Removal
Raise the vehicle and place it on supports.
Remove the front exhaust pipe.
Drain the oil from the engine and tighten the drain plug.
Disconnect the wire from the oil level sensor (if any).
Loosen the bolts securing the cover to the gearbox.
Loosen all crankcase mounting bolts and remove it.
Material was taken from a resource [www.opelbook.ru]
Remove the oil intake mounts.
Remove the pipe.
Installation
Remove any remaining sealing gasket from the mating surface of the oil pan.
Tighten the oil intake mounting bolts: for 1.4 and 1.6 l engines - to 8 Nm, for 1.8 and 2.0 l engines - to 6 Nm.
Cover the mating surface with a layer of sealant, for example, Opel 503294 (9000181) (see arrows in Fig.A9248).
Put in a new gasket.
Cover the sealing surfaces on the roundings with sealant.
Install the oil pan and tighten its bolts: for 1.4 and 1.6 l engines - 8 Nm, for 1.7, 1.8 and 2.0 l engines - 5 Nm.
Caution! Do not tighten the bolts too much, otherwise you may squeeze out the gasket. Before tightening, lubricate the bolts with a sealant, for example, Opel 1503177.
Install the gearbox cover.
Tighten the front exhaust pipe mounting bolts to 25 Nm.
Connect the connector to the oil level sensor.
Pour in oil.
After a test drive, check for leaks in the connections and at the drain plug. Tighten the bolts if necessary.
1.7L turbocharged diesel engine TC4EE1
Removal
Loosen all bolts securing the lower part of the oil pan.
Loosen all the bolts securing the upper part of the crankcase and remove the crankcase.
Installation
Remove any remaining gasket from the crankcase mating surface.
Cover the mating surface with a layer of Opel sealant 1503294.
Tighten the upper crankcase mounting bolts to 10 Nm.
Tighten the lower crankcase mounting bolts to 10 Nm.
Install the front exhaust pipe and tighten its mount to the turbocharger to 65 Nm.
Install a new oil drain plug gasket and tighten the plug to 80 Nm.
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