Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Mitsubishi Eclipse & Spyder 2000-2006 Approved Mitsubishi Eclipse & Spyder 2003-2005 GR00001700-15
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15-1
GROUP 15
CONTENTS
GENERAL DESCRIPTION. . . . . . . . . 15-2 INTAKE MANIFOLD 2.4L . . . . . . . . . . 15-12
REMOVAL AND INSTALLATION . . . . . . . . 15-12
INTAKE AND EXHAUST DIAGNOSIS 15-2 INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 15-14
INTRODUCTION. . . . . . . . . . . . . . . . . . . . . 15-2
TROUBLESHOOTING STRATEGY . . . . . . 15-2 INTAKE MANIFOLD 3.0L . . . . . . . . . . 15-15
SYMPTOM CHART. . . . . . . . . . . . . . . . . . . 15-2 REMOVAL AND INSTALLATION . . . . . . . . 15-15
SYMPTOM PROCEDURES . . . . . . . . . . . . 15-2 INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 15-17
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . 15-2
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . 15-3 EXHAUST MANIFOLD 2.4L . . . . . . . . 15-17
REMOVAL AND INSTALLATION . . . . . . . . 15-17
SPECIAL TOOL . . . . . . . . . . . . . . . . . 15-3 INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 15-18
ON-VEHICLE SERVICE. . . . . . . . . . . 15-4 EXHAUST MANIFOLD 3.0L . . . . . . . . 15-19
VARIABLE INDUCTION CONTROL (VIC) SYSTEM REMOVAL AND INSTALLATION . . . . . . . . 15-19
CHECK <3.0L ENGINE - with VARIABLE INDUCTION INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 15-20
CONTROL (VIC) system>. . . . . . . . . . . . . . 15-4
VARIABLE INDUCTION CONTROL (VIC) SOLENOID EXHAUST PIPE, MAIN MUFFLER AND
CHECK <3.0L ENGINE - with VARIABLE INDUCTION
CONTROL system> . . . . . . . . . . . . . . . . . . 15-4
CATALYTIC CONVERTER2.4L . . . . . 15-21
VACUUM TANK CHECK <3.0L ENGINE - with REMOVAL AND INSTALLATION . . . . . . . . 15-21
VARIABLE INDUCTION CONTROL system>
...................................... 15-5 EXHAUST PIPE, MAIN MUFFLER AND
CATALYTIC CONVERTER3.0L . . . . . 15-22
AIR CLEANER . . . . . . . . . . . . . . . . . . 15-6 REMOVAL AND INSTALLATION . . . . . . . . 15-22
REMOVAL AND INSTALLATION . . . . . . . . 15-6
SPECIFICATIONS . . . . . . . . . . . . . . . 15-24
INTAKE MANIFOLD PLENUM . . . . . 15-7 FASTENER TIGHTENING SPECIFICATIONS
REMOVAL AND INSTALLATION . . . . . . . . 15-7 ...................................... 15-24
SERVICE SPECIFICATION . . . . . . . . . . . . 15-26
15-2 INTAKE AND EXHAUST
GENERAL DESCRIPTION
.
GENERAL DESCRIPTION
M1151000100242
The exhaust pipe is divided into five <3.0L Engine>
or four <2.4L Engine> parts.
INTAKE AND EXHAUST DIAGNOSIS
INTRODUCTION
M1151006900202
The occurrence of exhaust leakage or abnormal
noise is caused by cracks or strain in the gasket, or
by when the exhaust pipe or muffler is damaged due
to impacts during travel. The exhaust leaks from
these sections and causes the exhaust noise to
increase. There may be cases when there is interfer-
ence with the body and vibration noise is generated.
TROUBLESHOOTING STRATEGY
M1151007000202
Use these steps to plan your diagnostic strategy. If 2. Verify that the condition described by the
you follow them carefully, you will be sure that you customer exists.
have exhausted most of the possible ways to find an 3. Find the malfunction by following the SYMPTOM
intake or exhaust fault. CHART.
1. Gather information from the customer. 4. Verify malfunction is eliminated.
SYMPTOM CHART
M1151007100191
SYMPTOMS INSPECTION PROCEDURE REFERENCE PAGE
Exhaust Leakage 1 P.15-2
Abnormal Noise 2 P.15-3
SYMPTOM PROCEDURES
INSPECTION PROCEDURE 1: Exhaust Leakage
.
DIAGNOSIS STEP 2. Check the gasket for cracks, damage.
Q: Is the gasket damaged?
STEP 1. Start the engine. Have an assistant stay YES : Replace the gasket, then go Step 1.
in the driver's seat. Raise the vehicle on a hoist. NO : Go to Step 3.
Have the assistant rev the engine while
searching for exhaust leaks. STEP 3. Check for loosening in each coupling
Q: Is the exhaust leaking? section.
YES : Go to Step 2.
Q: Is there any loosening in each section?
NO : This diagnosis is complete. YES : Tighten, then go to Step 1.
NO : There is no action to be taken.
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INTAKE AND EXHAUST
SPECIAL TOOL
15-3
INSPECTION PROCEDURE 2: Abnormal Noise
.
DIAGNOSIS STEP 4. Check for interference of the pipes and
muffler with the body.
STEP 1. Start the engine. Have an assistant stay Q: Are the pipes and muffler interfering with the
in the driver's seat. Raise the vehicle on a hoist. body?
Have the assistant rev the engine while YES : Repair, then go to Step 1.
searching for exhaust leaks. NO : Go to Step 5.
Q: Is any abnormal noise generated?
YES : Go to Step 2. STEP 5. Check the heat protectors.
NO : This diagnosis is complete.
Q: Are any heat protectors loose or damaged?
YES : Tighten or replace, then go to Step 1.
STEP 2. Check for missing parts in the muffler. NO : Go to Step 6.
Tap the muffler lightly to check for loose baffles,
etc. STEP 6. Check the pipes, catalytic converters
Q: Are there any missing parts in the muffler? and muffler for damage.
YES : Replace, then go to Step 1.
Q: Are the pipes, catalytic converters and muffler
NO : Go to Step 3.
damaged?
YES : Replace, then go to Step 1.
STEP 3. Check the hanger for cracks. (For the removal of the catalytic converter,
refer to GROUP 17 P.17-113.)
Q: Is the hanger cracked? NO : There is no action to be taken.
YES : Replace, then go to Step 1.
NO : Go to Step 4.
SPECIAL TOOL
M1151000600214
TOOL TOOL NUMBER AND SUPERSESSION APPLICATION
NAME
MD998770 MD998770-01 or general Heated oxygen sensor
Oxygen sensor wrench service tool removal and installation
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15-4 INTAKE AND EXHAUST
ON-VEHICLE SERVICE
ON-VEHICLE SERVICE
VARIABLE INDUCTION CONTROL (VIC) SYSTEM
CHECK <3.0L ENGINE - with VARIABLE
INDUCTION CONTROL (VIC) system>
M1151001700021
1. Warm up the engine.
VACUUM GAUGE
2. Disconnect the vacuum hose from the variable induction
control actuator, and then connect a vacuum gauge via the
Tee-fitting.
3. Start the engine and verify that a vacuum is applied to the
VARIABLE INDUCTION vacuum gauge.
CONTROL SOLENOID 4. As described in the chart below, vary the engine speed to
VARIABLE INDUCTION
inspect the vacuum conditions. During this inspection, verify
CONTROL ACTUATOR that the rod of the variable induction control actuator is
operating.
AK102971AB
AK102971
ENGINE SPEED NORMAL CONTROL
CONDITION VALVE
4,000 rpm or less Vacuum Closed
maintained
Form 4,000 rpm or less, Vacuum not Closed
engine is suddenly change
4,250 rpm or more Vacuum leaks Open
VARIABLE INDUCTION CONTROL (VIC)
SOLENOID CHECK <3.0L ENGINE - with
VARIABLE INDUCTION CONTROL system>
M1151010000019
1. Disconnect the vacuum hoses from the variable induction
control solenoid.
NOTE: When disconnecting the vacuum hose, always make
sure that it can be reconnected at its original position.
2. Disconnect the harness connector.
3. Connect a hand vacuum pump to nipple (B) of the variable
A induction control solenoid.
B
4. As described in the chart below, check airtightness by
applying a vacuum with voltage applied directly from the
battery to the variable induction control solenoid, and
without applying voltage.
BATTERY POSITIVE NIPPLE (A) NORMAL
VOLTAGE CONDITION CONDITION
AK102947AB
AK102947
Applied Open Vacuum leaks
Closed Vacuum
maintained
Not applied Open Vacuum leaks
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INTAKE AND EXHAUST
ON-VEHICLE SERVICE
15-5
5. Measure the resistance between the terminals of the
variable induction control solenoid.
Standard value: 29 - 35 [at 20◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo