
Clean the intake manifold-(1) matingsurfaces.Inspect the intake manifold for damage.Inspect the intake manifold for cracks near metallicinserts.Clean and inspect the intake manifoldinsulator-(2) for damage.

Inspect the crankcase ventilation passages-(1) inthe intake manifold face for blockage.
Warning:Refer toSafety Glasses Warning.
Clean the crankcase ventilation passages with compressed airif necessary. Use a maximum of 172-kPa(25-psi) of air pressure.Replace the intake manifold as necessary.
Crankshaft Balancer Cleaning and Inspection Engine Block Cylinder Block Crankshaft
Oil Pan Cleaning and Inspection Engine Lubrication Oil Sump/PanSunroof Window Replacement
Removal ProcedureCaution:In order to prevent damage to the paint, mask the roof panelin front of the sunroof opening using masking tape andpaper.Cycle the sunroof window to the vent position.Slide the sunshade rearward.Remove the sunroof panel side opening closeout covers. RefertoSunroof Panel Side ...