1. Using the Dial Indicator with Brackets (100-002, TOOL-4201-C) and Valve Stem Checking Tool (303-004, TOOL- 6505-E), check valve stem-to-valve guide oil clearance. Install a valve stem checking tool on the valve stem and install a dial indicator with brackets. See Fig. 132. 2. Lower the valve until the valve stem checking tool… Read More »
Valve stem seals are used on intake and exhaust valves. No special installation procedure is required for valve stem oil seals.
1. Check valve spring free length, out-of-square and pressure. Replace valve spring if not within specification. See VALVES & VALVE SPRINGS table under ENGINE SPECIFICATIONS. 2. Measure valve spring installed height from bottom of spring seat in cylinder head to bottom of surface of spring retainer.… Read More »
1. Check cylinder head for cracks and warpage at cylinder head gasket surface. Replace cylinder head if warpage exceeds specification. See CYLINDER HEAD table under ENGINE SPECIFICATIONS. DO NOT resurface cylinder head. 2. Measure cylinder head height from top of valve cover gasket surface on cylinder head… Read More »
1. Using NEW gasket, install oil pump pick-up tube if removed. Install and tighten oil pump pick-up tube-to-front cover bolts and oil pump pick-up tube support bracket nut at top of main bearing cap to specification. See TORQUE SPECIFICATIONS. 2. Apply… Read More »
1. Manufacturer recommends removing engine for servicing oil pan. Remove engine. See ENGINE under REMOVAL & INSTALLATION. Remove oil pan bolts. It may be necessary to cut silicone sealant on each side of oil pan. Pry upward on one side of oil pan to break seal on silicone sealant.… Read More »
1. Use a NEW “O” ring seal to position the water thermostat in the upper intake manifold. 2. Install the thermostat housing. See Fig. 131. Install the thermostat housing bolts. Tighten thermostat housing bolts to specification. See TORQUE SPECIFICATIONS. 3. Connect the upper radiator hose to the thermostat housing.… Read More »
1. Partially drain the cooling system. See COOLING SYSTEM BLEEDING. Disconnect the upper radiator hose from the thermostat housing. 2. Remove the thermostat housing bolts and remove the thermostat housing. See Fig. 131. Remove the thermostat and “O” ring seal. Discard the “O” ring seal.
1. Drain the cooling system. See COOLING SYSTEM BLEEDING. Remove the cooling system fan and fan clutch. See COOLING FAN BLADE, CLUTCH & SHROUD. 2. Disconnect the upper radiator hose from the water pump outlet tube. Remove the thermostat and housing. See THERMOSTAT. Note the routing of the… Read More »
1. Apply RTV Silicone Sealant (F5TZ-19G204-AB) to the rear oil seal retaining ring and the crankshaft rear oil seal retaining bolts. 2. Using the Driver Handle (205-153, T80T-4000-W) and the Crankshaft Rear Oil Seal Service Set (303-S485, T94T 6701-AH), install the crankshaft rear oil seal. See Fig. 126. Install and tighten crankshaft rear… Read More »