SsangYong Rexton. Manual — part 349

M161 ENGINE MECHANICAL 1B2-79

SSANGYONG Y200

PISTON

Preceding Work:

Removal of engine

Removal of cylinder head

Removal of oil pan

Removal of oil pump

Removal of baffle plate

1 Connecting Rod Bearing Cap
2 Connecting Rod
3 Connecting Rod Bolt (M9 x 52, 8 pieces)

. . . . . . . . .. 1st step 40 N•m (30 lb-ft)

2nd step 90 °

YAD1B2R0

4 Piston
5 Snap Ring
6 Piston Pin

SSANGYONG Y200

1B2-80 M161 ENGINE MECHANICAL

YAD1B2Q0

YAD1B2R0

Removal Procedure

1. Unscrew the connecting rod bolt (3) and remove

the cap.

2. Remove the connecting rod and the piston upward.

Notice: Make sure that the bearing cap and shell
are not changed each other.

3. Removethe snapring (5)and pulloutthepiston pin

(6).

Notice: Remove the snap ring using a clean cloth
as shown in the right picture so that the piston,
piston ring, and the snap ring don’t get damaged.

Installation Procedure

M161 ENGINE MECHANICAL 1B2-81

SSANGYONG Y200

YAD1B2S0

1. Check the piston ring gap and apply the engine

oil to the piston pin and the connecting rod
bushing.

2. Connect the piston and the connecting rod by

pressing in the piston pin (6) and install the snap
ring to the groove.

3. Clean the cylinder bore, connecting rod bearing

journal, connecting rod bearing shell and the
piston and coat them with engine oil.

4. Install the piston ring.

5. Install the piston so that the arrow on the piston

head faces to the forward of the vehicle.

6. After aligning the connecting rod and the bearing

cap mark (// or a number), tighten the bolts.

Installation Notice

Apply the engine oil to the bearing cap upper and
lower bearing shells.

7. Check if the crankshaft rotates without any trouble

by rotating it.

Tightening Torque

1st step : 40 N•m (30 lb-ft)

2nd step : 90 °

SSANGYONG Y200

1B2-82 M161 ENGINE MECHANICAL

149 ±0.05 mm

21.940 - 22.000 mm

21.940 - 22.000 mm

51.600 - 51.614 mm

24.500 - 24.521 mm

22.007 - 22.013 mm

0.007 - 0.018 mm

0.005 mm

0.1/100 mm

0.045/100 mm

0.01 mm

0.4 g

Distance (L) from The Connecting Rod Bearing to Bushing Bore Center

Width of The Connecting Rod (B) at Bearing Bore

Width of The Connecting Rod (b) at Bushing Bore

Basic Bore at The Bearing Shell (D1)

Basic Bore at The Bushing (d1)

Bushing Inner Diameter (d)

Clearance Between The Piston Pin and The Bushing

Peak-to-valley Height of Connecting Rod Bushing on Inside

Permissible Wwist of Connecting Rod Bearing Bore to Connecting Rod Bushing

Bore

Permissible Deviation of Axial Paralleism of Connecting Rod

Bearing Bore to Connecting Rod Bushing Bore

Permissible Deviation of Axial Paralleism of Connecting Rod Bearing Bore from

Concentricity

Permissible Difference of Each Connecting Rod in Weight

YAD1B970

CONNECTING ROD

Preceding Work:

Removal of piston

1 Connecting Rod Bushing
2 Oil Gallery
3 Balance Weight
4 Connecting Rod Bearing Cap Bolt

(M9 x 52, 8 pieces)

. . . . . . . . . . 1ststep 40 N•m (30 lb-ft)

2nd step 90 °

5 Fit Sleeve
6 Upper Connecting Rod Bearing
7 Lower Connecting Rod Bearing
8 Bearing Shell Lug
9 Marking [Indication (//) or Numbers]

Service Data Standard