High Pressure Pump, Removing And Installing: Installing

Install in reverse order of removal and Note The Following: 

-- Place the hub -arrow- on the high pressure pump shaft.

Fig 1: Identifying Hub

Courtesy of AUDI OF AMERICA, LLC

• The fitted key on the high pressure pump shaft must engage in the groove on the hub.

-- Place the high pressure pump toothed belt sprocket on the hub.

• There must be no oil on the contact surface between the counterholder and the toothed belt sprocket.

-- Install the nuts -arrow- on the high pressure pump shaft threads.

Courtesy of AUDI OF AMERICA, LLC

-- Mount the :T10051  -A- on the toothed belt sprocket and tighten the nut -arrow- hand-tight.

-- Turn the high pressure pump toothed belt sprocket with the :T10051  until it can be secured using the :T10492  -B-.

-- To do this place the :T10492  in the hub fork -2- and the rear hole -1- in the sub-assembly bracket.

-- Loosen the nut -arrow- again.

• It must still be possible to rotate the high pressure pump toothed belt sprocket and it must not tip.

-- Install the toothed belt (adjust valve timing). Refer to TOOTHED BELT, REMOVING AND INSTALLING .

-- Install the high pressure line. Refer to HIGH PRESSURE LINES, REMOVING AND INSTALLING .

-- Bleed the fuel system. Refer to FUEL SYSTEM, FILLING/BLEEDING .

-- After replacing the high pressure pump reset the adaptation values.

-- Connect the Vehicle Diagnostic Tester.

-- Turn on the ignition and select the following menu items on the Vehicle Diagnostic Tester:

• Diagnostic-Capable Systems 
• Engine Electronics 
• Engine Electronic Functions 
• 01 - Reseting Adaptation Values 

-- Perform a leak test on the fuel system. Refer to FUEL SYSTEM LEAK TEST .