Land Rover is conducting a vehicle enhancement program on LR3 and Range Rover Sport vehicles. At elevated temperatures the spring return force on the air suspension compressor exhaust valve is insufficient to overcome the friction forces, which can lead to the exhaust valve not closing properly. This results in a leak path in the air suspension system and result in an 'Air Suspension fault' message. LR3 and Range Rover Sport vehicles will also have an air suspension warning lamp illuminated. Other vehicle and software enhancements will be performed as part of this combined Service Action.
Action: The Service action covers the following areas:
Upgrade the air suspension compressor:
• Performing a number of software and body fitting enhancements to the affected vehicles. The updates are detailed below along with the relevant vehicle information.
NOTE: In order to monitor the vehicles repaired it will be necessary to follow two unique campaign procedures and to make two separate warranty claims for the required repairs:
• B034 is to be used to claim for the air suspension compressor upgrade.
• B036 is to be used for all of the other enhancement actions required.
B034 - Air Suspension Compressor Repair
Situation: Air compressors for the Electronic Air Suspension systems have undergone continual improvement. To ensure that compressors are updated to the latest configuration an inspection and repair process is being undertaken as part of this Service Action.
Action: At the earliest Service opportunity check and note the part number located on the compressor crank case end plate of the air suspension compressor. Determine what repair action is required from the part number and the information in the Repair Procedure.
Source
Saturday, October 9, 2010
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