Acura CSX. Instruction — page 40

07

01

SNR9AEBA14680200000MBAT01

Special Tools Required

K20Z3 engine

6-14

6-14

Cylinder Head

B

A

C

11. Rotate the crankshaft 180 ° clockwise (camshaft

pulley turns 90 °).

12. Check and, if necessary, adjust the valve clearance

on the No. 2 cylinder.

13. Install the cylinder head cover (see page 6-37).

• Locknut wrench 07MAA-PR70120
• Adjuster 07MAA-PR70110

NOTE: Connect the Honda Diagnostic System (HDS) to
the data link connector (DLC) (see step 2 on page 11-3),
and monitor the engine coolant temperature (ECT)
sensor 1 with the HDS. Adjust the valve clearance only
when the engine coolant temperature is less than 38 °C
(100 °F).

1. Remove the cylinder head cover (see page 6-36).

2. Set the No. 1 piston at top dead center (TDC). The

punch mark (A) on the variable valve timing control
(VTC) actuator and the punch mark (B) on the
exhaust camshaft sprocket should be at the top.
Align the TDC marks (C) on the VTC actuator and
the exhaust camshaft sprocket.

02

03

04

05

Valve Clearance
Intake:

0.21

0.25 mm (0.008

0.010 in.)

Exhaust:

0.25

0.29 mm (0.010

0.011 in.)

Specified Torque
7 x 0.75 mm
20 N·m (2.0 kgf·m, 14 lbf·ft)
Apply new engine oil to the nut threads.

6-15

No. 1

No. 2

No. 3

No. 4

No. 1

No. 2

No. 3

No. 4

EXHAUST

INTAKE

A

B

07MAA-PR70110

07MAA-PR70120

3. Select the correct feeler gauge for the valve

clearance you are going to check.

4. Insert the feeler gauge (A) between the adjusting

screw (B) and the end of the valve stem, then slide
it back and forth, you should feel a slight amount of
drag.

5. If you feel too much or too little drag, loosen the

locknut with the locknut wrench and the adjuster,
and turn the adjusting screw until the drag on the
feeler gauge is correct.

6. Tighten the locknut to specified torque, and recheck

the clearance. Repeat the adjustment if necessary.

7. Rotate the crankshaft 180 ° clockwise (camshaft

pulley turns 90 °).

8. Check and, if necessary, adjust the valve clearance

on the No. 3 cylinder.

06

07

01

SNR9A00A18316617531KDAT00

Special Tools Required

Removal

6-16

6-16

Cylinder Head

Crankshaft Pulley Removal and
Installation

A
07JAB-001020A

B
07NAB-001040A

C
07JAA-001020A
(or commercially
available)

9. Rotate the crankshaft 180 ° clockwise (camshaft

pulley turns 90 °).

10. Check and, if necessary, adjust the valve clearance

on the No. 4 cylinder.

11. Rotate the crankshaft 180 ° clockwise (camshaft

pulley turns 90 °).

12. Check and, if necessary, adjust the valve clearance

on the No. 2 cylinder.

13. Install the cylinder head cover (see page 6-37).

• Holder handle 07JAB-001020A
• Holder Attachment, 50 mm 07NAB-001040A
• Socket, 19 mm 07JAA-001020A or a commercially

available 19 mm socket

1. Remove the right front wheels.

2. Remove the splash shield (see step 25 on page 5-5).

3. Remove the drive belt (see page 4-31).

4. Hold the crankshaft pulley with holder handle (A)

and holder attachment (B).

5. Remove the bolt with a socket, 19 mm (C) and a

breaker bar, then remove the crankshaft pulley.

06

07

01

SNR9A00A18316617531KDAT00

Special Tools Required

Removal

6-16

6-16

Cylinder Head

Crankshaft Pulley Removal and
Installation

A
07JAB-001020A

B
07NAB-001040A

C
07JAA-001020A
(or commercially
available)

9. Rotate the crankshaft 180 ° clockwise (camshaft

pulley turns 90 °).

10. Check and, if necessary, adjust the valve clearance

on the No. 4 cylinder.

11. Rotate the crankshaft 180 ° clockwise (camshaft

pulley turns 90 °).

12. Check and, if necessary, adjust the valve clearance

on the No. 2 cylinder.

13. Install the cylinder head cover (see page 6-37).

• Holder handle 07JAB-001020A
• Holder Attachment, 50 mm 07NAB-001040A
• Socket, 19 mm 07JAA-001020A or a commercially

available 19 mm socket

1. Remove the right front wheels.

2. Remove the splash shield (see step 25 on page 5-5).

3. Remove the drive belt (see page 4-31).

4. Hold the crankshaft pulley with holder handle (A)

and holder attachment (B).

5. Remove the bolt with a socket, 19 mm (C) and a

breaker bar, then remove the crankshaft pulley.

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