1984-Montero · engine 2'6 a · страница 14 из 53 · Открыть оригинал PDF ↗
RETORQUING OF CYLINDER HEAD BOLTS
I. When cylinder head bolts are retorqued, first slightly
loosen and then tighten to specified torque.
2. Be sure to follow the specified torquing isequence.
(5EN016)
3. After cylinder head bolts have been tightened to specified
torque, run engine untii”n0rnx-J operating tem:perature is
reached, allow it to cool down, and then retorque bolts to
specification for best results.
Tightening torque .
Cylinder head bolt (No. 1 to 10)
. Cold engine . . . . . . . . . . 89-98 Nm (65-72 ft.lbs.)
Hot enging . . . . . . . .!. . 98- 107 Nm (73-79 ft.lbs:)
Cylinder head bolt (No. 11) . . . . -. . . . . . . 15:‘) 1 Nm
(1 1-15 ftlbs.)
SILENT SHAFT DRIVE’ CHAIN TENSION’ ADJUST-
MENT PROCEDURE _:
When a loose silent shaft drive chain is suspected 4s the proba-
ble cause of abnormal noise, the tension must be readjusted.
Tension of silent shaft drive chain can be adjusted without
removing timing chain cover as follows:
1. Remove cover from access hole provided a t center of
chain case (under water pump).
2. Loosen special bolt “B”. 1
3. Using your finger push projection on chain guide “B”
in direction of arrow. Do not push projection with a
screwdriver or other tool. Improperly chain tension
will cause abnormal noise. (5EN007)
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