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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz E-Class W123 (from 1976 to 1985, the year of issue)

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Mercedes-Benz W123
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Mercedes-Benz
W123
Introduction
Gasoline engines
Coupling
Manual transmission
Automatic Transmission
Driveline and rear axle
The front suspension
Rear suspension
A steering
Design and specifications
Removing and installing steering wheel
Removal and installation of the coupling shaft and a deformable steering column
Removal and installation of the lock of a steering column lock
Removal, dismantling and installation of the steering without power steering
Removal and installation of the mechanism of power steering
Removal of air from hydraulic steering
Removing and installing power steering pump
Check and adjustment of corners of installation of forward wheels
Brakes
Electrical
Body and Equipment
 


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A steering




Design and specifications

The steering mechanism of the "screw-nut on circulating balls" (ball nut). Collapsible steering column (energy-absorbing) consists of two parts. On some models installed power steering.

Characteristic

Value

The length of the corrugated pipe, mm

  • Mechanically operated

368,5-369,5

  • with the hydraulic booster

321,5-322,5

Maximum allowable clearance on the diameter of the steering wheel, mm

25.0

Camber, hail.

of -0 ?� 20 'to 0 ?� + 10'

The longitudinal angle of inclination of the axis of rotation, deg.

8 ?� 15'-15 ?� 9 '

The maximum difference of the longitudinal axis of the rotation angles of the left and right, hail.

0 ?� 30 '

Convergence, hail.

0 ?� 25 '(3.0 ?� 1,0 mm)

Drive belt

One multi-ribbed belt.

Engine model

Width x length mm
room

M 102

12.5 x 750

1,987,947,400

1,987,947,648

M 110

12.5 x 825

1,987,947,402

1,987,947,650

M 115

12.5 x 750

1,987,947,400

1,987,947,648

M 123

12.5 x 825

1,987,947,402

1,987,947,650

Power steering pump

Power-steering pump with integrated tank is rotated Banded accessory drive belt.

Oil for hydraulic steering systems

The oil level in the tank should address labels "full" or be about 20 mm from the edge of the tank. Replacing the oil is not available.

Characteristic

Value

Fuel system capacity, l

14

Used oil

ATF

The frequency of checking the oil level

every 20,000 km

Tightening torques of the main threaded connections kgs.m

Connection Type

Value

Locking nuts

  • shaft diameter of 30 mm

14,0-18,0

  • shaft diameter of 32 mm

16,0-20,0

Tie Rod End

4,1-5,0

Mounting damper

4.5

Steering gear casing

6.9-8.0

Pitman arm

  • M22

14,0-17,9

  • M24 (idler arm)

16,0-19,9

Swivel arm

8.0

Steering wheel to the shaft

8.0

Power-steering pump to the bracket

3.4

Steering shaft to the crankcase

2.5

Steering column

  • Top Mount

0.9

  • Bottom bracket

2.4

Fitting the drain pipe with hydraulic pump

3.5-4.5

Drain pipe fitting to the crankcase steering

3.5-4.0


On vehicles manufactured from September 1979 instead of the cone bolt nut is installed, which is replaced by a new one.





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