2003 HONDA CIVIC exhaust

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Page 120 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Installation:
1. Install the VTC actuator and exhaust camshaft
sprocket.
2. Apply engine oil to the th reads of the VTC actuato r
mounting bolt and exhaust camshaft mounting bolt,
then install them.
3

Page 122 of 1139

HONDA CIVIC 2003 7.G Workshop Manual NOTE:
Rocker Arms and Shafts Disassembly/Reassembly
ldentify parts as they are removed to ensure reinstallation in original location.
Inspect the rocker shafts and rocker arms (see page 6-28).
The roc

Page 123 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Cylinder Head
1.
2.
Rocker Arms and Shafts Inspection
Remove the rocker arm assembly (see page 6-26).
Measure the diameter of the shaft at the first rocker
location.
3. Zero the gauge (A) to the shaft

Page 125 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Cylinder Head
Camshaft Inspection (contdl
1.
9.
Unscrew the camshaft holder bolts two turns at a
time, in a crisscross pattern. Then remove the
camshaft holders from the cylinder head.
Lift the camsh

Page 127 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Gylinder Head
Valve Inspection
1.Remove the valves (see page 6-31),
Measure the valve in these areas.
lntake Valve Dimensions
A Standard lNewl: 34.85 35.15 mm
B Standard {Newl:
C Standard lNew):
C Ser

Page 129 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Cylinder Head
Valve Guide Replacement (contdl
Apply a thin coat of clean engine oil to the outside
of the new valve guide. Install the guide from the
camshaft side of the head; use the special tool t

Page 130 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Valve Seat Reconditioning
1. Inspect valve stem-to-guide clearance (see page 6-
32). lf the valve guides are worn, replace them (see
page 6-33) before cutting the valve seats.
2. Renew the valve seats

Page 131 of 1139

HONDA CIVIC 2003 7.G Workshop Manual Cylinder Head
8.
Valve Seat Reconditioning (contdl
Insen the intake and exhaust valves in the head,
and measure valve stem installed height (A).
Intake Valve Stem Installed Height:
Standard {New):40.