On-Vehicle Service; Drive Belt Tension Check; Auto-Tensioner Check - Mitsubishi Electric Lancer Evolution-VII Workshop Manual

ENGINE -
A
Indicator
marking

On-vehicle Service

ON-VEHICLE SERVICE

DRIVE BELT TENSION CHECK

1. Check that the indicator marking of the auto-tensioner
is within the range as shown in the illustration A of the
tensioner bracket.
Caution
Inspection must be carried out after turning the
crankshaft clockwise for more than once.
2. If the marking is outside the range as shown in the
illustration A, replace the drive belt.
NOTE
Due to the adoption of the auto-tensioner, no adjustment
for belt tension is required.

AUTO-TENSIONER CHECK

1. Check that the driver belt stays within the width of the
pulley of the auto-tensioner after turning off the engine
at idle.
2. Remove the drive belt.(Refer to P.11C-15.)
3. Use the 12.7sq. spinner handle and etc. to check that
the auto-tensioner is not stuck by turning it in both
directions.
4. If there is any abnormality in the above - mentioned 1
or 3, replace the auto-tensioner.
5. Install the drive belt.(Refer to P.11C-15.)
<Reference>
To determine whether the auto-tensioner is acceptable can
be done by checking the drive belt tension.
1. Use the following procedure to check the drive belt tension.
<When using MUT-II>
(1) Connect the special tool (MB991668) to the MUT-II.
(2) Connect the MUT-II to the diagnosis connector.
Caution
Connection and disconnection of the MUT-II must
be carried out after turning the ignition switch
to the "LOCK" (OFF) position.
(3) Turn the ignition switch to the "ON" position and select
"Belt Tension Measurement" from the menu screen.
11A-7