MARUTI SUZUKI Wagon R, Manual

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1D-14 Engine Mechanical:
5) Install cylinder head to cylinder block as follows.
NOTE
Before installing cylinder head to cylinder
block, turn crankshaft and position key (1)
within specified range (30° – 90°) in
counterclockwise direction from top as
shown in figure.
a) Apply engine oil to cylinder head No.1 bolts
threads.
b) Tighten cylinder head No.1 bolts to 20 N
⋅
m (2.0
kgf-m, 15.0 lbf-ft) in numerical order (“1” – “8”)
evenly and gradually.
NOTE
Use 12-point socket wrench for cylinder head
No.1 bolts.
c) In the same manner as in Step b), retighten
cylinder head No.1 bolts to 40 N
⋅
m (4.1 kgf-m,
29.5 lbf-ft).
d) In the same manner as in Step b), retighten
cylinder head No.1 bolts to 60°.
e) Repeat Step d) once again.
f) Tighten cylinder head No.2 bolt (1) to specified
torque after performing above Steps a) to e).
Tightening torque
Cylinder head No.1 bolt* (a): 20 N
⋅
m → 40
N
⋅
m → +60° → +60° (2.0 kgf-m → 4.0 kgf-m →
+60° → +60°, 14.5 lbf-ft → 29.0 lbf-ft → +60° →
+60°)
Cylinder head No.2 bolt* (b): 25 N·m (2.5 kgf-
m, 18.5 lbf-ft)
6) Install intake and exhaust camshaft and tappet.
)
7) Install timing chain. )
8) Install timing chain cover. )
9) Install cylinder head cover. )
10) Install oil pan.
)
11) Install thermostat assembly if removed. )
12) Install spark plugs. )
13) Install exhaust manifold if removed. )
14) Install intake manifold if removed.
)
15) Install petrol fuel injectors if removed.
• Petrol model: Reference “Fuel Injector Removal
and Installation: Petrol Model” in Section 1G in
related manual mentioned in the Foreword of this
manual.
• Bi-Fuel LPG model: )
16) Install engine assembly.
)
Piston, Piston Ring and Connecting Rod
Disassembly and Reassembly
AENAR90A1406034
CAUTION
!
Keep the following parts as a group for each
cylinder. They must be reassembled in the
position from which they were removed.
• Piston
• Piston pin
• Piston ring
• Connecting rod
• Connecting rod bearing
• Connecting rod bearing cap
NOTE
For identification of each cylinder, refer to
“Cylinder Identification Description: Petrol
model” in Section 1A in related manual
mentioned in the Foreword of this manual or
“Cylinder Identification Description”: in
Section .
Disassembly
1) Using piston ring expander, remove 1st and 2nd
rings and oil ring from piston.
“a”: 30° “b”: 90° 1. Key
2
1
I8C50A140049-01
“
a
”
1
“
b
”
I7V20A141058-01
1, (b)
“8”, (a)
“5”, (a)
“7”, (a)
“6”, (a)
“2”, (a)
“4”, (a)
“3”, (a) “1”, (a)
I8C50A140050-01