Audi AMB Service Manual page 616

ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
Fig. 300: Special Tool VAG1687 , Connecting To Pressure Adapter VAG1687/1 (1.8L Turbo)
Courtesy of VOLKSWAGEN UNITED STATES, INC.
VAG1687 is shown connected to VAG1687/1 - black arrow -
Shop air supply will be connected to VAG1687 at - white arrow -
Perform pressure test.
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Performing pressure test
Fig. 301: Special Tool VAG1687 Charge Air System Tester Preliminary Set-Up
Courtesy of VOLKSWAGEN UNITED STATES, INC.
With outlet hose - 1 - of VAG1687 connected to air pressure adapter:
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Attach shop air supply line to previously installed male fitting --> Charge pressure leak test with
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VAG1687.
Fig. 302: Special Tool VAG1687 Charge Air System Tester Preliminary Set-Up
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Open valve - 3 - between regulator valve and gauge.
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Adjust test pressure up to 0.5 bar (--> CAUTION below) by turning regulator valve -2-.
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2005 Audi A4 Quattro
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