Mazda 6 2002 Workshop Manual page 47

16. Loosen the timing chain.
(1) Using a suitable screwdriver or equivalent
tool, unlock the chain tensioner ratchet.
(2) Turn the ehaust camshaft clockwise using a
suitable wrench on the cast heagon and
loosen the timing chain.
(3) Placing the suitable bolt (M6 X 1.0 length
25mm—35mm {0.99in—1.37in}) at the
engine front cover upper blind plug, secure
the chain guide at the position where the
tension is released.
17. Hold the ehaust camshaft using a suitable
wrench on the cast heagon as shown.
18. Remove the ehaust camshaft sprocket.
19. Loosen the camshaft cap bolts in several passes
in the order shown.
Note
• The cylinder head and the camshaft caps
are numbered to make sure they are
reassembled in their original position. When
removed, keep the caps with the cylinder
head they were removed from. Do not mi
the caps.
20. Remove the camshaft.
21. Remove the tappet.
22. Select proper adjustment shim.
B–6
VALVE CLEARANCE
AME2212W005
AME2212W006
AME2212W007
AME2212W008