Ignition Timing Check - Mitsubishi 4G6 Manual

11B-6
A
Crankshaft
pulley
B
ENGINE <6A1> -
POWER STEERING OIL PUMP AND AIR CONDITIONER
Power steering
COMPRESSOR DRIVE BELT TENSION CHECK AND
oil pump pulley
ADJUSTMENT
1. Use a belt tension gauge to check that the belt tension
A/C compressor
pulley
2. If the tension or deflection is outside the standard value,

IGNITION TIMING CHECK

1. Before inspection, set the vehicle to the pre-inspection
2. Connect the MUT-II to the diagnosis connector.
3. Set up a timing light.
4. Start the engine and run at idle.
5. Check that engine idle speed is within the standard value.
6. Select No.17 of the MUT-II Actuator test.
7. Check that basic ignition timing is within the standard
8. If the basic ignition timing is outside the standard value,
On-vehicle Service
is at the standard value at a point half-way between the
two pulleys (indicated by an arrow in the illustration).
In addition, press this section with a force of 98 N and
check that the amount of belt deflection is at the standard
value.
Standard value:
Items When
checked
Tension N 490 - 686
Deflection 11.0 - 15.0
(Reference
value) mm
adjust by the following procedure.
(1) Loosen tensioner pulley fixing nut A.
(2) Adjust the amount of belt deflection using adjusting
bolt B.
(3) Tighten fixing nut A.
Tightening torque: 49 Nm
(4) Check the belt deflection amount and tension, and
readjust if necessary.
Caution
Check after turning the crankshaft once or more
clockwise (right turn).
condition.
Standard value: 650 ± 100 r/min
value.
Standard value: 5_ BTDC±3_
inspect the MPI system while referring to GROUP 13A
- Troubleshooting.
11100130134
When a When a new
used belt is belt is
installed installed
539 - 637 784 - 980
12.0 - 14.0 8.0 - 12.0
11100170280