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Contact corrosion! >
< Rules for cleanliness when working on fuel supply system, injection system and turbocharger
A4 Mk1
Power unit
6-cylinder diesel direct injection engine (TDI), mechanics / Technical data
General repair instructions
Checking for leaks in the fuel system
Checking for leaks in the fuel system
Checking for leaks in the fuel system
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Allow engine to run for several minutes at moderate rpm.
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Switch off ignition.
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Check complete fuel system for leaks.
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If leaks are found although the connections have been tightened to the correct torque, the relevant component must be renewed.
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Road-test vehicle and accelerate with full throttle at least once.
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Then check high-pressure part of fuel system again for leakage.
Power unit
6-cylinder diesel direct injection engine (TDI), mechanics / Technical data
General repair instructions
Checking for leaks in the fuel system
Contact corrosion! >
< Rules for cleanliness when working on fuel supply system, injection system and turbocharger
