Daewoo Musso. Manual - part 108

OM600 ENGINE MECHANICAL  1B3-139

CAMSHAFT

Preceding Work : Removal of cylinder head cover

1 Bolt ............................................................ 25Nm
2 Washer
3 Camshaft Bearing Cap
4 Camshaft
5 Dowel Pin
6 Locking Washer
7 Timing Chain

8 Cylinder Head
9 Oil Pan

10 Camshaft Sprocket

11 Washer

12 12-Sided Bolt (M11) ............. Check, 25Nm + 90°
13 Gasket ................................................... Replace
14 Chain Tensioner ........................................ 80Nm

1B3-140  OM600 ENGINE MECHANICAL

3. Remove the starter motor and install the engine lock.

Engine Lock 602 589 00 40 00

Tools Required

602 589 00 40 00  Engine Lock

Removal Procedure

1. Rotate the crankshaft and position the piston of no.1 cylinder

at TDC.

Notice

Do not rotate the crankshaft in the opposite direction of
engine rotation.

In this position, the markings of the camshaft/camshaft
bearing cap (arrow) must be aligned.

2. Place alignment marks on the camshaft sprocket and timing

chain.

OM600 ENGINE MECHANICAL  1B3-141

4. Remove the bolt and then remove the camshaft sprocket.

Notice

During removal, be careful not to drop the sprocket with
chain. Remove the chain carefully and then pull out the
sprocket.

5. Remove the chain tensioner.

6. Remove the camshaft bearing cap bolts according to the

removal order.

Notice

Remove the camshaft bearing cap bolts of 1(dark arrow)
first and then remove the bolts of 2 (light arrow) one
revolution in stages until the counter-pressure is released.
In order to avoid damaging the camshaft, it is essential to
adhere to the removal order for the camshaft bearing caps.

OM 662LA

OM 661LA

1B3-142  OM600 ENGINE MECHANICAL

4. Install the camshaft bearing caps according to markings(1,

2, 3 etc.).

7. Remove the camshaft bearing cap.

8. Pull off the camshaft.

Notice

Be careful not to miss front locking washer.

9. Pull out the locking washer.

Notice

Check the condition of locking washer and replace if
necessary.

Installation Procedure

1. Insert the locking washer.

2. Check the valve tappet and ensure that tappet moves

smoothly.

3. Coat the camshaft with oil and install the camshaft onto the

cylinder head so that the TDC marking (arrow) is positioned
upward vertically.