Removal and installation a turbocharger (Opel Astra G)

Removal

1. Remove the exhaust manifold and turbocharger assembly (see Removal and installation the exhaust manifold).

2. Transfer the exhaust manifold assembly with turbocharger to the work bench, remove the mounting bolts/nuts and remove the exhaust connecting flange with the sealing gasket.

A — Mounting flange bolts to turbocharger (1.7L SOHC and 2.0L models)

B — Nuts for fastening the mounting flange to the turbocharger (1.7L DOHC models)

A.

B.

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3. Loosen the union nuts and disconnect the oil feed pipe from the cylinder block and turbocharger - be prepared to collect any spilled oil.

A — Turbocharger oil feed pipe (1.7L SOHC and 2.0L models)



B — Turbocharger oil feed pipe (1.7L DOHC models)

A.

B.

4. Unscrew the mounting bolts and remove the oil return pipe with the gasket.



5. Loosen the mounting bolts/nuts and remove the turbocharger with the sealing gasket from the manifold.

A — Three TORX bolts securing the turbocharger to the exhaust manifold (1.7L SOHC and 2.0L models)



B — Nuts securing the turbocharger to the exhaust manifold (1.7L DOHC models)





Do not attempt to disassemble the turbocharger yourself - if necessary, seek help from car service specialists.

Installation

Installation is carried out in reverse order.

1. Don't forget to replace the sealing elements. Tighten all fasteners to the required force.

2. Finally, install the manifold assembly with the turbocharger on the vehicle (see Removal and installation the exhaust manifold).