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Home >> Audi >> 2009 >> Q7 4.2 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (3.0L - Cooling System - Engine Code: CATA) >> 19 Cooling System >> Coolant Pipes >> Left Rear Coolant Pipe On Exhaust Gas RECIRCULATION Auxiliary Cooler, Removing And Installing

Left Rear Coolant Pipe On Exhaust Gas RECIRCULATION Auxiliary Cooler, Removing And Installing

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required 

Removal

Fig 1: Identifying Engine Cover -Arrows-
GWWA10-11000Courtesy of AUDI OF AMERICA, LLC

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

-- Carefully pull the engine cover off the 4 bolts one after the other -arrows-.

-- Remove the bolt -1-.

Fig 2: Identifying Bolt -1-, Clamp -Arrow- And Left Rear Coolant Pipe
GWWA19-10816Courtesy of AUDI OF AMERICA, LLC

-- Remove the left rear coolant pipe from the exhaust gas recirculation auxiliary cooler.

-- Loosen the clamp -arrow- and remove the coolant hose.

Installation

Install in reverse order of removal. Note the following:

NOTE:

Secure all hose connections with hose clamps of the same type as those equipped by the factory.

-- Clean and/or smooth the sealing surfaces of the o-rings.

-- Coat the o-ring with coolant and slide it onto the coolant pipe.

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