Charge Air System, Checking For Leaks

Special tools and workshop equipment required 

• Turbo System Tester Kit:VAG1687 
• Turbo System Tester Kit - Adapter 6:VAG1687/6  and the Adapters :VAG1687/3  , :VAG1687/13-2  , :VAG1687/15 

Procedure 

-- Remove the engine cover. Refer to ENGINE COVER .

-- Remove the lock carrier cover. Refer to LOCK CARRIER COVER, REMOVING AND INSTALLINGFront Bumper .

-- Remove the bolts -arrows- and remove the air ducts -1 and 2-.

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-- Disengage the EVAP system hose -1- with the fuel hose.

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-- Loosen the hose clamps -arrows-.

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

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

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-- Remove the front tunnel brace. Refer to OVERVIEW - UNDERBODY TRIM PANELS .

Fig 1: Identifying Bolts

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

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-- 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  .

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-- Connect the :VAG1687  to the :VAG1687/6  using the connection -5-.

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All additional procedures are described. Refer to CHARGE AIR SYSTEM, CHECKING FOR LEAKS .

Assembling 

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

• Secure all hose connections with hose clamps that match the ones used in series production.

-- Install the lock carrier cover. Refer to LOCK CARRIER COVER, REMOVING AND INSTALLINGFront Bumper .

-- Install the engine cover. Refer to ENGINE COVER .

Tightening Specifications 

• Refer to OVERVIEW - AIR FILTER HOUSING
• Refer to OVERVIEW - MUFFLER
• Refer to OVERVIEW - CHARGE AIR SYSTEM .
• Refer to OVERVIEW - UNDERBODY TRIM PANELS .