Engine repair — disassembly procedure (Opel Astra F)

It is much easier to disassemble and work on an engine if it is mounted on a stand.

If there is no stand, the engine can be disassembled by placing it on a stand on a stable workbench or on the floor surface.

Before starting repairs, all auxiliary units and components must be removed. These include the following:

Generator and bracket (chapter 12).
Starter (chapter 12).
Rear cooling system pipes and hoses.
Intake and exhaust manifolds (chapter 4).
Oil filter (chapter 1).
Distributor/ignition coil parts, high tension wires and spark plugs (chapter 5).
Engine support.
Oil pressure sensor (chapter 12)
Engine crankcase breather pipe.
Engine brackets.
TDC sensor and bracket (if used, chapter 5).
Coolant temperature sensor (if used, chapter 3).
Knock sensor (engines with two camshafts, chapter 5).
Thermostat and casing (1.8 and 2.0 l engines, chapter 3).
Fuel pump (carburetor engines 1.4 l, chapter 4).
Power steering pump bracket (1.8 and 2.0L engines, chapter 10).
Power steering pump (if used, 1.4 and 1.6L engines, chapter 10).
Wiring.
Oil level indicator.
Mark the location of gaskets, seals, spacers, washers, bolts and other small parts.

Article published on the website: OpelBook.ru

If they work with an incomplete engine (consists of a cylinder block, crankshaft, pistons and connecting rods, all assembled), then the cylinder head, oil pan, drive belt, (single cam engines only) and probably other details (such as oil pump) will have to be removed from the old engine and installed on the new one.

If a complete overhaul is planned, the engine can be disassembled in the following order: