1994/10/01 Caterpillar

Catalytic Converter/Muffler Identification{1062,1091}

Usage:

Chevrolet Kodiak And GMC Topkick Trucks Powered By Caterpillar 3116 (9GK) Truck Engines

The above trucks may have come from the factory equipped with either a muffler or a converter/muffler depending upon the exhaust system options selected. If a muffler or converer/muffler is damaged, the appropriate replacement can be orderd by refering to Exhaust System Option Codes and then to the appropriate Chart.

Exhaust System Option Codes

The following is list of exhaust system option codes and their meanings.

* CTF - Interim Design Change (Refer to Vehicle Option Label for Verification)

* GPG - Low Provile Vehicle

* LVG - Emissions Delete without CTF

* LZY - Electronic Engine Control System

* NB2 - Emission System, California Requirements

* NB5 - Exhaust System, Single

* NC2 - Tailpipe, Single Horizontal

* NPT - Exhaust System, Single Horizontal Muffler, with Vertical Tailpipe Right Hand Cab Mount

* NPY - Exhaust System, Single Horizontal Muffler, with Vertical Tailpipe Left Hand Cab Mount

* NRX - Emission Control Diesel Engine Exhaust

* NRZ - Emission Equipment Diesel Engine Less Converter

* NWD - Exhaust Modification, Increased Ground Clearance

* LVR - 170 HP Caterpillar 3116 Diesel Engine

* LVX - 185 HP Caterpillar 3116 Diesel Engine

* LVS - 200 HP Caterpillar 3116 Diesel Engine

* LVY - 215 HP Caterpillar 3116 Diesel Engine

* LVZ - 250 HP Caterpillar 3116 Diesel Engine

* LRU - 275 HP Caterpillar 3116 Diesel Engine

Caterpillar Information System:

1994/09/01 Caterpillar Legendary Service Literature Catalog SELD0811 Updated{0374}

1994/09/01 117-7213 Control Group (Vehicle Speed Filter) Available For Field Installation{1914}

1994/09/01 New Gasket Provides Improved Sealing Between Air Compressor And Drive{1803}

1994/09/01 Impeller Appearance On Remanufactured 3406 Water Pump{1364,1361}

1994/09/01 New Seals In Pump Fastener Group And Fuel Injection Pump Group Have Improved Heat Set Resistance{1251}

1994/09/01 Additional Parts Now Provided With 0R-4180 Remanufactured Cylinder Head Assembly{1100}

1994/09/01 Turbocharger Popping Noise Does Not Cause Damage{1052}

1994/09/01 Remanufactured 3400 Cylinder Heads Now Use Intake And Exhaust Valves With Chrome Plated Valve Stems{1105}

1994/09/01 Improved Fuel Pump Bonnet Seal Has Better Heat Resistance{1251}

1994/09/01 New Fuel Priming Pump Assembly Used In Fuel Priming Pump Group{1258}

1994/09/01 New Fuel Priming Pump And Gasket Used{1258}

1994/09/01 Caterpillar Introduces New Long Life Heavy Duty Engine Coolant{1395}

1994/10/01 New Rear Crankshaft Seal Groups Available{1161}

1994/10/01 Corrections To 3176B/3406E Electronic Troubleshooting Guide{0374,1901}

1994/10/01 Check 9U-7242 Valve Spring Compressor Plate For Correct Thickness{0703}

1994/10/01 New Engine Crankshaft Rubber Damper Assembly Uses Improved Rubber Material{1205}

1994/11/01 Verification of Connecting Rod Eye Bushing Retention When Overhauling Engines{1218}

1994/11/01 Fuel Injection Nozzle Reference {1254}

1994/11/01 Fuel System Pressure{1256}

1994/11/01 Unit Injector Removal And Installation{1290}

1994/11/01 Engine Oil Capacity Change{1326,7542}

1994/11/01 Be Sure Correct Piston Cooling Jets Are Installed{1331}

1994/12/01 Cold Weather Operation Reminder{0374}

1994/12/01 New Exhaust Manifold Gasket Available{1059}