Suzuki Grand Vitara JB416 / JB420. Manual - part 88

1D-20 Engine Mechanical: For M16A Engine with VVT

Installation

1) Clean sealing surface on timing chain cover, cylinder 

block and cylinder head.
Remove oil, old sealant and dust from sealing 
surface.

2) Install oil seal (1) to timing chain cover, if removed.

NOTE
When installing new oil seal, press fit to 
timing chain cover (2) by using special tool 
(bearing installer) as shown in the figure.

 

Drive in dimension
“a”: 1.5 mm (0.06 in.)

Special tool
(A):  09913–75810

3) Install oil control valve to timing chain cover referring 

to “Oil Control Valve Removal and Installation: For 
M16A Engine with VVT”.

4) Apply sealant “A” to mating surface of cylinder and 

cylinder head and “B” to mating surface of timing 
chain cover as shown in the figure.

“A”:  Water tight sealant 99000–31140 (SUZUKI 
Bond No.1207B) 
“B”:  Sealant 99000–31260 (SUZUKI Bond 
No.1217G) 

Sealant amount for timing chain cover
Width “a”: 3 mm (0.12 in.)
Height “b”: 2 mm (0.08 in.)

5) Apply engine oil to oil seal lip, then install timing 

chain cover (1). Tighten bolts and nut to specified 
torque.

NOTE
Before installing timing chain cover, check 
that pin is securely fitted.

 

Tightening torque
Timing chain cover bolt and nut (a):  25 N·m (2.5 
kgf-m, 18.0 lb-ft)

6) Apply engine oil to new O-rings and install them to 

water outlet pipe (2).

7) Install water outlet pipe (2) to timing chain cover (1).

8) Install new O-ring (1) to oil gallery pipes No.2 (2) and 

No.3 (3).

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Engine Mechanical: For M16A Engine with VVT 1D-21

9) Install oil gallery pipes No.2 and No.3 to cylinder 

head (4) and timing chain cover (5).
Tighten bolts to specified torque.

Tightening torque
Oil gallery pipe No.2 and No.3 bolt (a):  11 N·m (
1.1 kgf-m, 8.0 lb-ft)

10) Install water pump pulley.

11) Install oil pan referring to “Oil Pan and Oil Pump 

Strainer Removal and Installation: For M16A Engine 
with VVT in Section 1E”.

12) Install cylinder head cover referring to “Cylinder 

Head Cover Removal and Installation: For M16A 
Engine with VVT”.

13) Install crankshaft pulley (1). Tighten bolt (2) to 

specified torque. To lock crankshaft pulley, use 
special tool with it as shown in the figure.

Special tool
(A):  09917–68221

Tightening torque
Crankshaft pulley bolt (a):  150 N·m (15.0 kgf-m, 
108.5 lb-ft)

14) Install water pump and generator drive belt referring 

to “Water Pump and Generator Drive Belt Removal 
and Installation (For M16 Engine) in Section 1J”.

15) Install P/S pump and A/C compressor drive belt 

referring to “P/S Pump and A/C Compressor (If 
Equipped) Drive Belt Removal and Installation for 
M16 Engine Model in Section 6C”.

16) Install engine assembly to vehicle referring to 

“Engine Assembly Removal and Installation: For 
M16A Engine with VVT”.

Timing Chain Cover Inspection

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Oil Seal
Check oil seal lip for fault or other damage. Replace as 
necessary.

Timing Chain Cover
Inspect strainer (1) of oil passage for driving intake cam 
timing sprocket assembly (VVT actuator).
If clog or foreign matter exists, clean strainer.

Oil Control Valve Removal and Installation

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Removal

1) Drain engine oil referring to “Engine Oil and Filter 

Change in Section 0B”.

2) Remove P/S pump and A/C compressor drive belt 

referring to “P/S Pump and A/C Compressor (If 
Equipped) Drive Belt Removal and Installation for 
M16 Engine Model in Section 6C”.

3) With hose connected, detach P/S pump from its 

bracket referring to “P/S Pump Removal and 
Installation for M16 Engine Model in Section 6C”.

CAUTION

!

 

Suspend removed P/S pump at a place where 
no damage will be caused during removal 
and installation of engine assembly.

 

4) Remove P/S pump bracket.
5) Remove oil gallery pipe No.1 (1) and oil control valve 

(2) from timing chain cover (3).

(a)

(a)

1

2

3

4

5

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1D-22 Engine Mechanical: For M16A Engine with VVT

Installation

1) Install new O-ring (4) to oil control valve.
2) Install oil control valve to timing chain cover.

Tighten nuts to specification.

Tightening torque
Oil control valve mounting nut (a):  11 N·m (1.1 
kgf-m, 8.0 lb-ft)

3) Install oil gallery pipe No.1 with new copper washers 

(5) to timing chain cover.
Tighten bolts to specification.

Tightening torque
Oil gallery pipe No.1 bolt (b):  30 N·m (3.0 kgf-m, 
21.5 lb-ft)

4) Install P/S pump bracket.
5) Install P/S pump to its bracket referring to “P/S Pump 

Removal and Installation for M16 Engine Model in 
Section 6C”.

6) Install P/S pump and A/C compressor drive belt 

referring to “P/S Pump and A/C Compressor (If 
Equipped) Drive Belt Removal and Installation for 
M16 Engine Model in Section 6C”.

7) Adjust P/S pump and A/C compressor drive belt 

tension referring to “P/S Pump and A/C Compressor 
(If Equipped) Drive Belt Inspection and Adjustment 
for M16 Engine Model in Section 6C”.

8) Refill engine with engine oil referring to “Engine Oil 

and Filter Change in Section 0B”.

Oil Control Valve Inspection

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Oil Control Valve

1) Inspect strainer (1) and mating surface (2) of oil 

control valve for clog or damage. Clean oil control 
valve if clog or foreign matter is present on strainer 
or mating surface of oil control valve.
Replace oil control valve if its mating surface is 
damaged.

2) Check resistance between terminals of oil control 

valve.

Oil control valve resistance
6.7 – 7.7 

Ω (at 20 °C (68 °F))

Oil Gallery Pipe
Inspect oil gallery pipe No.1 (1), No.2 (2) and No.3 (3).
Replace if crack, deformation or clog exists.

1

5

(b)

3

(a)

2

4

5

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2

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3

2

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Engine Mechanical: For M16A Engine with VVT 1D-23

Timing Chain and Chain Tensioner Components

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Timing Chain and Chain Tensioner Removal 
and Installation

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Removal

CAUTION

!

 

After timing chain is removed, never turn 
crankshaft and camshafts independently 
more than its allowable turning range 
described in “Installation”.
If turned, interference may occur between 
piston and valves and valves themselves, 
and parts related to piston and valves may be 
damaged.

 

1) Remove timing chain cover referring to “Timing 

Chain Cover Removal and Installation: For M16A 
Engine with VVT”.

2) By turning crankshaft, align both intake and exhaust 

camshaft timing sprocket marks (1) with notches (2) 
of cylinder head respectively and align crankshaft 
sprocket key (3) with notch of cylinder block (4).

3) Remove timing chain tensioner adjuster assembly 

(5).

4) Remove timing chain tensioner (6).
5) Remove timing chain No.1 guide (7).

6) Remove timing chain (8) with crankshaft timing 

sprocket (9).

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1. Crankshaft timing sprocket

5. Timing chain tensioner adjuster assembly

: 25 N

⋅m (2.5 kgf-m, 18.0 lb-ft)

 2. Timing chain

: Apply engine oil.

6. Chain tensioner adjuster mounting bolt

: 11 N

⋅m (1.1 kgf-m, 8.0 lb-ft)

 3. Timing chain No.1 guide

: Apply engine oil to sliding surface.

7. Timing chain tensioner bolt

 4. Timing chain tensioner

: Apply engine oil to sliding surface.

8. Timing chain No.1 guide bolt

3

4

1

1

2

5

6

7

8

9

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