2004 MITSUBISHI ENDEAVOR heating

Use these steps to plan your diagnostic strategy. If you follow them carefully, you
will be sure to find most of the engine cooling faults.
1. Gather information from the customer.
2. Verify that the condition described by the customer exists.
3. Find and repair the malfunction by following the SYMPTOM CHART.
4. Verify that the malfunction is eliminated. SYMPTOM CHART SYMPTOM INSPECTION PROCEDURE CHART SYMPTOM PROCEDURES INSPECTION PROCEDURE 1: Coolant Leak DIAGNOSIS
STEP 1. Check for coolant leaks
.
SYMPTOM
INSPECTION
PROCEDURE
REFERENCE PAGE
Coolant Leak
1
INSPECTION PROCEDURE 1:
Coolant Leak
Engine Overheating
2
INSPECTION PROCEDURE 2:
Engine Overheating
Radiator Fan and
Condenser Fan do not
Operate
3
INSPECTION PROCEDURE 3:
RADIATOR FAN AND
CONDENSER FAN DO NOT
OPERATE
Radiator Fan and
Condenser Fan do not
Change Speed or Stop
4
INSPECTION PROCEDURE 4:
RADIATOR FAN AND
CONDENSER FAN DO NOT CHANGE SPEED OR STOP
Radiator Fan does not
Operate
5
INSPECTION PROCEDURE 5: Radiator Fan does not Operate
Condenser Fan does
not Operate
6
INSPECTION PROCEDURE 6: Condenser Fan does not Operate

2004 Mitsubishi Endeavor Limited 2004 ENGINE Engine Cooling - Endeavor

Fig. 3: Checking For Leakage From Radiator Hose Or Connections

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is leakage present from the radiator hose or connections?
YES: Repair or replace the appropriate part, then go to Step 2.
NO: There is no action to be taken.
STEP 2. Retest the system.
Q: It there still coolant leakage?
YES: Return to Step 1 .
NO: The procedure is complete.
INSPECTION PROCEDURE 2: Engine Overheating
2004 Mitsubishi Endeavor Limited 2004 ENGINE Engine Cooling - Endeavor

link). If a terminal is not sufficiently tight or if the harness has become
discolored due to overheating, repair and then test again.
12. After the test, run the engine at idle.
13. Turn off all lights and turn the ignition switch to the LOCK (OFF) position.
14. Disconnect the negative battery cable.
15. Disconnect the ammeter and voltmeter.
16. Connect the negative battery cable.
17. Run engine for 10 minutes at an idle.
OUTPUT CURRENT TEST Required special tool: MB991958: Scan Tool MUT-III Sub Assembly, MB991824:
V.C.I., MB991827 MUT-III USB Cable, MB5991910: MUT-III Main Harness A.
This test determines whether the generator outputs normal current. For best results,
use a char
ging system tester. If not available, follow the ste
ps below. See Fig. 4
.

2004 Mitsubishi Endeavor Limited
2004 STARTING & CHARGING SYSTEMS Generators & Regulators - Endeavor

1. Heat the piston approximately 70°C (158°F) and pull out the piston pin.
Fig. 114: Removing Piston Pin

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
INSTALLATION SERVICE POINTS >>A<< PISTON PIN INSTALLATION 1. When replacing the piston, note the cylinder bore size mark on the cylinder
block as illustrated, and select a
piston accordin
g to the followin
g table.
Use care since the piston is hot after heating.

2004 Mitsubishi Endeavor Limited 2004 ENGINE Engine Overhaul - Endeavor

Fig. 116: Identifying Piston Pin Size Chart

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2. Heat the piston to approximately 70°C (158°F).
NOTE: The piston size mark shows on the top of the piston.
CAUTION: Appl
y ample coat of en
gine oil to the peripher
y of
the piston pin and the hole of the connecting rod
small end. The clearance between the piston and
the piston pin is a tight fit at room temperature.
Therefore, be sure to heat the piston before
inserting the piston pin. Use care since the
piston is hot after heating.

2004 Mitsubishi Endeavor Limited 2004 ENGINE Engine Overhaul - Endeavor

Fig. 117: Heating Piston

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
3. With the front mark of the connecting rod and that of the piston located on the
same side, insert the
piston
pin.

2004 Mitsubishi Endeavor Limited 2004 ENGINE Engine Overhaul - Endeavor