Intake Manifold Cleaning and Inspection for Chevrolet Blazer - 4WD 2003

1. Clean the intake manifold mating surfaces.
2. Inspect the intake manifold for damage.
3. Inspect the intake manifold for cracks near compression limiters.
4. Inspect the crankcase ventilation passages in the intake manifold face for blockage and clean as necessary.
5. Replace the intake manifold as necessary.