Disassembly Special Tool(s) | Universal flange holding wrench 15-030A | | Mounting bracket, engine 21-031B | | Socket, cylinder head bolts 21-164 | | Crankshaft locking tool 21-168 | | Puller, crankshaft timing belt pulley 21-200 | | Socket, injectors 23-045 | Disassembly All Vehicles | -
General Remarks. - As of 08/1995, the camshaft timing belt drive has been revised. It is not possible to renew any of the gears or the belt itself with replacement parts from previous build years.
- If necessary, when removing coolant and ventilation hoses, For additional information, refer to Section 303-03 Engine Cooling.
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secure the engine to the assembly stand. - Attach the mounting bracket.
- Secure the engine to the assembly stand.
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Drain off the engine oil. Detach the oil pump with the oil filter. | | -
Remove the alternator (shown with the air conditioning compressor). - Slacken and remove the drive belt.
- Detach the belt tensioner.
- Remove the alternator bolts.
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Remove the injection pump belt pulley. | | -
Remove the crankshaft pulley/vibration damper. - Immobilise the crankshaft using the ring gear.
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Remove the timing belt upper cover. | | -
Remove the timing belt lower cover. | | -
Remove the injection pump timing belt cover. | | -
Slacken the bolt of the auxiliary shaft timing belt pulley. | | -
Remove the cylinder head cover. - Detach the crankcase ventilation hoses.
- Remove the bolts.
| Engines with automatic timing belt tensioner | -
Remove the camshaft timing belt. - Unscrew the bolt of the adjusting cam and remove the adjusting cam and the timing belt.
- Detach the camshaft timing belt tensioner.
- Undo the bolt of the camshaft timing belt pulley.
| Engines with automatic timing belt tensioner | -
NOTE:Position a screwdriver between the camshaft timing belt pulley and the timing belt rear cover. Detach the camshaft timing belt pulley (continued). - Release the camshaft timing belt pulley from its conical seat by tapping it lightly with a light metal drift.
| Engines with mechanical timing belt tensioner | -
Remove the camshaft timing belt pulley. - Undo the bolts of the timing belt pulley.
- Release the timing belt tensioner clamp bolt and slacken the timing belt.
- Tighten the timing belt tensioner clamp bolt.
- Remove timing belt and discard.
| All vehicles | -
Remove the injection pump timing belt. - Undo the bolts of the timing belt pulley.
- Release the timing belt tensioner clamp bolt and slacken the timing belt.
- Tighten the timing belt tensioner clamp bolt.
- Remove timing belt and discard.
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WARNING:The timing belt tensioner is spring-loaded. Remove the timing belt tensioner and the injection pump timing belt pulley. - Timing belt tensioner
- Timing belt pulley
| Engines with mechanical timing belt tensioner | -
WARNING:The timing belt tensioner is spring-loaded. Remove the timing belt tensioner and the camshaft timing belt pulley. - Timing belt tensioner bolts
- Camshaft timing belt pulley bolts
| All vehicles | -
Remove the engine mounting bracket. | | -
Remove the timing belt side cover. | | -
Remove the oil dipstick tube. | | -
Remove the fuel feed line. | | -
Disconnect the injection pipes and leak-off hoses. | | -
Remove the injection pump bracket. | | -
Remove the injection pump. | | -
Remove the thermostat housing, coolant hose and coolant pipe. | | -
Remove the alternator bracket. | | -
Remove the coolant pipe bracket. | | -
Remove injectors and heat shields. Remove the glow plugs. - Injectors
- Glow plug wiring
- Glow plugs
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Remove the cylinder head. - Take off the cylinder head and put it down on wooden blocks.
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Remove the flange of the crankshaft front timing belt pulley. | | -
Remove the auxiliary shaft timing belt pulley and oil seal housing. NOTE:Immobilise the timing belt pulley with the old timing belt. - Bolt of the auxiliary shaft timing belt pulley
- Bolts of the auxiliary shaft oil seal housing
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Remove the auxiliary shaft with the thrust plate. | | -
CAUTION:Only use a collet. Remove the crankshaft rear timing belt pulley. - Fit the collet.
- Pull the collet back as far as the stop.
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Pull off the crankshaft rear timing belt pulley (continued) - Screw in the spindle and pull off.
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Remove the crankshaft position sensor (CKP). | | -
NOTE:The oil seal is integrated in the housing. Remove crankshaft rear oil seal housing. | | -
Remove the CKP sensor bracket. | | -
CAUTION:Remove the sump downwards so that no oil sludge or abraded particles get into the engine. Remove the sump. | | -
Remove the front plate. - Press out the crankshaft front oil seal.
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Remove the oil intake pipe with the bracket. | | -
CAUTION:Do not damage the piston ring zone. Remove the pistons. - Remove the ring of carbon around the upper edge of the cylinders using a proprietary scraper.
- Press out the pistons with the connecting rods and big-end bearing shells.
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Remove the crankshaft. - Remove the main bearing caps.
- Take out the bearing shells and thrust half washers and put them down in order for re-use.
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