Assembly overview ? central tube for dash panel
The overview shows a left-hand drive vehicle as an example.
1 - Bolt
❏ Qty. 3
❏ 20 Nm
2 - Adjuster element
❏ Qty. 3
3 - Central tube for dash panel
❏ → Rep. gr.70; Removing and installing central tube for dash panel
4 - Bracket
5 - Bolt
❏ 4 Nm
6 - Bolt
❏ 10 Nm
7 - Stud
❏ Qty. 2
❏ 20 Nm
8 - Nut
❏ Qty. 2
❏ 20 Nm
9 - Bolt
❏ Qty. 2
❏ 20 Nm
10 - Bolt
❏ Qty. 4
❏ 4.5 Nm
11 - Strut
12 - Bolt
❏ Qty. 2
❏ 20 Nm
13 - Crash bar
❏ → Rep. gr.70; Removing and installing crash bar
14 - Bolt
❏ Specified torque → Running gear, axles, steering; Rep. gr.48; Steering column; Assembly overview – steering column
Removing and installing dash panel cross member
Removal and installation are described for a left-hand drive vehicle as an example.
– Remove bulkhead → General body repairs, exterior; Rep. gr.50; Bulkhead; Removing and installing bulkhead.
– Remove battery A → Electrical system; Rep. gr.27; Battery; Removing and installing battery A.
– Remove wiper motor -V- → Electrical system; Rep. gr.92; Windscreen wiper system; Removing and installing wiper motor.
– Remove front dash panel air duct → Heating, air conditioning system; Rep. gr.87; Air duct system; Removing and installing front dash panel air duct.
– Remove floor covering → Rep. gr.70; Removing and installing floor covering.
– Remove air duct for defrost function vent → Heating, air conditioning system; Rep. gr.87; Air duct system; Removing and installing air duct for defrost function vent.
– Remove footwell vent on front passenger side → Heating, air conditioning; Rep. gr.87; Air duct; Removing and installing footwell vent on front passenger side.
– Remove air duct for centre dash panel vent → Heating, air conditioning system; Rep. gr.87; Air duct system; Removing and installing air duct for centre dash panel vent.
– Remove rear footwell vent → Heating, air conditioning; Rep. gr.87; Air duct system; Removing and installing rear footwell vent.
– Remove footwell vent on driver side → Heating, air conditioning system; Rep. gr.87; Air duct; Removing and installing footwell vent on driver side.
– Remove interface for entry and start system -J965- → Electrical system; Rep. gr.94; Entry and start authorisation; Removing and installing interface for entry and start system [J965].
– Remove fuse holder C -SC- → Electrical system; Rep. gr.97; Removing and installing relay carrier, fuse holder, electronics boxes; fuse holder C SC.
– Remove onboard supply control unit -J519- → Electrical system; Rep. gr.97; Control units; Removing and installing onboard supply control unit [J519].
– Remove bracket for control unit 1 for information electronics -J794- → Communication; Rep. gr.91; Components/control units; Removing and installing control unit 1 for information electronics [J794].
– Detach steering column from dash panel cross member and place it on vehicle floor → Running gear, axles, steering; Rep. gr.48; Steering column; Removing and installing steering column.
– Mark vertical and horizontal position of dash panel cross member for installation.
Vehicles with head-up display
– Remove control unit for head-up display -J898- → Electrical system; Rep. gr.90; Dash panel insert; Removing and installing control unit for head-up display [J898].
All vehicles (continued)
– Unscrew bolts -2- and -3-.
– Remove strut -1-.
– Unscrew bolts -2-.
– Remove plug and unscrew bolts -1-.
– Unscrew bolts -1- and -2-.
– Unscrew bolts -1- and -2-.
– Unscrew nuts -1- and -2-.
– Move aside electrical wiring on dash panel cross member.
– Detach dash panel cross member and pull it slightly towards the rear.
The aid of an additional mechanic is required for the subsequent work steps.
– Remove dash panel cross member.
Installing
Install in reverse order of removal, observing the following:
Tightening torques
♦ → Rep. gr.70; Assembly overview – central tube for dash panel
Removing and installing crash bar
Removing
– Remove steering wheel → Running gear, axles, steering; Rep. gr.48; Steering wheel; Removing and installing steering wheel.
– Remove steering column electronics control unit -J527- → Electrical system; Rep. gr.94; Steering column switch module; Removing and installing steering column electronics control unit [J527].
Vehicles with dash panel trim on driver side
– Remove dash panel cover on driver side → General body repairs, interior; Rep. gr.68; Compartments/covers; Removing and installing dash panel cover on driver side.
All vehicles (continued)
– Remove footwell vent on driver side → Heating, air conditioning system; Rep. gr.87; Air duct system; Removing and installing footwell vent on driver side.
– Unscrew bolts -2-.
– Detach crash bar -1-, and guide it out towards bottom.
Installing
Install in reverse order of removal, observing the following:
Tightening torques
♦ → Running gear, axles, steering; Rep. gr.48; Steering column; Assembly overview – steering column
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