Diesel engines 2.5 liter car Opel Omega B2

Description of specifications and repair procedures for 2.5 liter diesel engines.

2.5 liter diesel engine specifications
Tightening torques for threaded connections, Nm Starter to Transmission Mounting Bolts - 47 Drive disk to crankshaft - 120 Exhaust manifold to cylinder head -...

Engine — removal and installation
Attention! The procedure for removing the engine from the engine compartment and installing it is given using the example of a car with a Y25DT engine and a...

Cylinder Head Cover — Removal and Installation
Removal 1. Disconnect the negative (-) terminal from the battery. 2. Remove the protective cover from the engine and disconnect the boost air line 3 from the...

TDC of piston of cylinder No. 1 — installation
1. Remove the cylinder head cover ( see the relevant chapter ). 2. Unscrew plug 1 from the cylinder block (see illustration). 3. Turn the crankshaft in the...

Cylinder head — removal and installation
Removal Caution! The cylinder head should only be removed from a cooled engine. 1. Cars with air conditioning. Disconnect the air conditioning compressor and...

Cylinder head — overhaul
Removal camshafts 1. Remove the alternator drive belt. 2. Remove the cylinder head cover ( see the relevant chapter ). 3. Remove the vacuum pump ( see the...

Vacuum pump — removal and installation
Removal 1. Remove the boost air line, see the relevant chapter . 2. Disconnect the low pressure hose 2 from the vacuum pump 3 (see illustration). 3. Unscrew...

Crankshaft — removal and installation
Removal 1. Remove the power unit from the engine compartment ( see the relevant chapter ). 2. Disconnect the gearbox from the engine. 3. Remove the timing...

Connecting rod and piston group — removal and installation
Removal 1. Remove the cylinder head ( see the relevant chapter ). 2. Remove the oil pump 2 ( see the relevant chapter ) and strengthening of 1 cylinder block...

Flywheel — removal and installation
Removal 1. Remove the gearbox and clutch ( see the relevant chapter ). 2. Lock the flywheel 2 with a thrust shoe 1 KM-814, unscrew the eight mounting bolts and...

Front Crankshaft Oil Seal — Replacement
Removal 1. Remove the torsional vibration damper and ensure that the sealing surfaces are not damaged. 2. Install the KM-6266 puller 3 on the seal 1 and press...

Rear Crankshaft Oil Seal — Replacement
Removal 1. Remove the flywheel or drive disc from the crankshaft ( see the relevant chapter ). 2. Remove the oil pan ( see the relevant chapter ). 3. Remove...

V-ribbed auxiliary drive belt — removal and installation
Removal 1. Remove the radiator fan with viscous coupling. 2. Remove the air conditioning compressor drive belt. 3. Unscrew bolt 2, which secures the cooling...

Oil pan — removal and installation
Removal 1. Disconnect the negative (-) battery terminal from the battery. 2. Remove the engine splash guard, the engine oil dipstick guide tube and drain the...

Oil pump — removal and installation
Removal 1. Remove the oil pan. 2. Unscrew bolt 2 securing sprocket 1 and remove it from the oil pump shaft (see illustration). 3. Unscrew bolts 4 and remove...

Compression — check
1. Remove the glow plugs. 2. Disconnect plug 3 from the camshaft position sensor (see illustration). 3. Disconnect the connectors 1 from the fuel injectors...

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