LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2020 >> S4 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Turbocharger, Supercharger [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB]) >> 21 Turbocharger, Supercharger >> Charge Air System >> Charge Air System, Checking For Leaks

Charge Air System, Checking For Leaks

WARNING: This page is about a different car, the 2020 Audi A4 allroad, 2019 Audi A4 allroad, 2018 Audi A4 allroad, 2017 Audi A4 allroad, and 2017 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required 

Procedure 

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Remove the lock carrier cover. Refer to FRONT BUMPER .

-- Remove the bolts -arrows- and the air guide -2-.

GWWA23-11009Courtesy of AUDI OF AMERICA, LLC

-- Loosen the hose clamps -arrows-.

GWWA21-10921Courtesy of AUDI OF AMERICA, LLC

-- Remove the vacuum hose -2- and air duct pipe -1-.

-- Install the :VAG1687/6  and :VAG1687/13-2  on the turbocharger.

GWWA21-11088Courtesy of AUDI OF AMERICA, LLC
GWWA26-11726Courtesy of AUDI OF AMERICA, LLC

-- Loosen the threaded connections -arrows- and slide the clamping sleeves toward the rear.

GWWA10-11905Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Risk of damaging the coupling due to improper handling.

- Coupling must not be bent more than 10°.

- Do not load the coupling on the cable.

-- Slightly lower the front muffler -2- and secure as shown with a cable tie -1-.

-- Seal the front muffler with the :VAG1687/3  and :VAG1687/15  .

GWWA21-11085Courtesy of AUDI OF AMERICA, LLC

-- Connect the :VAG1687  with the connection -5- on the :VAG1687/6  .

GWWN26-11343Courtesy of AUDI OF AMERICA, LLC

Refer to CHARGE AIR SYSTEM, CHECKING FOR LEAKS .

Assembling 

Assemble in the reverse order of removal. Note the following:

-- Install the lock carrier cover. Refer to FRONT BUMPER .

-- Install the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

Tightening Specifications