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.Primary Camshaft Intermediate Drive Chain Tensioner Installation Valvetrain Camshaft
Special ToolsEN-45027Tensioner ToolEN-46112Tensioner Retraction PinsEN-48383Camshaft Retaining ToolsEN-48589Crankshaft Rotation SocketFor equivalent regional tools, refer toSpecial Tools.Ensure that the primary camshaft drive chaintensioner-(3) is being installed.Using theEN-45027tool, reset the pri ...