airbag VOLKSWAGEN PASSAT 1997 B3, B4 / 3.G Service Workshop Manual

Downloaded from www.Manualslib.com manuals search engine 48 - Steering
Steering
Assembly overview: steering column, column tube, steering wheel and airbag
steering wheel
Airbag unit, removing and installing
Airbag steering wheel, removing and installing
Airbag Spiral Spring, removing and installing
Column tube for height adjustable steering wheel, removing and installing
Pump delivery pressure, checking
Power steering gear, removing and installing
Assembly overview: power assisted steering box (TRW)
Power steering gear, adjusting (TRW)
Power steering gear, disassembling and reassembling (TRW)
Power steering gear, disassembling
Inner sealing ring for toothed rod, pulling out
Checking toothed rod for scoring
Sealing ring on toothed rod, replacing
Sealing rings, installing on toothed rod piston
Power steering gear, assembling
Inner sealing ring for toothed rod, installing
Toothed rod, installing in housing
Adhesive tape, applying
Power steering gear, adjusting with new toothed rod
Assembly overview: power steering gear (ZF)
Power steering gear, adjusting (ZF)
Power steering gear, disassembling and reassembling (ZF)
Power steering gear, disassembling
Checking toothed rod for scoring
Sealing ring on toothed rod, replacing
Power steering gear, assembling
Tie rods, removing and installing (power steering gear - TRW and ZF)
Left-hand tie rod length, checking and adjusting
Assembly overview: vane pump, reservoir and hydraulic lines (vehicles with 4-
Cyl. engines)
Assembly overview: Hydraulic lines, reservoir (vehicles with 4-Cyl. engines)
Power steering vane pump, removing and installing (vehicles with 4-Cyl. engines)
V-belts, tensioning (4-Cyl. engines)
Assembly overview: Pressure and cooling lines (vehicles with VR6 engine)
Power steering vane pump, removing and installing (vehicles with VR6 engine]

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Steering

Assembly overview: steering column,
column tube, steering wheel and airbag
steering wheel

Airbag system functional check and
interrogating Diagnostic Trouble Code (DTC)
Memory.
Repair Manual, Body Exterior, Interior, Repair Group 68; General body repairs
Safety precautions when working on airbag
Repair Manual, Body Exterior, Interior, Repair Group 68, General body repairs
Note:
All parts marked with a "1)
" can be pre-
assembled outside of the vehicle
Pre-assembling steering column Page 48-6 Always replace self-locking nuts and bolts. Welding and straightening work on steering
components is not permitted. Page 1 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1

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1 - Cover plate
2 - Hex nut, 50 Nm (37 ft
lb)
3 - Steering wheel Install in center
position
4 - Airbag unit Removing and
installing Page 48-7 5 - Steering wheel for
airbag Removing and
installing Page 48-8 Removing and
installing Airbag Spiral Spring Page 48-10 6 - Hex socket head bolt,
6.5 Nm (57 in lb) Always replace 7 - Connector
8 - Splined adapter sleeve Removing Page 48-5 Installing Page 48-5 Page 2 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1

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Airbag unit, removing and installing

Removing

- Disconnect battery Ground strap.
- Center steering wheel (wheels straight-
ahead). Installing
Install in reverse order
Note:
Only use new hex socket head bolts for airbag unit.
Tightening torque: 6.5 Nm (57 in. Ib).
CAUTION!
Make sure that no one is in the vehicle when
connecting the battery Ground strap. - Remove both socket head bolts from airbag unit. - Remove airbag unit from steering wheel and
disconnect wiring connector from airbag unit.
- After installing the airbag unit, switch on ignition
then connect battery Ground strap. Page 7 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1

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Airbag steering wheel, removing and
installing

Removing

- Remove airbag unit. Page 48-7
- Remove trim below steering column switch. Note: - Separate connector (arrow). (Pull foam rubber
sleeve off connector, if installed).
- Remove nut and pull steering wheel off steering
column. After pulling steering wheel off, turn Airbag Spiral
Spring slightly so that the wire (arrow) faces
downward. (Hold steering wheel in installation
position). The spring then locates and is prevented
from turning.
If this step is not performed or if the spring is tufted in
an uncontrolled manner, it can lead to the spring
being overstressed at full lock, causing irreparable
damage. Page 8 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1

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Installing

- Install steering wheel, install nut and tighten.
Tightening torque: 50 Nm (37 ft lb).

- Connect airbag unit connector below steering
wheel.

- Install trim panel below steering column. Make
sure that the centering ring wiring connection is
located in the recess in the trim panel.

- Connect connector in steering wheel to airbag
unit connector.

- Install airbag unit Page 48-7
Note:
Use new hex socket head bolts for airbag unit.
- After installing the airbag steering wheel first
switch on ignition, then connect battery Ground
strap.

CAUTION!

Make sure that no one is in the vehicle when
connecting the battery Ground strap. Page 9 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1

Downloaded from www.Manualslib.com manuals search engine 48-10

Airbag Spiral Spring, removing and
installing
Remove airbag unit Page 48-7 Remove steering wheel Page 48-8
- Separate single connector for horn. Install steering wheel Page 48-9
Install airbag unit Page 48-7
Note: - Remove screws -1- and remove Airbag Spiral
Spring -2- from steering wheel. When removing and installing the Airbag Spiral
Spring, ensure that it is in the center position. As a new part the Airbag Spiral Spring is secured
in the center position by a cable tie. Page 10 of 99Steering12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.48.1