Workshop Manuals Factory service & repair Fiat
01 01 Engine - 2.2 HDi02 02 Brakes - 3.0 HDi03 03 Engine - 3.0 HDi04 04 Gearbox and clutch - 3.0 HDi05 05 Steering - 3.0 HDi06 06 Suspension - 3.0 HDi07 07 Driveshafts and wheels - 3.0 HDi08 08 Air bags09 09 Audio10 10 Body front section11 11 Body rear section12 12 Body shell13 13 Brakes14 14 Wiring diagrams15 15 Wiring diagrams - supplement16 16 Doors17 17 Electrical units18 18 Fascia and panel assembly19 19 Gearbox20 20 Heating, ventilation and air conditioning21 21 Lighting22 22 Power steering23 23 Roof and headliner24 24 Seats25 25 Side structure26 26 Steering27 27 Suspension28 28 Driveshafts and wheels29 29 Wipers and washers
Fiat Ducato Mk3 (250) Factory Service Manual (2006-2017)27 · 27 Suspension
27 · Steering & suspension

2.5. Air union

Make
Fiat
Model
Ducato Mk3 (250) Factory Service Manual
Year
2006–2017
Section
Rear suspension - Suspension: general specifications › 2.5. Air union
27 Suspension2.5. Air union

(24) Pneumatic suspension spring .
Composition of a pneumatic spring :

  • "f" Pneumatic spring winder piston
  • "g" Pneumatic spring diaphragm
  • "h" Pneumatic spring upper support
  • "j" Pneumatic union

Pressure in the pneumatic springs at the reference level : Approximately 7,3 bars.

2.5. Air union

Diagram showing the air union assembly with callouts k, 25a, 25b, and l

Figure : B3BM02CD

(25) Air union "Voss" :

  • (25a) Union screw
  • (25b) Oval-shaped handle

ESSENTIAL : The removal operation renders the union useless. Always replace the union each time the pneumatic suspension circuit pipes are uncoupled.

CAUTION : When fitting the pipe, only the mark "k" should remain visible (the mark "l" corresponds to the minimum pressing of the pipe).

3. Suspension geometry

N.B. : The geometry specifications are given with the values for checking and adjusting the axle geometries.

Parts & tools for this job For 2006 Fiat Ducato

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