Left Coolant Pipe, Removing And Installing

WARNING: This page is about a different car, the 2011 Audi Q7, 2010 Audi Q7, and 2009 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Wrench - Pin Type3212
Shop Crane - Drip TrayVAS6208
Hose Clip PliersVAS6362

Removal

Fig 1: Identifying Bolts -1 & 2- And Electrical Connector -3-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the A/C Compressor. Refer to COMPRESSOR, REMOVING AND INSTALLING ON BRACKET .

-- Disconnect the connector -3-.

-- Remove the screws -1- and -2-, remove the Throttle Valve Control Module -J338- from the intake tube.

-- Using an Wrench - Pin Type3212 as a counterholder, remove the bolts -arrows- and remove the power steering pump ribbed belt pulley.

Fig 2: Identifying Spanner Wrench 3212 And Bolts -Arrows-

Courtesy of AUDI OF AMERICA, LLC

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

Fig 3: Identifying Power Steering Pump Bolts -1 And 2-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the power steering pump and tie it upward.

-- Remove the bolt -2- for the oil dipstick guide tube.

Fig 4: Identifying Ribbed Belt Tensioner Bolt -1- And Oil Dipstick Guide Tube Bolt -2-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the ribbed belt tensioning element bolt -1-.

WARNING:

Risk of scalding due to hot steam and hot coolant.

The coolant system is under pressure when the engine is warm.
Cover the coolant reservoir cap with a cloth and then open it slowly to release the pressure.

-- Open the coolant reservoir cap.

Shop Crane - Drip TrayVAS6208

Fig 5: Identifying Clamp -1- To Coolant Hose, Bolts -2 & 4- And Clamp -3-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the coolant hose from the left coolant pipe by loosening the hose clamp -1- and letting the coolant drain out.

-- Remove the bolts -4- and -arrows- and remove the accessory assembly bracket.

-- Loosen the clamp -3- and remove the coolant hose from the left coolant pipe.

-- Remove the bolt -2- and remove the left coolant pipe from the bracket.

Installation

Install in reverse order of removal. Note the following:

Tightening specifications. Refer to COOLANT PIPES OVERVIEW .

NOTE:

Replace the seal and o-ring.

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

-- Clean or smooth the seal and o-ring sealing surfaces.

-- Coat the seal and o-ring with coolant and then mount them on the coolant pipe.

-- Install the accessory assembly bracket and ribbed belt tensioning element. Refer to RIBBED BELT DRIVE OVERVIEW .

-- Install oil dipstick guide tube, refer to OIL PAN UPPER SECTION OVERVIEW .

-- Install the power steering pump. Refer to Steering .

-- Install the Throttle Valve Control Module -J338-. Refer to OVERVIEW - INTAKE MANIFOLD .

-- Install the A/C Compressor. Refer to COMPRESSOR, REMOVING AND INSTALLING ON BRACKET .

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