ENGINE6-20 TNV IDI Service ManualCylinder HeadRemoval of Intake Manifold / Valve Cover1. Remove the intake manifold bolts(Figure 6-2, (1)) and valve cover bolts(Figure 6-2, (2)).2. Remove the valve cover / intake manifold(Figure 6-2, (3)). Discard gasket(Figure 6-2, (4)).Figure 6-23. Remove the exhaust manifold bolts(Figure 6-2, (5)) and nuts (Figure 6-2, (6)).Remove the exhaust manifold (Figure 6-2, (7))and the exhaust manifold gasket(Figure 6-2, (8)).Removal of Glow Plugs1. Disconnect the glow plug harness(Figure 6-3, (2)) from the glow plugs(Figure 6-3, (1)).2. Remove the glow plugs from the cylinder head.Figure 6-3Removal of Rocker Arm Assembly1. Remove the bolts (Figure 6-4, (1)) and nuts(Figure 6-4, (2)) that retain the rocker arm shaftsupports.2. Remove the rocker arm shaft assembly fromthe cylinder head.Note: Identify the push rods so they can bereinstalled in their original locations.3. Remove the push rods and identify forreinstallation.Figure 6-4(2)(1)(3)(5)(4)(6)(7)(8)0002131(2)(1)(2)(2)(1)0002147
