle on a flat and level place

On a laden vehicle, take due preventive precaution before lifting.

2

Detach the battery negative lead or turn-off the master switch

Loose the screw of the negative cable of the frame rail, avoiding to loose the battery terminals too.

3

Detach the front shock absorbers on their bottom fastening

Excessive stroke damages the shock absorbers.

AR32.25-B-0105C

4

Slightly lift the vehicle equally at both sides by the side rails, so that the stabilizer remains without load to permit removal of articulations

At this point, support the vehicle on stands placed safely, in order to permit stabilizer removal.

Danger!

Risk of injury by pinching and crushing when tilting the cab

AS60.80-B-0001-01A

5

Tilt the cab to facilitate access

Only for 688.2 trucks.

AR60.80-B-0010B

6

Control the front axle (2) height and remove the self-locking nuts (6), the articulation bolts (7) and the side arm plates (8)

7

Remove the self-locking nuts (3.2), the clamps (3.1), and the bearing cap (3.3) and lift out the stabilizer bar (1) together with the mounts (4.3)

On the front axle stabilizer fastening.

AR40.10-B-1100F

8

Remove the bearing mounts (3.4) from the stabilizer bar (1)

9

Remove the molecular bushings (5) from the stabilizer bar (4) eyelets and from the brackets (13) on the top part

Do not remove or install the bushings by means of strikes. Use the appropriate device.

The device to be utilized is the same as for the removal and installation of the rear axle stabilizer, where its application is described in detail. See document beside.

AR32.35-B-2210C

*652589003301

*652589003311

Check

10

Replacing:

- Stabilizer bar, if deformed;

- Self-locking nuts (6) of the articulation bolts;

- Articulation bolts (7), if necessary;

- Side arm plates (8), if necessary;

- Center bearing mounts (3.4);

- Clamps' self-locking nuts (3.2);

- Clamps (3.1) and bearing caps (3.3), if necessary.

11

Check the brackets (13, 14) on the side rail

Should it be necessary, replace them.

*BA31.30-B-1004-01A

Installing

12

Replace the molecular bushings (5) on the brackets (13) and on the eyelets (4) of the stabilizer bar (1)

Utilize the appropriate device for these removing and installing operations. The device, as it is the same, is described in the removal and installation of the rear axle stabilizer. See document beside.

AR32.35-B-2210C

*652589003301

*652589003311

13

Install the stabilizer bar (1) and the new bearing mounts (3.4) in the assembling position

Apply a thin layer of petroleum jelly to the inside of the mounts.

*BR00.45-B-1001-06A

The mounts have a cut to permit the insertion of the bar.

14

Assemble the stabilizer bar on the front axle (2) and install the bearing caps (3.3), the clamps (3.1), the bracket (3.5) and the self-locking nuts (3.2)

*BA32.35-B-1001-02H

15

Once the bearing clamps are tightened, move the stabilizer bar in the direction of rotation.

The bar must not remain locked by the bearings, it has to turn, even if with some difficulty.

16

Install the side plates (8) with the articulation bolts (7) and the new self-locking nuts (6)

Should it be necessary, move the front axle to assist in the assembly.

*BA32.35-B-1002-02H

17

Fasten the shock absorbers on the respective brackets

Danger!

Life at risk by vehicle slipping or falling off the lift

Position the vehicle on an appropriate lift so the front axle wheels, rear drive and driven axle wheels remain supported safely on the support plates of the elevator, at the lifting points determined by the vehicle manufacturer.

AS00.00-B-0010-01B

18

Lift the vehicle and remove the stands from under the side rails

20

Do a test-drive to check vehicle behavior

Frame

Número

Denominação

Chassis 688.1; 688.2

BA31.30-B-1004-01A

Rail stabilizer arm support

Steel 8.8

M10x1.5

Nm

-

Steel 10.9

M10x1.5

Nm

63

M12x1.5

Nm

105...110

M14x1.5

Nm

-

M16x1.5

Nm

-

M22x1.5

Nm

-

Front axle stabilizer bar

Número

Denominação

Chassis 688.1, 688.2

BA32.35-B-1001-02H

Nuts for sway bar clips

M12x1.5

Nm

42

BA32.35-B-1002-02H

Upper and lower joints of stems/shackles

M12x1.5

Nm

110

Remove/install front stabilizer bar
Remove/install front stabilizer bar

652 589 00 33 01

Device

652 589 00 33 11

Threaded spindle

Produtos para reparos

Número

Denominação

Número de pedido

BR00.45-B-1001-06A

Vaseline

-

Referenced documents