1995/12/15 Caterpillar

New Valve Guides Available {1104}

Usage:

3306, 3306B, 3306C Diesel Truck Engines

Description of Change: New valve guides are available for the 3306, 3306B, and 3306C Diesel Engines. This new valve guides are produced with powdered metal technology. The new valve guides will provide increased service life.

Adaptable To: The new 116-7553 Valve Guide (tapper top) is a direct replacement for the former 103-3298 Valve Guide (taper top) in 3306C (9TL) Truck Engines. The new is effective with 3306C (9TL6603) Truck Engine and adaptable to all earlier (9TL) Truck Engines. The 9U-6954 Bushing and 7S-8859 Driver are used to install the new 116-7553 Valve Guide (tapper top).

The new 109-0390 Valve Guide (flat top) is a direct replacement for the former 2P-1262 Valve Guide (flat top) in all other 3306 and 3306B Diesel Truck Engines. The former valve guide is canceled. The 7S-8858 Bushing and 7S-8859 Driver are used to install the new 109-0390 Valve Guide (flat top).

Caterpillar Information System:

1995/12/15 Mechanical Unit Injector Identification Code {1290}

1995/12/15 Correct Valve Rocker Arm And Valve Push Rod Combinations {1123,1208}

1995/11/28 The Technical Information Feedback System Form Is Available In Electronic Mail{0374}

1995/11/28 122-1649 Oil Pressure Sensor Kit Available{1924}

1995/11/28 Block Mounted Breather Provides Lower Overall Engine Height{1317}

1995/11/28 Timing Procedure Aid{1206,1162,1166}

1995/11/28 New Intake And Exhaust Valves Have Chrome Plated Stems{1105}

1995/11/28 Possible Sources Of High Crankcase Blowby From Breather Tube{1317}

1995/11/28 New O-Ring Seal Used On Unit Injector Tip{1290}

1995/10/01 Oil Level Gauge (Dipstick) Calibration{1326}

1995/10/01 New Fuel Injection Nozzles Help Reduce White Exhaust Smoke During Cold Engine Start Up{1254}

1995/10/01 Evaluating Turbochargers For Compressor End Oil Seal Leaks{1052,1053,1060}

1995/12/15 Rocker Arm Modification To Provide Increased Lubrication To Camshaft Roller Followers (Valve Lifters) {1209}

1995/12/15 Engine Replacement {1000}

1995/12/15 New Stronger Elbow Used In Turbocharger Oil Lines Groups {1307}

1995/12/15 Software Update May Be Required When Changing Fuel Injectors {1900,1902,1290}

1995/12/15 Flashing 3176B And 3406E Personality Modules With NOV95 Software {1901}

1996/01/23 Mixing Caterpillar Long Life Coolant/Antifreeze (LLCA) With Conventional Cat Diesel Engine Antifreeze/Coolant And/Or Other Commercially Available Diesel Engine Antifreeze/Coolants Is Not Recommended{1395}

1996/01/23 Caterpillar Electronic Technician (CAT ET){0700}

1996/01/23 New Valve Cover Gasket{1107}

1996/01/23 Tamper Resistant Plugs And Tamper Resistant Bolts Used To Prevent Changes To Air Fuel Ratio Control (AFRC) Setting{1278,1287}

1996/01/23 New Air Fuel Ratio Control (FARC) Air Line Routing For 3306 Truck Engines In Kenworth Trucks{1278}

1996/01/23 Governor Spring Guide Press Depth{1287,1284}

1996/01/23 Remanufactured Product Update{7754}