High Pressure Pump: Removing

WARNING: This page is about a different car, the 2015 Audi Q7, 2014 Audi Q7, and 2013 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove intake manifold. Refer to INTAKE MANIFOLD .

-- Remove the turbocharger. Refer to TURBOCHARGER, REMOVING AND INSTALLING .

-- Remove the oil cooler. Refer to ENGINE OIL COOLER, REMOVING AND INSTALLING .

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

-- Remove the bolts -arrows- and then tilt the turbocharger bracket -2- to the side.

Fig 1: Removing Bolts And Then Tilt Turbocharger Bracket

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-- Remove the rear noise insulation -1-. Refer to NOISE INSULATION, REMOVING AND INSTALLING . .

Fig 2: Identifying Front Noise Insulation

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-- Insert the guide pins for the SocketT40058 as follows:

Fig 3: Guide Pin And Adapter T40058

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The large diameter -arrow 1- faces the engine.
The small diameter -arrow 2- faces the adapter.

Fig 4: Identifying TDC With Special Tool Adapter T140058

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CAUTION:

Components could be destroyed by the camshaft timing chains jump off.

Turn crankshaft only in direction of engine rotation -arrow-.

-- Use the SocketT40058 to rotate the crankshaft to Top Dead Center (TDC).

As shown in the illustration, the marking -arrow- must be vertical on the center of the crankshaft.

Fig 5: Identifying Vertical Mark -Arrow- On Center Of Crankshaft
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NOTE:

To collect escaping engine oil, place a clean cloth under the upper oil pan.

Fig 6: Identifying Oil Pan Sealing Plug (Upper Section)

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-- Remove the locking bolt -arrow- for the TDC marking from the upper oil pan.

-- Install the Crankshaft Holder3242 in the hole and tighten to 20 Nm. Turn the crankshaft -1- back and slightly to completely center the bolt, if necessary.

Fig 7: Crankshaft Holder 3242

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-- Lock the chain sprocket for the high pressure pump with Locking PinT40245.

Fig 8: Identifying Locking Pin T40245

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CAUTION:

Collect escaping fuel with a cloth.
Do not let any fuel get on components or gaskets near the engine. This could cause leaks and lead to further damage.
Danger of malfunction caused by dirt.
Note, refer to FUEL SYSTEM SAFETY PRECAUTIONS

-- Remove the union nuts -arrows- and then remove the right high pressure line -1-.

Fig 9: High Pressure Line And Union Nut