Cylinder Head and Valves CTM100 (06APR04) 02-020-9 P OWER T ECH 10.5 L & 12.5 L Diesel Engines 040604 PN=81 IMPORTANT: Thoroughly inspect ALL intake and exhaust valve bridges (A) for proper seating on valve stems (B) from both sides of engine. Also, be sure that push tubes (C) are properly seated in top of valve bridge. Use a flashlight and carefully check each bridge (for proper seating on valve stems) from both sides of the engine, by lifting up on each bridge to verify proper seating. VALVE BRIDGES THAT ARE NOT PROPERLY SEATED ON –UN–04DEC98 VALVE STEMS WILL RESULT IN MAJOR ENGINE VALVE TRAIN FAILURE. RG9743 13.
Check that all intake rocker arm adjusting screws (D) have approximately the same number of threads Inspect Valves visible above lock nut. Normally flush to maximum of two threads. If the number of threads above lock nut at any location is visually different, verify bridge seating and readjust valve clearance to ensure everything is within specification at this location. –UN–04DEC98 14. Install plug in timing pin hole below oil cooler and tighten to specifications. RG9626A Specification Timing Pin Plug (Below Oil Cooler)—Torque..............................................................
33 N•m (24 lb-ft) Adjusting Screws A—Valve Bridges B—Valve Stems C—Push Tubes D—Adjusting Screws RG,RG34710,63 –19–16OCT00–6/6 02 020 9