Single shaft vehicle engines Opel Astra G (petrol)

General information
This part of Chapter 2 describes the types of engine repair work performed directly on the vehicle. If the engine was removed from the vehicle and...

Compression is the procedure for checking and interpreting the results obtained
1. If engine performance is clearly deteriorating, or if cylinders are malfunctioning despite the fuel and ignition systems being known to be in good working...

The order of setting the piston of the 1st cylinder at TDC of the compression stroke
1. Disconnect the battery from ground and remove the spark plugs ( see Chapter 1 ). 2. Remove the upper camshaft belt cover. 3. Turn the crankshaft clockwise...

Cylinder Head Cover — Removal and Installation
Removal 1. Remove the air intake cover from the throttle body ( Chapter 4A ). 2. Loosen the clamps and disconnect the crankcase exhaust hoses on the cylinder...

Crankshaft pulley — removal and installation
Removal 1. Raise the front of the car and place it on stands, remove the right wheel. 2. Remove the drive belt ( see Chapter 1 ), having previously indicated...

Timing Belt Covers — Removal and Installation
Top cover 1. Remove the air filter housing ( see Chapter 4A ). 2. Loosen the mounting bolts and remove the cover from the latches (see photo). 3. Installation...

Timing Belt for Camshaft Drive — Removal and Installation
Attention! Work is performed on a cold engine. Removal 1. Remove the top belt cover. 2. Set the piston of the 1st cylinder to TDC of the compression stroke. 3....

Tensioner and sprockets — removal and installation
Camshaft sprocket 1. Remove the camshaft drive belt. Secure the sprocket with a special key by the holes (see photo) and unscrew the bolt. Remove the sprocket....

Camshaft Seal — Replacement
1. Remove the camshaft sprocket. 2. Drill two diametrically opposite holes in the seal and screw in self-tapping screws. Remove the seal by grasping the screws...

Camshaft Bearing Housing and Camshaft — Removal and Installation
Removal using OPEL MKM 881 tool 1. Using the tool, the camshaft can be removed without dismantling the bearing housing. Tool (compressor) is installed on the...

Hydraulic tappets — removal and installation
Removal using the OPEL KM 565 tool 1. Using a special tool, hydraulic tappets can be removed without dismantling the camshaft. 2. Raise the front of the...

Cylinder head — removal and installation
1. Decompress the fuel system (Chapter 4A) and disconnect the battery from ground. 2. Drain the coolant. 3. Remove the camshaft belt. 4. Remove the engine...

Oil pan — removal and installation
Removal 1. Disconnect the battery from ground. 2. Set the handbrake, lift the front of the car and place it on stands. 3. Drain the oil from the engine. 4....

Oil pump — removal, inspection and installation
Removal 1. Remove the camshaft belt, crankshaft and camshaft sprockets and belt tensioner. 2. Remove the rear belt cover. 3. Remove the pan and oil receiver....

Flywheel/torque converter drive disc — removal and installation
Models with manual transmission 1. Remove the gearbox ( see Chapter 7A ) and clutch ( see Chapter 6 ). 2. Secure the flywheel from turning (see photo). 3....

Crankshaft seals — replacement
Right oil seal (from the toothed belt side) 1. Remove the crankshaft sprocket. 2. Drill two diametrically opposite holes in the seal and screw in self-tapping...

Powertrain Mounts — Removal and Installation
1. When removing the supports, the power unit should be lifted with a jack through a board. 2. The support fastenings are shown in the photo.

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