Overview - Oil Pan/Oil Pump

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NOTE:

If large quantities of metal particles or other deposits such as those caused by partial seizure of the crankshaft or connecting rod damage are found in the engine oil, clean the oil channels thoroughly and replace the engine oil cooler to prevent further damage.

Fig 1: Overview Of Oil Pan/Oil Pump

Courtesy of AUDI OF AMERICA, LLC

Oil Level Thermal Sensor -G266-
- Removing and installing. Refer to Oil Level Thermal Sensor -G266-, REMOVING AND INSTALLING .
Seal
- Replace
Bolt
- Replace
- Tightening sequence. Refer to Fig 2
Oil Pan Lower Section
- Removing and installing. Refer to OIL PAN LOWER SECTION, REMOVING AND INSTALLING .
Oil Baffle
- Replace
Intake Line
- Clean the screen if it is dirty.
Bolt
- 9 Nm
O-Ring
- Replace
- Lubricate
Oil Pump
- Removing and installing. Refer to OIL PUMP, REMOVING AND INSTALLING .
Centering Sleeve
O-Ring
- Replace
Oil Pressure Regulation Valve -N428-
- Removing and installing. Refer to Oil Pressure Regulation Valve -N428-, REMOVING AND INSTALLING .
Bolt
- 9 Nm
Chain Tensioner
Oil Pump Drive Chain
- Mark direction of rotation before removing
Bolt
- 9 Nm
Seal
- Replace
Oil Separator
- Removing and installing. Refer to OIL SEPARATOR, REMOVING AND INSTALLING .
Bolt
- Tightening sequence. Refer to Fig 4
Oil Pan Upper Section
- Removing and installing. Refer to OIL PAN UPPER SECTION, REMOVING AND INSTALLING .
Bolt
- Replace
- Tightening sequence. Refer to Fig 3
Bolt
- Replace
- Tightening sequence. Refer to Fig 3
Bolt
- 20 Nm
Seal
Bolt
- 9 Nm
Seal
Check Valve
Oil Drain Plug
- 30 Nm
- Replace
Nut
- 9 Nm

Fig 2: Identifying Lower Oil Pan, Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts -1 through 19- in two stages as follows:

-- Tighten the bolts to 8 Nm.

-- Turn the bolts an additional 45°.

Fig 3: Identifying Upper Oil Pan, Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts -1 through 13- in two stages as follows:

-- 1. Tighten the bolts to 15 Nm.

-- 2. Tighten the bolts an additional 90°.

Fig 4: Identifying Oil Separator Bolt Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts to 9 Nm in the order -1 to 9-.