Suzuki Grand Vitara JB416 / JB420 / JB419. Manual — part 166

1D-190 Engine Mechanical: For F9Q Engine

d) Insert oil jet into pushrod (1), and install pushrod

to plate (2) facing oil jet with center of cylinder.

e) Using hammer, tap pushrod until pushrod (1)

comes into contact with plate (2).

f) Remove special tools.

3) Using special tool, install main bearing to cylinder

block and bearing cap as follows.

NOTE
One of two halves of main bearing has oil
groove. Install main bearing with oil groove
to cylinder block, and the other one without
oil groove to bearing cap.

Special tool
(A): 09913–86510

a) Install special tool (A) to cylinder block (1).

b) Fit main bearing (1) in special tool (A) as shown

in figure, and then press bearing end “a” until it
becomes flush with cylinder block.

c) Install special tool (A) to bearing cap (1).

d) Fit main bearing (1) in special tool (A) as shown

in figure, and then press bearing end “a” until
becomes flush with main bearing cap.

[A]: Oil jet No.2 and No.4

[B]: Oil jet No.1 and No.3

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Engine Mechanical: For F9Q Engine 1D-191

4) Install oil fresh air vent pipe using special tool as

follows, if removed.

Special tool
(A): 09914–86510

a) Install jig (2) to cylinder block, and tighten bolt

(3).

NOTE
Be sure to use bolt (1) of M6 size and 1.0 mm
(0.039 in.) pitch.

b) Install oil return pipe (1) into pushrod (4).
c) Using hammer, tap pushrod comes into contact

jig.

d) Remove special tools.

5) Connect fresh air vent hose (1) to fresh air vent pipe

(2), if removed.

6) Install thrust bearings (1) to crankshaft journal No.2

facing its oil groove (2) to outside.

7) Apply engine oil to bearings and crankshaft.

NOTE
Do not apply oil between cylinder block and
bearing and between main bearing cap and
bearing.

8) Install crankshaft to cylinder block.
9) Install bearing cap seal (1) to main bearing cap No.1

(2) so that groove (3) of bearing cap seal faces
outwards.

NOTE
Grooves (4) of bearing cap are different with
depth, and two kinds of bearing cap seal with
different thickness are supplied. Install thick
seal in deep groove, and install thin seal in
shallow groove securely.

1. Pushrod

2. Jig

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4, (A)

1

3

2, (A)

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1

2

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1

2

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1D-192 Engine Mechanical: For F9Q Engine

10) Install main bearing caps in proper position mating

cylinder number marked in removal.

11) Tighten new main bearing cap bolts as follows.

a) Tighten main bearing cap bolts to 20 N

⋅m (2.0

kgf-m, 14.5 lb-ft) according to numerical order
(“1” through “10”) as shown in figure.

b) Retighten them by turning through 62

° in the

same manner as step a).

NOTE
After tightening bearing cap bolts, check to
be sure that crankshaft rotates smoothly.

Tightening torque
Crankshaft main bearing cap bolt (a):
Tighten 20 N

⋅m (2.0 kgf-m, 14.5 lb-ft) and 62°

by the specified procedure

12) Cut excess bearing cap seal that protrudes from

main bearing cap No.1.

13) Using special tool, install flywheel side crankshaft oil

seal as follows.

Special tool
(A): 09911–96530

a) Fit new oil seal (1) to special tool.
b) Install oil seal tapping special tool with a plastic

hammer.

14) Install piston and connecting rod referring to “Piston,

Piston Ring and Connecting Rod Removal and
Installation: For F9Q Engine”.

15) Install cylinder head referring to “Valve and Cylinder

Head Assembly Removal and Installation: For F9Q
Engine”.

16) Install heat exchanger with new gasket referring to

“Heat Exchanger Removal and Installation: For F9Q
Engine in Section 1E”, if removed.

17) Install oil pump, oil pump drive sprocket, oil pump

chain and gasket holder plate referring to “Oil Pump,
Oil Pump Chain and Gasket Holder Plate Removal
and Installation: For F9Q Engine in Section 1E”.

18) Install oil pan and oil pump strainer referring to “Oil

Pan and Oil Pump Strainer Removal and Installation:
For F9Q Engine in Section 1E”.

19) Install timing belt referring to “Timing Belt and Belt

Tensioner Removal and Installation: For F9Q
Engine”.

20) Install engine assembly to vehicle referring to

“Engine Assembly Removal and Installation: For
F9Q Engine”.

Crankshaft Inspection

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Thrust Bearing General Information
Service thrust bearing has 4 kinds of bearings differing in
tolerance.

Crankshaft Thrust Play

1) Install main bearings, thrust bearings, crankshaft

and bearing caps, and tighten main bearing cap
bolts referring to “Main Bearing, Crankshaft and
Cylinder Block Removal and Installation: For F9Q
Engine”.

Thickness of crankshaft thrust bearing
• 2.30 mm (0.0906 in.)
• 2.35 mm (0.0925 in.)
• 2.40 mm (0.0945 in.)
• 2.45 mm (0.0965 in.)

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Engine Mechanical: For F9Q Engine 1D-193

2) Use a dial gauge, to read displacement in axial

(thrust) direction of crankshaft.
If it is out of specification, replace new thrust bearing
and recheck.

Crankshaft thrust play
0.067 – 0.233 mm (0.00264 – 0.00917 in.)

Main Bearings Inspection

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General Information
• Upper half of bearing (1) has oil groove (2) as shown

in the figure.
Install this half with oil groove to cylinder block.

• Lower half of bearing does not have an oil groove.

Visual Inspection
Check bearings for pitting, scratches, wear or damage.
If any malcondition is found, replace both upper and
lower halves. Never replace either half without replacing
the other half.

Main Bearing Clearance

NOTE
Do not rotate crankshaft while gauging
plastic is installed.

Check clearance by using gauging plastic according to
the following procedure.

1) Remove bearing caps.
2) Clean bearings and main journals.
3) Place a piece of gauging plastic (1) the full width of

bearing (parallel to crankshaft) on journal, avoiding
oil hole.

4) Install main bearing caps referring to “Main Bearing,

Crankshaft and Cylinder Block Removal and
Installation: For F9Q Engine”.

5) Remove bearing caps and using scale (1) on

gauging plastic envelop (2), measure gauging plastic
width at its widest point. If clearance exceeds its
limit, replace bearing. Always replace both upper
and lower inserts as a unit.
A new main bearing may produce proper clearance.
If not, replace crankshaft and/or cylinder block.

Main bearing clearance
0.027 – 0.086 mm (0.00107 – 0.00338 in.)

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