After-Run Coolant Pump -V51-, 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
Hose Clip PliersVAS6340

Removal

Proceed as follows:

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.

-- Disconnect vacuum hose -1-.

Fig 1: Air Guide Pipe And Vacuum Hose

Courtesy of AUDI OF AMERICA, LLC

-- Remove air guide pipe -arrows-.

-- Disconnect the connector -arrow-.

Fig 2: Locating After Run Coolant Pump -V51-

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Use a cloth to catch any leaking coolant.

-- Clamp off coolant hoses -2 and 3- with hose clamps Hose Clamps - Up To 25mm3094 and remove coolant hoses from After-Run Coolant Pump -V51-.

NOTE:

Ignore -Item 1-.

-- Spray the rubber nubs -2 and 4- on the After-Run Coolant Pump -V51- retainer -item 1- with silicone-free lubricating spray.

Fig 3: Identifying Rubber Nubs -2 And 4- On After-Run Coolant Pump -V51- Retainer -1-

Courtesy of AUDI OF AMERICA, LLC

-- Disengage rubber nubs from retainer -3- for After-Run Coolant Pump -V51-.

Installation

Install in reverse order of removal. Note the following:

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