The following procedure is for removing and installing the valve stem seals with the cylinder head installed. For removing the valve stem seals with the cylinder head removed. Refer to Procedure 002-004 in Section 2. NOTE: This procedure can also be used for removing valve springs, valve spring retainers and valve collets with the cylinder… Read More »
Install the cylinder head gasket. Refer to Procedure 002-021 in Section 2. Carefully put the cylinder head on the cylinder block, and seat it onto the dowels. Lubricate the threads and under the heads on the cylinder head mounting capscrews with clean engine oil. Install the capscrews and tighten hand-tight. Tighten the cylinder head capscrews… Read More »
Install the injectors with sealing washers into the cylinder head. Refer to Procedure 006-026 in Section 6. Measure the injector protrusion. Install depth gauge assembly, Part Number 3164438, on the cylinder head combustion deck and zero. Rotate the depth gauge so it is measuring the injector protrusion at the highest point on the injector. Measure… Read More »
Install the cylinder head in the cylinder head holding fixture, Part Number ST-583. When installing the valve seat inserts, note that the exhaust and intake valve seat inserts are not the same. Valve seat angle: • Intake 30-degrees • Exhaust 45-degrees. If new valve seat inserts are installed, check valve depth and perform a valve… Read More »
If troubleshooting an internal coolant leak or coolant loss symptom, a cylinder head test fixture can be fabricated from a flat piece of steel or aluminum to pressure test the cylinder head. See the following table for test fixture dimensions. NOTE: Use the old cylinder head gasket as a pattern for drilling the capscrew holes.… Read More »
Keep the gasket material, and any other foreign materials out of the air intake. If removed, clean the cylinder head sealing surfaces where the air intake manifold seals. NOTE: On engines equipped with EGA, it is common to have soot buildup in the air intake section of the cylinder head. If the cylinder head is… Read More »
Mark the valves to identify their location. Compress the valve springs using the valve spring compressor service tool, Part Number 3164329. Position the replacer screw (4) above the injector bore and install the two capscrews (5) in the cylinder head where the hold-down clamp screws were removed. Tighten the capscrews (5). Torque Value: 5 N•m… Read More »
Install the cylinder head in the cylinder head holding fixture, Part Number ST-583. Scrape the gasket material and clean the combustion deck surfaces on the cylinder block and cylinder head. Use a straightedge and a feeler gauge to inspect the cylinder head combustion surface for flatness. If out of specification determine if the cylinder head… Read More »
Remove the cylinder head capscrews and cylinder head. Remove the cylinder head gasket from the cylinder block.
If troubleshooting coolant in the fuel, fuel in the coolant, fuel in the oil, or oil in the fuel, pressurize the internal fuel drain line in the cylinder head and check for leaks. Remove the fuel drain line at the rear of the cylinder head. Refer to Procedure 006-013 in Section 6. If equipped with… Read More »