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Home >> Mercedes Benz >> 2016 >> GLE550e >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension - 166 Chassis >> Testing & Repair >> Repairing Airmatic Pressure Line Connection - AR32.22-P-2001-02GZ

Repairing Airmatic Pressure Line Connection - AR32.22-P-2001-02GZ

MODEL 164, 166 with CODE 489 (AIRMATIC) 

MODEL 292 with CODE 489 (AIRMATIC) 

AIR SUSPENSION

Number Designation Model 164.1/8 with code 489 (AIRMATIC) Model 166
BA32.22-P-1001-03B Air suspension pressure line to rear air spring Nm 2 2
AIR SUSPENSION

Number Designation Model 292
BA32.22-P-1001-03B Air suspension pressure line to rear air spring Nm 2
AIR SUSPENSION

Number Designation Model 164.1/8 with code 489 (AIRMATIC) Model 166
BA32.22-P-1003-03B Pressure line, air suspension to compressor Nm 3, 5 3, 5
AIR SUSPENSION

Number Designation Model 292
BA32.22-P-1003-03B Pressure line, air suspension to compressor Nm 3, 5
AIR SUSPENSION

Number Designation Model 164.1/8 with code 489 (AIRMATIC) Model 166
BA32.22-P-1004-03B Pressure line of air suspension to valve unit Ø 4mm Nm 2 2
Ø 6mm Nm 3, 5 3, 5
AIR SUSPENSION

Number Designation Model 292
BA32.22-P-1004-03B Pressure line of air suspension to valve unit Ø 4mm Nm 2
Ø 6mm Nm 3, 5
AIR SUSPENSION

Number Designation Model 164.1/8 with code 489 (AIRMATIC) Model 166
BA32.22-P-1005-03B Air suspension pressure line to front air suspension Nm 5 5
AIR SUSPENSION

Number Designation Model 292
BA32.22-P-1005-03B Air suspension pressure line to front air suspension Nm 5
AIR SUSPENSION

Number Designation Model 164.1/8 with code 489 (AIRMATIC) Model 166
BA32.22-P-1009-03B Pressure line of air suspension to central reservoir Nm - 5
AIR SUSPENSION

Number Designation Model 292
BA32.22-P-1009-03B Pressure line of air suspension to central reservoir Nm 5
G09980728Courtesy of MERCEDES-BENZ USA
G09980729Courtesy of MERCEDES-BENZ USA

NOTES The pressure line (4) and repair line (2) may not be kinked. Otherwise, the pressure line (4) and the repair line may be damaged (2).

IMPORTANT In the event of damage to the compressed-air terminal (1a) and pressure line (4) a compressed-air connector (3) or a repair screwed connection (1) can be mounted.

IMPORTANT The Replacement Parts Unit supplies a repair line (2) with a straight and a curved section.

  1. Remove compressed-air line connection (1a) using the SPECIAL TOOL socket from the affected component (e.g. suspension strut).
  2. Cut pressure line (4) using an SPECIAL TOOL isolating blade to a suitable length.

    NOTES Special care must be taken to ensure that the cut is exactly at right angles to the pressure line (4). Otherwise the pressure line (4) may suffer more leaks.

  3. Plug in cut off pressure line (4) up to end stop or at least 19.5 mm into pressure line connector (3).

    IMPORTANT If necessary mark the pressure line (4) at 19.5 mm with a felt-tip pen beforehand.

  4. Pull back pressure line (4) slightly, to enable the surrounding retaining edges inside the clamping ring (1b) to engage in the outer surface of the pressure line (4).
    G11972458
  5. Cut repair line (2) so that the original length and form (straight end or 90° curved section) of the pressure line (4) to be repaired is reached again.

    NOTES When cutting off the repair line (2) take into account the insertion depths in the repair screwed connection (1) and pressure line connector (3).

    Leaks can occur otherwise.

    NOTES Special care must be taken to ensure that the cut is exactly at right angles to the repair line (2).

    Otherwise, renewed leaks may occur.

  6. Plug repair line (2) all way on up to end stop or insert at least 19.5 mm into the pressure line connector (3).

    IMPORTANT If necessary mark the repair line (2) at 19.5 mm with a felt-tip pen beforehand.

  7. Pull back repair line (2) slightly, to enable the surrounding retaining edges inside the clamping ring (1b) to engage in the outer surface of the repair line (2).
  8. Screw repair threaded connection (1) into affected component.TORQUE SPECIFICATIONTORQUE SPECIFICATIONTORQUE SPECIFICATIONTORQUE SPECIFICATIONTORQUE SPECIFICATION
  9. Pull plastic guard (1c) out of repair connection (1).
  10. Insert the repair line (2) into the repair bolted connection (1) up to the end stop or insert at least to 19.5 mm into the repair threaded connection.

    IMPORTANT If necessary mark the repair line (2) at 19.5 mm with a felt-tip pen beforehand.

  11. Pull back repair line (2) slightly, to enable the surrounding retaining edges inside the clamping ring (1b) to engage in the outer surface of the repair line (2).
  12. Route pressure line (4) on vehicle.

    IMPORTANT When pulling in or routing the line it should be noted that, after fastening, the lines cannot be twisted anymore.

  13. Fasten pressure line connector (3) using cable tie to suitable position on the vehicle.

    IMPORTANT To avoid any chafing or noise generation.

    Leak test after filling AIRmatic 

  14. Check repair point using leakage spray for leaktightness.

    IMPORTANT Wait for approximately 10 to 15 minutes after spraying the leakage detection spray. This allows smaller leaks to be detected (bubbles form). Larger leaks are visible immediately.

    IMPORTANT If, despite a properly mounted pressure line (4) or repair line (2) blistering continue to form, then the pressure line connector (3) or the repair threaded connection (1) may be faulty.

    In the event of leakage

    Check whether the pressure line (4) or the repair line (2) is plugged in up to the end stop.

    If blistering occurs again

    Replace pressure line connector (3) or repair threaded connection (1).

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