Subsection 09 (TIMING CHAIN)
CAUTION
Tensioner is spring loaded.
3. Remove:
– O-ring
– Spring
– Chain tensioner plunger.
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1. Chain tensioner screw plug
2. O-ring
3. Spring
4. Chain tensioner plunger
4. Remove:
– Chain tensioner housing retaining screws
– Chain tensioner housing
– O-ring.
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1. Screws
2. Chain tensioner housing
3. O-ring
Inspecting the Timing Chain Tensioner
Check chain tensioner housing and screw plug for
cracks or other damages. Replace if necessary.
Check chain tensioner plunger for freedom of
movement and/or scoring.
Ensure O-rings are not brittle, cracked or hard. Re-
place if necessary.
Check spring condition. Replace if bent, broken or
worn.
Installing the Timing Chain Tensioner
Reverse the removal procedure. However, pay at-
tention to the following.
NOTE:
Before installing the chain tensioner, make
sure the camshaft timing gear can be moved back
and forth.
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MOVE GEAR BACK AND FORTH
1. Apply engine oil on the chain tensioner plunger
before installation.
2. Slightly turn the camshaft timing gear in order
to move the timing chain excess play to the ten-
sioner side.
3. Slightly screw in the plunger until the timing
chain does not allow back and forth movement
of the camshaft timing gear.
4. Screw the plunger in an additional 1/8 turn to
obtain the required specified torque.
TIMING CHAIN TENSIONER ADJUSTMENT
(TIGHTENING TORQUE)
0.1 N•m (.9 lbf•
in
)
NOTICE
Improper adjustment of the timing
chain will lead to severe engine damage.
5. Place the O-ring on chain tensioner screw plug.
6. Fit the spring on one side into the slot of the
chain tensioner screw plug.
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