a. 1/4 tooth
b. Correct
1. Timing chain roller
2. Camshaft sprocket
EAS2S31035
CHECKING THE CAMSHAFT GEARS
1. Check:
• Intake camshaft gear (front cylinders)
• Intake camshaft gear (rear cylinders)
Damage/wear → Replace the camshaft
gears as a set.
EAS23980
CHECKING THE DECOMPRESSION SYSTEM
1. Check:
• Decompression system
TIP
• Check that the decompression pin "1" projects
from the camshaft.
• Check that the decompression cam "2" and de-
compression pin "1" moves smoothly.
EAS23950
CHECKING THE TIMING CHAIN GUIDES
The following procedure applies to both of the
timing chain guides.
1. Check:
• Timing chain guide
Damage/wear → Replace.
EAS23960
CHECKING THE TIMING CHAIN
TENSIONERS
The following procedure applies to both of the
timing chain tensioners.
1. Disassemble:
• Timing chain tensioner
TIP
Squeeze timing chain tensioner clip 2 "5", and
then remove the timing chain tensioner spring
and timing chain tensioner rod.
1
1. Timing chain tensioner rod
2. Timing chain tensioner spring seat
3. Timing chain tensioner spring
4. Timing chain tensioner clip 1
5. Timing chain tensioner clip 2
6. Timing chain tensioner housing
2. Check:
• Timing chain tensioner housing
• Timing chain tensioner rod
• Timing chain tensioner spring seat
• Timing chain tensioner spring
1
• Timing chain tensioner clips
Damage/wear → Replace the timing chain
tensioner.
3. Assemble:
• Timing chain tensioner
2
TIP
Prior to installing the timing chain tensioner rod,
drain the engine oil from the timing chain ten-
sioner housing.
M
MMM
a. Install the timing chain tensioner clip 2 "1" and
clip 1 "2".
TIP
Be sure to face the ends of timing chain tension-
er clip 2 "1" in the direction shown in the illustra-
tion and to fit timing chain tensioner clip 1 "2" in
the groove "a" in the timing chain tensioner
housing.
5-16
CAMSHAFTS
2
3
4
M MMM
M
M MMM
M
M MMM
M
M MMM
6
5
M
M MMM
M
MMM