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Removing
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Refitting
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- Deactivate the self-levelling suspension control system by simultaneously pressing the two adjustment buttons in the dashboard (for at least 5 secs.) and the LEDs in the buttons should both come on constantly. - Position the vehicle on the lift. |
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1. Slightly undo the connector (1a) for the compressed air pipe on the reservoir (1b) until the pressure in the circuit is completely discharged then undo the connector completely. |
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- Remove the control unit / compressor module guard. Op. 4430B13 SELF-LEVELLING SUSPENSION SYSTEM COMPRESSOR/CONTROL UNIT MODULE GUARD - R.R. |
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1. Undo the connector (1a) for the black compressed air supply pipe (1b) to the air reservoir from the control unit/compressor module. |
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1. Release the pipe (1a) from the clips fastening it to the chassis, then remove it. |
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1. Remove the inner tapered seal (1b) from the air pipe (1a), then release the rapid connector (1c) (at both ends of the pipe).
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Refitting
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Removing
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- Check that the pipe is not damaged, otherwise it must be replaced. |
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1. Tighten a new rapid connector (1a) with a tapered inner seal (1b) on the control unit/compressor module.
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1. Tighten a new rapid connector (1a) on the compressor air reservoir with a tapered internal seal (1b). |
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1. There are two reference lines (1b) and (1c) at the ends of the air pipe (1a); insert the air pipe about 20 mm into the rapid connector (1d) for the control unit/compressor module or at least sufficiently to leave only one line (1c) showing.
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1. Secure the pipe (1a) to the clips fastening it to the chassis. |
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1. There are two reference lines (1b) and (1c) at the ends of the air pipe (1a); insert the air pipe about 20 mm into the rapid connector (1d) for the compressed air reservoir or as far as necessary to leave just the one line (1c) showing.
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- Position the control unit / compressor module guard. Op. 4430B13 SELF-LEVELLING SUSPENSION SYSTEM COMPRESSOR/CONTROL UNIT MODULE GUARD - R.R. |
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- Start the engine. - Remove the vehicle from the lift. - Reactivate the self-levelling suspension control system by simultaneously pressing the two adjustment buttons in the dashboard (for at least 5 secs.) and the LEDs in the buttons should both go out. The system is reactivated and automatically checks the height of the vehicle and the pressure in the tank. - Leave the engine running for at least 45 minutes without activating the height adjustment buttons; during this peroid the compressor will produce the right pressure in the circuit for correct operation. Alternatively, use the Examiner active diagnosis control - Check that the system is working properly by carrying out a height alteration cycle. |
Removing








