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Home >> Audi >> 2009 >> A4 Base, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Specifications >> 2.0L - Turbo Engine Mechanical, Engine Code(S): BPG, BWT >> 21 - Turbocharger, G-Charger >> Turbocharger >> Left and right charge air coolers, removing and installing

Left and right charge air coolers, removing and installing

NOTE:
  • The following removal and installation procedure is for the left charge air cooler. The procedure for the right charge air cooler is identical.
  • Before a test or repair, verify that all hoses and lines are securely installed and not leaking.

Removing 

Fig 1: Identifying Exhaust Pipe Fasteners
GW00006181Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 2: Identifying Quick-Release Fasteners And Noise Insulation
GW00017429Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 3: Removing Air Guides From In Front Of Charge Air Coolers At Left/Right
GW00017430Courtesy of VOLKSWAGEN UNITED STATES, INC.
Fig 4: Disconnecting Electrical Harness Connector To Charge Air Pressure Sensor G31
GW00017561Courtesy of VOLKSWAGEN UNITED STATES, INC.
CAUTION: The air conditioning refrigerant circuit must not be opened.

Installing 

Installation is in reverse order of removal, note the following:

NOTE:
  • Hose connections and charge air system hoses must be free of oil and grease before installing.
  • Secure all hose connections using hose clamps appropriate for the model type .

Torque specifications 

Component Nm
Hose clamps 13 mm wide 5.5