High Pressure Pump, Removing And Installing: Installing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal. Note the following:

-- Modify the adapter from the old high pressure pump to the new one when replacing the high pressure pump.

Fig 1: Special Tool High Pressure Pump Shaft Holder

Courtesy of AUDI OF AMERICA, LLC

-- To loosen and tighten the nut -arrow- of the adapter, use the High Pressure Pump Shaft Holder T40248 or High Pressure Pump Shaft Holder T40292.

-- Remove the adapter from the high pressure pump -1- as shown in the illustration below. Use a puller, such as the Kukko 15-1/17-1/ and 18-1 (commercially available) to do this.

Fig 2: Puller Kukko 15-1/17-1/ And 18-1

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Different adapters may be installed depending on the date of manufacture

The high pressure lines also need to be replaced when replacing the high pressure pump.

-- Guide the high pressure pump into the chain sprocket.

Fig 3: Double Splines And Adapter Groove

Courtesy of AUDI OF AMERICA, LLC

The chain sprocket double splines -arrow A- need to align with the adapter groove -arrow B- on the high pressure pump shaft.

-- Remove the Locking Pin T40245.

-- Install the high pressure lines, refer to HIGH PRESSURE LINES, REMOVING AND INSTALLING .

-- Install the coolant shut-off valve, refer to COOLANT SHUT-OFF VALVE, REMOVING AND INSTALLING .

-- Install the engine oil cooler, refer to ENGINE OIL COOLER, REMOVING AND INSTALLING .

-- Install the turbocharger, refer to TURBOCHARGER, REMOVING AND INSTALLING .

-- Install the intake manifold, refer to Installing .

CAUTION:

Letting the high pressure pump run dry will damage it.

The high pressure pump must be filled with fuel after installing, but before the engine is started for the first time, refer to FUEL TANK, FILLING WITH FUEL AFTER INSTALLING HIGH PRESSURE PUMP .