Engine assembly SUZUKI SWIFT 2006 2.G Service Owners Manual

Downloaded from www.Manualslib.com manuals search engine 1D-35 Engine Mechanical:
Valves and Cylinder Head Removal and
Installation
S7RS0B1406024
Removal1) Remove engine assembly from vehicle referring to “Engine Assembly Removal and Installation”.
2) Remove oil pan referring to “Oil Pan and Oil Pump
Strainer Removal and Installation in Section 1E”.
3) Remove cylinder head cover referring to “Cylinder Head Cover Removal and Installation”.
4) Remove timing chain cover referring to Steps 2) to 11) of “Removal” in “Tim ing Chain Cover Removal
and Installation”.
5) Remove timing chain referring to Steps 2) to 6) of “Removal” in “Timing Chain and Chain Tensioner
Removal and Installation”.
6) Remove intake and exhaust camshafts referring to Steps 3) to 8) of “Removal” in “Camshaft, Tappet and
Shim Removal and Installation”.
7) Loosen cylinder head bolts in such order as indicated in the figure by using a 12 corner socket
wrenches and remove them.
NOTE
• Don’t forget to remove bolt (M8) (1) as shown in figure.
• Never reuse cylinder head bolts once disassembled it due to plastic deformation
tightening. Be sure to use new cylinder
head bolts when installing.

8) Check all around cylinder head for any other parts required to be removed or disconnected and remove
or disconnect whatever necessary.
9) Remove exhaust manifold, if necessary referring to
“Exhaust Manifold Removal and Installation in
Section 1K”.
10) Remove cylinder head wi th intake manifold and
exhaust manifold. Use lifting device, if necessary. Installation
1) Clean mating surface of cylinder head and cylinder block. Remove oil, old gasket and dust from mating
surface.
2) Install knock pins (1) to cylinder block.
3) Install new cylinder head gasket (2) to cylinder block. “Top” or “Triangle/circle” mark provided on gasket
comes to crankshaft pulley side, facing up (toward
cylinder head side).
4) Make sure that oil jet (venturi plug) (1) is not clogged. If it is not install ed, install it as specified
torque.
Tightening torque
Venturi plug (a): 3.5 N·m (0.35 kgf-m, 3.0 lb-ft)
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Downloaded from www.Manualslib.com manuals search engine 1D-37 Engine Mechanical:
Valves and Cylinder Head Disassembly and
Assembly
S7RS0B1406025
Disassembly1) For ease in servicing cylinder head, remove intake manifold, injectors, exhaust manifold from cylinder
head.
2) Using special tools (Val ve lifter), compress valve
spring and then remove valve cotters (1) also by
using special tool (Forceps).
Special tool
(A): 09916–14510
(B): 09916–14521
(C): 09916–84511 3) Release special tools (Valve lifter), and remove
spring retainer and valve spring.
4) Remove valve from combustion chamber side.
5) Remove valve stem seal (1) from valve guide and valve spring seat (2).
NOTE
Do not reuse valve stem seal once
disassembled. Be sure to use new seal when
assembling.

6) Using special tool (Valve guide remover), drive valve guide out from combustion chamber side to valve
spring side.
Special tool
(A): 09916–44910
NOTE
Do not reuse valve guide once disassembled.
Be sure to use new va lve guide (oversize)
when assembling.

7) Place disassembled parts except valve stem seal
and valve guide in order so that they can be installed
in their original position.
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Downloaded from www.Manualslib.com manuals search engine Engine Mechanical: 1D-38
Assembly1) Before installing valve guide into cylinder head, ream
guide hole with special tool (10.5 mm reamer) so as
to remove burrs and make it truly round.
Special tool
(A): 09916–34542
(B): 09916–37320
2) Install valve guide to cylinder head. Heat cylinder head uniformly at a temperature of 80
to 100 °C (176 to 212 °F) so that head will not be
distorted, and drive new valve guide into hole with
special tools.
Drive in new valve guide until special tool (Valve
guide installer) contacts cylinder head.
After installing, ma ke sure that valve guide pr otrudes
by specified dimension “a” from cylinder head.
Special tool
(A): 09916–58210
(B): 09916–56011
NOTE
• Never reuse valve guide once disassembled. Make sure to install new
valve guide (Oversize).
• Intake and exhaust valve guides are identical.

Valve guide protrusion (In and Ex)
“a”: 11.3 mm (0.44 in.) 3) Ream valve guide bore with special tool (5.5 mm
reamer). After reaming, clean bore.
Special tool
(A): 09916–34542
(B): 09916–34550
4) Install valve spring seat to cylinder head.
5) Install new valve stem seal (1) to valve guide. After applying engine oil to seal and spindle of
special tool (Valve guide installer handle), fit oil seal
to spindle, and then install seal to valve guide by
pushing special tool by hand.
After installing, check to be sure that seal is properly
fixed to valve guide.
Special tool
(A): 09917–98221
(B): 09916–58210
NOTE
• Do not reuse seal once disassembled. Be sure to install new seal.
• When installing, never tap or hit special tool with a hammer or else. Install seal to
guide only by pushing special tool by
hand. Tapping or hitting special tool may
cause damage to seal.

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Downloaded from www.Manualslib.com manuals search engine 1D-39 Engine Mechanical:
6) Install valve to valve guide.Before installing valve to valve guide, apply engine
oil to stem seal, valve guide bore and valve stem.
7) Install valve spring and spring retainer. Each valve spring has top end (large-pitch end (1))
and bottom end (small-pitch end (2)). Be sure to
position spring in place with its bottom end (small-
pitch end) facing the bottom (valve spring seat side). 8) Using special tools (Val
ve lifter), compress valve
spring and fit two valve cotters (1) into groove in
valve stem.
NOTE
When compressing the valve spring, be
carefully to free from damage in inside face
of tappet installing hole.

Special tool
(A): 09916–14510
(B): 09916–14521
(C): 09916–84511
9) Install intake manifold referring to “Engine Assembly Removal and Installation”.
10) Install fuel injectors referring to “Fuel Injector Removal and Installati on in Section 1G”.
11) Install exhaust manifold referring to “Exhaust Manifold Removal and Inst allation in Section 1K”.
A: Valve spring retainer side
B: Valve spring seat side
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Downloaded from www.Manualslib.com manuals search engine 1D-45 Engine Mechanical:
Pistons, Piston Rings, Connecting Rods and
Cylinders Removal and Installation
S7RS0B1406030
Removal1) Remove engine assembly from vehicle referring to “Engine Assembly Removal and Installation”.
2) Remove cylinder head referring to “Valves and Cylinder Head Removal and Installation”.
3) Mark cylinder number on all pistons, connecting rods
and connecting rod caps using silver pencil or quick
drying paint.
4) Remove rod bearing caps.
5) Decarbonize top of cylinder bore before removing piston from cylinder.
6) Push piston and connecting rod assembly out through the top of cylinder bore.
Installation 1) Apply engine oil to pistons, rings, cylinder walls, connecting rod bearings and crank pins.
NOTE
Do not apply oil between connecting rod and
bearing or between bearing cap and bearing.

2) When installing piston and connecting rod assembly into cylinder bore, point front mark or arrow mark (1)
on piston head to crankshaft pulley side. 3) Install piston and connecting rod assembly into
cylinder bore. Use special tool (Piston ring
compressor) to compress rings. Guide connecting
rod into place on crankshaft.
Using a hammer handle, tap piston head to install
piston into bore. Hold ring compressor firmly against
cylinder block until all piston rings have entered
cylinder bore.
Special tool
(A): 09916–77310
4) Install bearing cap (1): Point arrow mark (2) on cap to crankshaft pulley
side.
After applying engine oil to bearing cap bolts and
tighten bolts gradually as follows.
a) Tighten all bolts to 15 N ⋅m (1.5 kgf-m, 11.0 lb-ft).
b) Retighten them to 45 °.
c) Repeat Step b) once again.
NOTE
Before installing bearing cap, make sure that
checking for bearing cap bolt deformation.
Refer to “Piston Pins and Connecting Rods
Inspection”.

Tightening torque
Connecting rod bearing cap bolt: 15 N ⋅m (1.5
kgf-m, 11.0 lb-ft) and then retighten by
turning through 45 ° twice
5) Install cylinder head referring to “Valves and Cylinder Head Removal and Installation”.
A: Crankshaft pulley side
B: Flywheel side
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Downloaded from www.Manualslib.com manuals search engine Engine Mechanical: 1D-46
Pistons, Piston Rings, Connecting Rods and
Cylinders Disassembly and Assembly
S7RS0B1406031
Disassembly1) Using piston ring expander, remove two compression rings (Top and 2nd) and oil ring from
piston.
2) Remove piston pin from connecting rod as follows. a) Ease out piston pin circlip (1), as shown.
b) Force piston pin out.
Assembly 1) Decarbonize piston head and ring grooves using a suitable tool.
2) Install piston pin to piston (1) and connecting rod (2): a) After applying engine oil to piston pin and piston pin holes in piston and connecting rod.
b) Fit connecting rod as shown in figure.
NOTE
Be sure to position front mark or arrow mark
(4) on piston and oil hole (5) of connecting
rod at specified position as shown in figure.

c) Insert piston pin to piston and connecting rod.
d) Install piston pin circlips (3).
NOTE
Circlip should be installed with its cut part
facing as shown in figure. Install so that
circlip end gap comes within such range as
indicated by arrow.

3) Install piston rings to piston:
• As indicated in the figure, 1st and 2nd rings have discrimination mark (4) respectively. When
installing these piston rings to piston, direct
marked side of each ring toward top of piston.
• 1st ring (1) differs from 2nd ring (2) in thickness, shape and color of surface contacting cylinder
wall.
Distinguish 1st ring from 2nd ring by referring to
the figure.
• When installing oil ring (3), install spacer first and then two rails.
4) After installing three rings (1st, 2nd and oil rings), distribute their end gaps as shown in figure.
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1. 1st ring end gap 3. Oil ring upper rail gap
2. 2nd ring end gap and oil ring spacer gap 4. Oil ring lower rail gap
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Downloaded from www.Manualslib.com manuals search engine Engine Mechanical: 1D-54
Main Bearings, Crankshaft and Cylinder Block
Removal and Installation
S7RS0B1406036
Removal1) Remove engine assembly from vehicle referring to “Engine Assembly Removal and Installation”.
2) Remove clutch cover, clut ch disc and flywheel (drive
plate for A/T) by using special tool.
Special tool
(A): 09924–17811
3) Remove piston and connecting rod referring to “Pistons, Piston Rings, Connecting Rods and
Cylinders Removal and Installation”.
4) Remove rear oil seal housing (1). 5) Loosen main bearing cap No.1 and No.2 bolts in
such order as indicated in figure and remove them.
6) Remove crankshaft from cylinder block.
7) Remove piston cooling valves and nozzles, if necessary.
“A”: When servicing CKP sensor, refer to “CMP Sensor Removal and Installation in Section 1C”. :25 N
⋅m (2.5 kgf-m, 18.0 lb-ft)
“B”: Upper half of bearing has an oil groove. : Do not reuse.
“C”: Apply sealant 99000-31250 to mating surface. : Apply engine oil to inside / sliding surface.
“D”: Make sure main bearing cap No.1 bolt deformation when reuse it due to plastic deformation tightening referring to “Main Bearings Inspection”.
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Downloaded from www.Manualslib.com manuals search engine 1D-57 Engine Mechanical:
11) Install flywheel (drive plate for A/T).Using special tool, lock flyw heel or drive plate, and
tighten flywheel or drive plate bolts to specified
torque.
NOTE
Use new flywheel or drive plate bolts.

Special tool
(A): 09924–17811
Tightening torque
Flywheel or drive plate bolt (a): 70 N·m (7.0 kgf-
m, 51.0 lb-ft)
12) Install piston and connecting rod referring to “Pistons, Piston Rings, Connecting Rods and
Cylinders Removal and Installation”.
13) Install cylinder head referring to “Valves and Cylinder Head Removal and Installation”.
14) Install camshafts, tappet and shim referring to “Camshaft, Tappet and Shim Removal and
Installation”.
15) Install timing chain referring to “Timing Chain and Chain Tensioner Removal and Installation”.
16) Install timing chain cover referring to “Timing Chain Cover Removal and Installation”.
17) Install cylinder head cover referring to “Cylinder Head Cover Removal and Installation”.
18) Install oil pan referring to “Oil Pan and Oil Pump
Strainer Removal and Installation in Section 1E”
19) Install engine assembly to vehicle referring to “Engine Assembly Removal and Installation”.
Crankshaft InspectionS7RS0B1406037
Crankshaft Runout
Using a dial gauge, measure runout at center journal.
Rotate crankshaft slowly. If runout exceeds its limit,
replace crankshaft.
Crankshaft runout
Limit: 0.02 mm (0.0008 in.)
Crankshaft Thrust Play
1) Measure this play with crankshaft set in cylinder block in the normal manner, that is with thrust
bearing (1) and journal bearing caps installed.
Thickness of crankshaft thrust bearing
Standard: 2.500 mm (0.0984 in.)
Oversize (0.125 mm (0.0049 in.)): 2.563 mm
(0.1009 in.)
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Downloaded from www.Manualslib.com manuals search engine 1E-8 Engine Lubrication System:
Oil Pump ComponentsS7RS0B1506007
Oil Pump Removal and InstallationS7RS0B1506008
Oil pump is incorporated with timing chain cover.
For removal and installation, refer to “Timing Chain
Cover Removal and Installation in Section 1D”.
Oil Pump Disassembly and ReassemblyS7RS0B1506009
Disassembly1) Remove rotor plate (1) by removing its mounting bolts. 2) Remove outer rotor (1) and inner rotor (2).
3) Remove relief valve (1), spring (2) and retainer (3) by
removing circlip (4).
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1. Rotor plate 6. Rotor plate bolt10. Circlip
2. O-ring 7. Relief valve : 11 N⋅m (1.1 kgf-mm 8.0 lb-ft)
3. Outer rotor 8. Spring : Do not reuse.
4. Inner rotor 9. Retainer : Apply thin coat of engine oil to sliding surface.
5. Timing chain cover 10. Circlip
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Downloaded from www.Manualslib.com manuals search engine Engine Lubrication System: 1E-9
Reassembly1) Wash, clean and then dry all disassembled parts.
2) Apply thin coat of engine oil to inner and outer rotors, oil seal lip portion, inside surfaces of oil pump case
and plate.
3) Install outer (1) and inner rotors (2) to oil pump case.
4) Apply engine oil to relief valve (1) and spring (2), and install them with retainer (3) and new circlip (4) to
rotor plate (5).
5) Install rotor plate and tighten all bolts to specified torque. After installing plate, check to be sure that
rotors turn smoothly by hand (0.3 N ⋅m (0.03 kgf-m,
0.25 lb-ft) torque or below).
Tightening torque
Oil pump rotor plate bolt (a): 11 N·m (1.1 kgf-m,
8.0 lb-ft)Oil Pump InspectionS7RS0B1506010
Oil Seal
Check oil seal lip for fault or other damage. Replace as
necessary.
Oil Pump
• Check outer (1) and inner rotors (2), rotor plate, and oil pump case for excessive wear or damage.
• Check relief valve (1) for excessive wear or damage
and operates smoothly.
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