Vtg Actuator Inspection - Honda EP3 Service Manual

Cylinder Head
WEC Rocker Arms Test (cont'dl
'10.
Loosen the valve on the regulator, and apply the
specified air pressure.
Specified air pressure:
290 kPa 13.0 kgt/cm', 42 psi)
NOTE: lf the synchronizing piston does not move
after applying air pressure; move the primary or
secondary rocker arm up and down manually by
rotating the crankshaft clockwise.
1 1 . W i t h t h e s p e c i f i e d a i r p r e s s u r e a p p l i e d , m o v e t h e
i n t a k e p r i m a r y r o c k e r a r m ( A ) f o r t h e N o , 1 c y l i n d e r .
The primary rocker arm and secondary rocker arm
( B ) s h o u l d m o v e t o g e t h e r .
lf the intake secondary rocker arm does not move,
remove the primary and secondary rocker arms as
an assembly, and check that the pistons in the
primary and secondary rocker arms move
smoothly. lf any rocker arm needs replacing,
replace the primary and secondary rocker arms as
an assembly, and test.
Remove the special tools.
Tighten the camshaft holder mounting bolts lo
22N m 12.2 kgf.m, 16 lbf.ft).
T i g h t e n t h e s e a l i n g b o l t t o 2 0 N . m ( 2 . 0 k g f . m ,
14 tbf.ft).
I n s t a l l t h e c y l i n d e r h e a d c o v e r ( s e e p a g e 6 - 4 1 ) .
1 2 .
1 3 .
1 4 .
t 5 .
6-8
VTG Actuator Inspection
'11.
Remove the cylinder head cover (see page 6-22lr.
2. Remove the auto-tensioner (see page 6-19).
3. Loosen the rocker arm adjusting screws lsee step 2
on page 6-26).
4. Remove the camshaft holder (see step 3 on page 6-
26t.
5. Remove the intake camshaft.
6, Check that the variable valve timing control (VTC)
actuator is locked by turning the VTC actuator
clockwise and counterclockwise. lf the VTC actuator
is not locked, replace the VTC actuator.
7 . S e a l t h e a d v a n c e h o l e s ( A ) a n d r e t a r d h o l e s ( B ) i n
the No. 1 camshaft journal with tape.
Punch a hole through the tape over one of the
advance holes.