Intake Manifold Vacuum Inspection
WARNING: This page is about a different variant/trim than selected.
- Remove the check valve (intake manifold side) and install the vacuum gauge. (See CHECK VALVE (EMISSION SYSTEM) REMOVAL/INSTALLATION .)
- Verify that the intake air hoses are installed securely.
- Warm up the engine.
- Measure the intake manifold vacuum while idling (no load) using the vacuum gauge.
- If not within the specification, perform the following inspections.
- Compression pressure (See COMPRESSION INSPECTION .)
- Check valve (INTAKE-AIR SYSTEM) (See CHECK VALVE (INTAKE-AIR SYSTEM) REMOVAL/INSTALLATION .)
- Check valve (EMISSION SYSTEM) (See CHECK VALVE (EMISSION SYSTEM) REMOVAL/INSTALLATION .)
- Air suction
- Installation areas of each vacuum hose
- Installation area of dynamic pressure turbo
- Installation area of charge air cooler
- Installation area of throttle body
- Installation area of fuel injector
- Installation area of PCV valve
- Installation area of intake manifold
- If not within the specification, perform the following inspections.
| Standard |
| Approx. -60.0 kPa {-450.0 mmHg, -17.7 inHg} |