Coolant Pipe

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.

Removing

-- Drain coolant. Refer to COOLING SYSTEM, DRAINING AND FILLING .

-- Remove coolant thermostat housing. Refer to COOLANT THERMOSTAT HOUSING .

-- Remove oil dipstick.

-- Remove bolt -3-, remove oil dipstick guide tube -2- and lay aside.

Fig 1: Bolt -3-, Remove Oil Dipstick Guide Tube -2-

Courtesy of AUDI OF AMERICA, LLC

-- Remove bolt -4- and pull off vacuum reservoir -1- from intake manifold.

-- Lay aside vacuum reservoir with lines connected.

-- Unclip left and right wiring harness bracket -arrows- from coolant pipe.

Fig 2: Unclip Left And Right Wiring Harness Bracket -Arrows- From Coolant Pipe

Courtesy of AUDI OF AMERICA, LLC

-- Remove coolant hose -1- to oil cooler from coolant pipe.

-- Remove coolant pipe from cylinder block.

Installing

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

NOTE:

Replace O-rings.

-- Clean or smooth cylinder block O-ring sealing surface.

-- Coat new O-ring -1- with G12+ and slide onto coolant pipe -2-.

Fig 3: Identifying O-Ring & Coolant Pipe

Courtesy of AUDI OF AMERICA, LLC

-- Insert coolant pipe in hole at cylinder block.

-- Install coolant thermostat housing. Refer to COOLANT THERMOSTAT HOUSING .

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