Mazda MX-6 1998, Workshop Manual, Page: 406 / 1282

MECHANICAL [FS]
W 6 U 1 1 0 W A 6
(3) If the valve clearance exceeds the standard,
replace the adjustment shim. (Refer to
01-1 OA VALVE CLEARANCE ADJUSTMENT
[FS].)
(4) Turn the crankshaft 360° clockwise so that the
No.4 piston is at TDC of the compression
stroke.
(5) Measure the valve clearance at B in the figure.
Standard [Engine cold]
0.225—0.295 mm {0.0089— 0.0116 in}
(6) If the valve clearance exceeds the standard,
replace the adjustment shim. (Refer to
0 1 -1 0A VALVE CLEARANCE ADJUSTMENT
[FS].)
4. Install the cylinder head cover. (Refer to 01-1 OA
CYLINDER HEAD GASKET REPLACEMENT
[FS], Cylinder Head Cover Installation Note.)
VALVE CLEARANCE ADJUSTMENT [FS]
Perform this same procedure for all camshafts
requiring valve clearance adjustment.
1. Turn the crankshaft clockwise so that the cams on
the camshaft requiring valve clearance adjustment
are positioned straight up.
2. Remove the camshaft cap bolts as necessary.
Remove only one pair of cap bolts at a time.
Install the cap bolts before removing the next pair.
• EX side No.1, 2, 3 cylinder adjustment shim
removal: A
• IN side No.1, 2, 3 cylinder adjustment shim
removal: B
• EX side No.2, 3, 4 cylinder adjustment shim
removal: C
• IN side No.2, 3, 4 cylinder adjustment shim
removal: D
W 6 U 1 1 0 W 0 4
IN
EX
W 6 U 1 1 0 W A A
Note
For EX side No.2, 3 cylinder adjustment shim
removal, remove bolts either A or C.
For IN side No.2, 3 cylinder adjustment shim
removal, remove bolts either B or D.
6. Face the SST (body) outside of the cylinder head,
and mount it on the SST (shaft) at the point of the
adjustment shim to be replaced.
3. Install the SSTs on the camshaft using the
camshaft cap bolt holes.
Tightening torque
11.3— 14.2 N m
{115— 145 Kgf'cm, 100— 125 in lb f}
0 1 -1 0 A -3
49 T012 002
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4. Align the marks on the SSTs (shaft and shaft
clamp).
5. Tighten bolts A to secure the SST (shaft).
49 T012 003
MARKS
mam
W 6 U 1 1 0 W A B