Page 593 of 2053
1B3 -- 44 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
22. Remove the cable channel.
23 .Disconnect the cables from the glow plug sensor
and coolant temperature sensor.
24. Remove the heater pipe bracket from the oil filter.
25. Pry off the clamp and push the heater feed pipe for-
ward and then pull out the pipe.
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1B3 -- 52 OM600 ENGINE MECHANICAL
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Assembly Procedure
1. Replace the cylinder head gasket.
2. Install the cylinder head onto the crankcase.
Notice
Align the cylinder head holes with the guide pins.
3. Measure the length(L) of cylinder head bolts.
Notice
If the max. length is exceeded, replace the bolts.
Thread Dia.Length (L)
When NewMax. Limit (L)
M1080mm82mm
M10120mm104mm
M10115 m m117mm
OM662LA4. Coat the head contact surface of bolts and thread
with oil and insert them as shown.
-- Cylinder head bolts arrangement
Bore
1M10x80......................
2 M10 x 102......................
3M10x115......................
4M8x50......................
5M8x80......................
Page 605 of 2053
1B3 -- 56 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
17. Coat the camshaft with oil and install the camshaft
on the cylinder head to be TDC mark(arrow) up-
ward.
18. Measure the axial end play of the camshaft.
End Play0.06 -- 0.21mm
Notice
If out of standard, adjust it with the proper thickness
of locking washer.
19. Install the bearing caps on the camshaft according
to the number on the caps.
20. Tighten the bearing cap bolts according to the nu-
merical sequence.
Tightening Torque25 N∙m (18 lb-ft)
Notice
Tighten the No. 1 bolts(light arrow) first and then
tighten the No. 2 bolts(dark arrow) stage by stage.
OM662LA
OM661LA
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OM600 ENGINE MECHANICAL 1B3 -- 61
D AEW OO M Y_2000
38. Replace the O -- ring of heater feed pipe and install it
to the cylinder head.
Notice
For installation, clean the hole.
39. Install the bracket of heater feed pipe to the oil filter.
40. Install the fuel pipe and the accelerator control link-
age.
41. Connect the fuel lines to the injection nozzles and to
the injection pump.
Tightening Torque18 N∙m (13 lb-ft)
Box Wrench Insert 000 589 77 03 00
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1B3 -- 62 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
42. Install the poly V-- belt.
Notice
Be careful not to contaminate the belt.
43. By inserting a rod into the tensioning lever upper
hole and pulling the rod, install the bolt and then
tighten the nut.
Tightening Torque23 N∙m (17 lb-ft)
44. Install the oil dipstick tube bracket.
Tightening Torque10 N∙m(89lb-in)
45. Hold the cooling fan with the counter holder and
tighten the bolt.
Page 612 of 2053

OM600 ENGINE MECHANICAL 1B3 -- 63
D AEW OO M Y_2000
TIMING CASE COVER
Preceding Work : Removal of the cooling fan
Rmoval of the V-- belt tensioning device
Removal of the vibration damper and hub
Removal of the generator
1 Bolt 10N∙m (89 lb-in) .....................
2 Cylinder Head Cover
3 Gasket Replace..........................
4 Socket Bolt 25N∙m (18 lb-ft) ................
5 Fuel Filter
6 Square Nut
7OilPan
8 Socket Bolt 10N∙m (89 lb-in) ...............
9 Bolt M6 : 10N∙m (89 lb-in) ................
M8 : 23N∙m (17 lb-ft)
10 Power Steering Pump
11 Bolt
12 Belt Pulley13 Bolt 32N∙m (24 lb-ft) ......................
14 Timing Case Cover
15 Bolt 23N∙m (17 lb-ft) ......................
16 Generator Bracket
17 Bolt 45N∙m (33 lb-ft) ......................
18 Bolt 25N∙m (18 lb-ft) ......................
19 Bolt 10N∙m(89lb-in) .....................
20 Closing Cover
21 Socket Bolt 23N∙m (17 lb-ft) ................
22 Guide Pulley
23 Bolt 9N∙m(80lb-in) .......................
24 Guide Pulley Bracket
25 Nut 23N∙m (17 lb-ft) .......................
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1B3 -- 64 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
Tools Required
116 589 03 07 00 Socket Wrench
Removal Procedure
1. Remove the fan clutch and cooling fan belt pulley.
2. Drain the engine oil completely.
3. Remove the oil dipstick tube bracket bolts.
4. Remove the crankshaft pulley.
5. Loosen the bolt (1) and then remove the cylinder
head cover (2) and gasket.
6. Remove the vacuum pump.
7. Detach the closing cover (20). Remove the bolts(21)
and then remove the guide pulley (22).
8. Remove the guide pulley bracket (24).
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1B3 -- 66 OM600 ENGINE MECHANICAL
D AEW OO M Y_2000
13. Remove the camshaft.
14. Remove the socket bolts(4) in the chain box.
Socket Wrench 115 589 03 07 00
15. Remove the injection pump.
Notice
See the “Removal of fuel injection pump”.
16. Remove the oil pan bolts (8, 9) in the area of the tim-
ing case cover (14).
17. Slightly loosen the remaining oil pan bolts.
18. Remove the timing case cover (19) bolts and then
remove the timing case cover (14).
Notice
Be careful not to damage the cylinder head gasket
or oil pan gasket.