ON-VEHICLE SERVICE
TSB Revision
ENGINE MECHANICAL <2.4L ENGINE>
11A-8
ON-VEHICLE SERVICE
DRIVE BELT TENSION CHECK
M1111003100485
CAUTION
Check the drive belt tension after turning the crankshaft
clockwise one turn or more.
1. Make sure that the indicator mark is within the area marked
with A in the illustration.
2. If the mark is out of the area, replace the drive belt. (Refer to
P.11A-27
).
NOTE: The drive belt tension adjustment is not necessary
as auto-tensioner is adopted.
AUTO-TENSIONER CHECK
M1111003000217
OPERATION CHECK
1. Turn OFF the engine from the idle state then check to see
that the drive belt is not protruding from the pulley width of
the auto-tensioner.
2. Remove the drive belt. (Refer to
P.11A-27
).
3. Securely insert the spindle handle or ratchet handle with a
12.7 mm (1/2-inch) insertion angle into the jig hole of the
auto tensioner. Turn the auto-tensioner to the left and right
to check and see that there is no threading.
4. If there are any problems in the procedure 1 or 3, replace
the auto-tensioner. (Refer to
P.11A-51
).
5. Install the drive belt. (Refer to
P.11A-27
).
FUNCTION CHECK
You can verify if the auto-tensioner is defective or not by check-
ing the drive belt tension.
.
When using scan tool MB991958
Required Special Tools:
• MB991668: Belt Tension Meter Set
• MB991958: Scan Tool (MUT-III Sub Assembly)
• MB991824: V.C.I.
• MB991910: MUT-III Main Harness A
1. Check the drive belt tension. (Refer to
P.11A-8
).
2. Measure the drive belt tension vibration frequency by the
following procedures:
AC301702AB
INDICATOR MARK
A
AC301703