Rear Coolant Pipes, 4-Zone Climate Control, Removing And Installing

WARNING: This page is about a different car, the 2010 Audi Q7, 2009 Audi Q7, 2008 Audi Q7, and 2007 Audi Q7. 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 25mm3094
Hose Clip PliersVAG1921
Shop Crane - Drip TrayVAS6208

Removal

Proceed as follows:

-- On a vehicle with air suspension, activate vehicle lift mode, refer to VEHICLE LIFT MODE .

WARNING:

Risk of scalding due to hot steam and hot coolant.

The coolant system is under pressure when the engine is warm.
Reduce pressure by covering coolant reservoir cap with a cloth and carefully opening.

-- Open the coolant reservoir cap.

-- Remove the bolts and rear noise insulation -2-.

Fig 1: Identifying Front/Rear Noise Insulation

Courtesy of AUDI OF AMERICA, LLC

-- Place the Shop Crane - Drip TrayVAS6208 under the engine.

Fig 2: Identifying Bolts -1- And -2- And Hose Clamps 3094 On Coolant Hoses

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1- and -2-.

-- Clamp off the coolant hoses with Hose Clamps - Up To 40mm3093.

-- Remove rear coolant pipes from coolant hoses -arrows-.

NOTE:

The illustration shows location with automatic transmission.

Installation

Tightening specification, refer to COOLANT PIPES OVERVIEW .

Install in reverse order of removal. Note the following:

-- Fill the coolant, refer to COOLANT, DRAINING AND FILLING .