After-Run Coolant Pump

WARNING: This page is about a different car, the 2009 Audi TT and 2008 Audi TT. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Hose Clamps Up to 25 mm Dia. 3094
Hose Clip Pliers V.A.G 1921
Drip Tray VAS 6208

Removing

WARNING:

Risk of scalding due to hot steam and hot coolant.

When the engine is warm the cooling system is under pressure.
Reduce pressure by covering coolant reservoir cap with a cloth and carefully open.

-- Open coolant reservoir cap.

-- Remove ribbed belt. Refer to RIBBED BELT .

-- Remove noise insulation in center by loosening mounting parts -1 through 4-.

Fig 1: Center Noise Insulation Fasteners And Center Noise Insulation Panel

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect solenoid clutch electrical connector -1- on A/C compressor.

Fig 2: Electrical Harness Connector For A/C Clutch On A/C Compressor

Courtesy of AUDI OF AMERICA, LLC

WARNING:

Risk of injury from refrigerant.

The air conditioning refrigerant circuit must not be opened.

-- Remove A/C compressor bolts -arrows-.

-- Secure A/C compressor with refrigerant hoses attached to front of noise insulation frame.

-- Disconnect electrical connector -3- on after-run coolant pump -V51- -2-.

Fig 3: After-Run Coolant Pump V51, Electrical Connector & Coolant Hoses

Courtesy of AUDI OF AMERICA, LLC

-- Place VAS 6208 under engine.

-- Clamp off coolant hoses -1- and -4- with 3094.

-- Remove coolant hoses from after-run coolant pump -V51-.

-- Spray rubber nubs -2- and -4- on after-run coolant pump -V51- retainer -1- with silicone-free lubricating spray.

Fig 4: Spray Rubber Nubs -2- And -4-

Courtesy of AUDI OF AMERICA, LLC

-- Disengage rubber nubs from retainer -3- for after-run coolant pump -V51-.

Installing

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

-- Install A/C compressor. Refer to REMOVAL AND INSTALLATION .

-- Install ribbed belt. Refer to RIBBED BELT .

-- Fill with coolant. Refer to COOLING SYSTEM, DRAINING AND FILLING .