Engine Coolant System, Draining, Vehicles With One Heater Core

WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools And Workshop Equipment Required

Spring Clip Pliers:VAS6499
Shop Crane - Drip Tray:VAS6208
Hose extension diameter 20 mm
Compressed air gun

WARNING:

The coolant system is under pressure when the engine is warm.

Risk of scalding due to hot steam and hot coolant.

Reduce pressure by covering coolant reservoir cap with a cloth and carefully opening.

NOTE:

Engine coolant system, draining, vehicles with two heater cores. Refer to ENGINE COOLANT SYSTEM, DRAINING, VEHICLES WITH TWO HEATER CORES .

-- Drain the coolant. Refer to COOLANT, DRAINING .

-- Close the coolant reservoir.

-- Remove the left front wheel. Refer to appropriate service information. .

-- Remove the left front wheel housing liner. Refer to WHEEL HOUSING LINER .

Drain Engine Coolant Pipes

-- Open the clamps and remove the coolant hoses -A and B-.

Fig 1: Coolant Hose Clamps

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Attach a hose -2- to the line -B- to lengthen it and place the one end in the : VAS6208 .

Fig 2: Apply A Maximum Of 1 Bar Compressed Air Across The Line -A- Using A Compressed Air Gun -1-

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Apply maximum 1.0 bar (14.5 psi) compress air across the line -A- using a compressed air gun -1- until the circuit is completely empty.

Drain Heater Coolant Pipes

-- Attach a hose -1- to the line -A- to lengthen it and place the one end in the : VAS6208 .

Fig 3: Applying Compressed Air To Coolant Hose (2 Of 2)

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Apply maximum 1.0 bar (14.5 psi) compress air across the line -B- using a compressed air gun -2- until the circuit is completely empty.

-- Connect the coolant hoses and the clamps.