Cylinder Head: Installation
- If spark plug tubes were removed or NEW cylinder head is installed, install spark plug tubes before head is installed on engine block. Use 3-Bond (1324) adhesive or equivalent to coat bore of cylinder head for spark plug tube. Using Press, install spark plug tubes into bores until tube protrudes 1.843-1.874" (46.8-47.6 mm) from top horizontal surface of cylinder head. See Fig 1 .
- Before installing cylinder head bolts, apply light coat of engine oil to threads and below bolt heads. Tighten cylinder head bolts in sequence. See Figure . Tighten bolts in several steps to specification. See TORQUE SPECIFICATIONS .
- If cylinder head components were serviced, check valve clearance. See VALVE CLEARANCE ADJUSTMENT under ADJUSTMENTS.
- Ensure reference mark is aligned on distributor. If fuel injectors were removed from fuel rail, install NEW grommet and "O" ring on each fuel injector and insulators in intake manifold. Lubricate "O" ring with gasoline before installing fuel injector on fuel rail.CAUTION: Ensure fuel injector rotates smoothly on fuel rail and intake manifold after installation. If fuel injector does not rotate smoothly, check for improper seal of fuel injector on fuel rail and intake manifold.
- Before installing valve cover, apply Sealant (1052751) at valve cover-to-camshaft bearing cap surfaces on front and rear camshaft bearing caps. Fill cooling system.