Audi AMB Service Manual page 613

ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
Fig. 295: Checking Charge Air Pressure System Using Vag1687 Charge Air System Tester
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Check the charge air pressure system using the VAG1687 Charge air system tester.
Special tool VAG1687 Charge air system tester preliminary set-up
Fig. 296: Special Tool VAG1687 Charge Air System Tester Preliminary Set-Up
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Back off pressure regulator knob - 2 - of VAG1687 fully to protect gauge when shop air supply is applied

to assembly.
Close valve - 3 - before gauge.

Close valve - 4 - after gauge.

The shop air supply line will later be attached to the inlet of VAG1687.
Remove female fitting from tester - arrow - and install an appropriate "male" air fitting that will connect

to your shop air supply line (--> WARNING!).
WARNING: Use only approved air fittings to adapt shop air supply line to VAG 1687
tester.
2005 Audi A4 Quattro
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