A8L Quattro Sedan V8-4.2L (BVJ) (2007)
Leak Detection Pump: Service and Repair
Leak Detection Pump
Leak Detection Pump
Removing
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Switch off ignition.
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Remove left rear wheel.
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Remove left rear wheel housing liner.
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Remove hose connectors - 1 -, - 3 - and - 4 -.
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Disconnect electrical harness connector - 2 - from Evaporative Emission (EVAP) Canister Purge Solenoid Valve 2 (N115).
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Remove bolts - arrows -.
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Remove Leak Detection Pump (LDP) (V144) and disconnect the electrical connection.
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Remove detection pump from bracket.
Installing
‹› Tightening specifications. Refer to => [ Leak Detection Pump Assembly Overview ] See: Leak Detection Pump Assembly Overview.
Installation is in reverse order of removal, note the following:
‹› Secure all hose connections with hose clamps appropriate for the model.
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Install left rear wheel housing liner.