Montero Sport ES 2WD V6-3.0L SOHC (2001)
Intake Manifold: Component Tests and General Diagnostics
Introduction
INTRODUCTION TO INTAKE AND EXHAUST DIAGNOSIS
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 interference
with the body and vibration noise is generated.
Troubleshooting Strategy
INTAKE AND EXHAUST DIAGNOSIS TROUBLESHOOTING STRATEGY
Use these steps to plan your diagnostic strategy. If you follow them carefully, you will be sure that you have exhausted most of the possible ways to find
an intake or exhaust system fault.
1. Gather information from the customer.
2. Verify that the condition described by the customer exists.
3. Find the malfunction by following the Symptom Chart.
4. Verify malfunction is eliminated.
Intake Manifold Check
INSPECTION
Check the following points; replace the part if a problem is found.
INTAKE MANIFOLD CHECK
1. Check for damage or cracking of any part.
2. Clogging of the negative pressure (vacuum) outlet port, or clogging of the gas passages.
3. Check deflection of installation surface with straight edge and feeler gauge.
Standard value: 0.15 mm (0.006 inches) or less
Limit: 0.20 mm (0.008 inches)