1998 SSANGYONG MUSSO Workshop Repair Manual

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 Chain8 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.

OM600 ENGINE MECHANICAL 1B3-143
5. Tighten the camshaft bearing cap bolts acccording to
installation order.
6. Install the camshaft sprocket to be aligned the markings of
the camshaft / camshaft bearing cap (arrow).
Notice
Align the alignment marks on the timing chain and sprocket.
Tightening Torque 25 Nm
Notice
Tighten the No. 1 bolts (light arrow) by one revolution in
stages first and then tighten the No.2 bolts (dark arrow).
OM 661LA OM 662LA
7. Tighten the camshaft sprocket bolt.
Tightening Torque 25Nm + 90°

1B3-144 OM600 ENGINE MECHANICAL
10. Check the TDC marking of OT on the crankshaft.8. Install the chain tensioner.
Tightening Torque 80 Nm
Notice
Replace the seal.
Before installation, by pumping in the oil approx. 10 times,
fill the oil.
9. Remove the engine lock.
Notice
If max. length ‘L’ of the 12-sided bolt exceeds 53.6mm,
replace it.

OM600 ENGINE MECHANICAL 1B3-145
CHAIN TENSIONER
1 Chain Tensioner........................................80Nm 2Seal....................................................... Replace

1B3-146 OM600 ENGINE MECHANICAL
Notice
Always install the chain tensioner to be filled with oil.
Place the chain tensioner in engine oil up to over the collar on the hexagon head with the thrust pin facing up.
Slowly push down the thrust pin as far as the stop 7~10 times with the aid of a press or a column drill
Faulty chain tensioners should be replaced completely.
3 Screw Plug
4 Aluminum Gasket
5 Ball
6 Ball Guide
7 Compression Spring
8 Compression Spring
9 Housing
10 Thrust Pin11 Valve Disc
12 O-Ring
13 Snap Ring
14 Compression Spring
15 Filler
A Feed Bore from Cylinder Head
B To Oil Pan