Transmission Oil Cooler

Special tools and workshop equipment required 

• Hose clamps up to 25 mm dia. 3094
• Torque wrench (5-50 Nm) VAG 1331

Removing 

-- Place the selector lever in the "P" position.

-- Remove the battery and battery tray. Refer to [For transmission(s) 0A4, 02E, 09G, 02Q] [For engine(s) BGP, BPY, BGQ, CBTA, CBUA, CCTA, CBFA] Removal and Installation .

-- Place a lint free cloth onto the oil cooler and transmission to absorb any leaking coolant.

-- Clamp off the coolant hoses using the 3094 and remove the hoses from the oil cooler.

Fig 1: Identifying Coolant Hoses Clamped Using Clamps 3094

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bolt -A- and remove the transmission oil cooler -B-.

Fig 2: Identifying Transmission Oil Cooler Bolts

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Installing 

-- Replace the O-rings -C- for the oil cooler -B-.

Fig 3: Identifying Transmission Oil Cooler Bolts

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Set the oil cooler -B- in place, observing the O-rings -C-.

-- Install new bolts -A- and tighten to 20 Nm + an additional 90° (¹ /₄ ) turn.

-- Install the coolant hoses to the oil cooler and remove the 3094.

Fig 4: Identifying Coolant Hoses Clamped Using Clamps 3094

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the new oil filter with the seat facing down and tighten the housing to 20 Nm.

Fig 5: Identifying Oil Filter O-Ring In Suction Collar

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the battery and battery holder. Refer to [For transmission(s) 0A4, 02E, 09G, 02Q] [For engine(s) BGP, BPY, BGQ, CBTA, CBUA, CCTA, CBFA] Removal and Installation .

-- Check the coolant level and top off as necessary. Refer to DESCRIPTION AND OPERATION .

-- Fill the transmission oil after the repair without changing the filter. Refer to OIL FILTER, CHANGING AND OIL LEVEL, ADJUSTING .