Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSAUDI2008A3 BASE, 2.0 E, AUTOMATIC DCTREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 9 (2.0L - IGNITION/GLOW PLUG SYSTEM - ENGINE CODE(S): CBEA)28 IGNITION/GLOW PLUG SYSTEMREMOVAL AND INSTALLATIONCAMSHAFT POSITION (CMP) SENSOR -G40

2008 Audi A3 Base, 2.0 E, Automatic DCT

Camshaft Position (CMP) Sensor -G40

2008 Audi A3 Base, 2.0 E, Automatic DCTSECTION Camshaft Position (CMP) Sensor -G40

WARNING: This page is about a different car, the 2013 Audi A3, 2012 Audi A3, 2011 Audi A3, and 2010 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the ribbed belt. Refer to [For engine(s) CBEA] Removal and Installation .

-- Remove vibration damper. Refer to [For engine(s) CBEA] Removal and Installation .

-- Remove toothed belt. Refer to [For engine(s) CBEA] Removal and Installation .

-- Remove the Exhaust Gas Recirculation (EGR) vacuum regulator solenoid valve -N18-. Refer to [For engine(s) CBEA] Removal and Installation .

-- Disconnect the connector -arrow- from the CMP sensor and pull the connector out of the mount.

Fig 1: Identifying Camshaft Position Sensor -G40- Connector -Arrow-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the CMP sensor -arrow-.

Fig 2: Identifying CMP Sensor -Arrow-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the ribs with a screwdriver and remove the cover for the repair opening -arrows-.

Fig 3: Identifying Repair Opening -Arrows-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the CMP sensor from the cylinder head and guide the connector through the opening in the toothed belt guard.

Installing

Install in reverse order of removal. When doing this note the following:

Seal off the opening in the toothed belt guard with a rubber plug.

-- Mount the toothed belt and adjust the valve timing. Refer to [For engine(s) CBEA] Removal and Installation .

-- Install vibration damper. Refer to [For engine(s) CBEA] Removal and Installation .

-- Install the ribbed belt. Refer to [For engine(s) CBEA] Removal and Installation .

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.