Acura CSX. Instruction — page 48

*02

03

01

02

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K20Z3 engine

6-44

6-44

Cylinder Head

A

C

B

A

B

A

A

A

4. Remove cam chain guide B, the camshaft holders

(A), and the camshafts (C).

5. Insert the bolts (A) into the rocker shaft holder, then

remove the rocker arm assembly (B).

1. Remove the cam chain (see page 6-18).

2. Loosen the rocker arm adjusting screws (A).

3. Remove the camshaft holder bolts. To prevent

damaging the camshafts, loosen the bolts, in
sequence, two turns at a time in a crisscross
pattern.

NOTE: Bolt

is not on all engines.

*01

03

6-45

C

A

B

A

A

B

4. Remove cam chain guide B, the camshaft holders

(A), and the camshafts (C).

5. Insert the bolts (A) into the rocker shaft holder, then

remove the rocker arm assembly (B).

01

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K20Z2 engine

6-46

Cylinder Head

Rocker Arm and Shaft Disassembly/Reassembly

EXHAUST ROCKER
SHAFT

EXHAUST ROCKER ARM

No. 1
ROCKER SHAFT
HOLDER

RUBBER BAND

No. 2
ROCKER SHAFT
HOLDER

No. 3
ROCKER SHAFT
HOLDER

No. 4
ROCKER SHAFT
HOLDER

INTAKE ROCKER
ARM ASSEMBLY

No. 5
ROCKER SHAFT
HOLDER

INTAKE ROCKER SHAFT

NOTE:

• Identify each part as it is removed so that each item can be reinstalled in its original position.
• Inspect the rocker shafts and the rocker arms (see page 6-48).
• If reused, the rocker arms must be installed in the same positions.
• When removing, or installing the rocker arm assembly, do not remove the camshaft holder bolts. The bolts will keep

the holders and rocker arms on the shaft.

• Prior to reassembling, clean all the parts in solvent, dry them, and apply new engine oil to any contact points.
• Bundle the intake rocker arms with rubber bands to keep them together as a set.
• When replacing the intake rocker arm assembly, remove the fastening hardware from the new intake rocker arm

assembly.

01

SNR9AEBA14666351511MFAT00

K20Z3 engine

6-47

EXHAUST ROCKER
SHAFT

EXHAUST ROCKER
ARM ASSEMBLY

No. 1
ROCKER SHAFT
HOLDER

RUBBER BAND

No. 2
ROCKER SHAFT
HOLDER

No. 3
ROCKER SHAFT
HOLDER

No. 4
ROCKER SHAFT
HOLDER

INTAKE ROCKER
ARM ASSEMBLY

No. 5
ROCKER SHAFT
HOLDER

INTAKE ROCKER SHAFT

RUBBER BAND

NOTE:

• Identify each part as it is removed so that each item can be reinstalled in its original position.
• Inspect the rocker shafts and the rocker arms (see page 6-49).
• If reused, the rocker arms must be installed in the same positions.
• When removing, or installing the rocker arm assembly, do not remove the camshaft holder bolts. The bolts will keep

the holders and rocker arms on the shaft.

• Prior to reassembling, clean all the parts in solvent, dry them, and apply new engine oil to any contact points.
• Bundle the rocker arms with rubber bands to keep them together as a set.
• When replacing the VTEC rocker arm assembly, remove the fastening hardware from the new VTEC rocker arm

assembly.

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