John Deere 6.8L, 8.1L PowerTech Diesel Engines Level 3 Electronic Fuel Systems with Bosch Pump Repair Manual

This manual (CTM 134) is written for an experienced technician. Essential tools required in performing certain service work are identified in this manual and are recommended for use.

This manual covers only the Level 3 Electronic Fuel System. It is one of five volumes on 8.1 L engines.
The following four companion manuals cover the repair, operation and diagnostics for the base engine and various electronic and mechanical fuel systems. These are in 5 volumes . In order to complete the 8.1 L set,  Discard CTM134 dated 22FEB99 and replace with the following new manuals::

• CTM68— 8.1 L—Electronic Fuel Injection Systems
• CTM86—8.1 L Base Engine
• CTM134—6.8 L & 8.1 L Level 3 Electronic Fuel Systems with Bosch In-Line Pump
• CTM243—8.1 L Mechanical Fuel Systems
• CTM255—8.1 L Level 9 Electronic Fuel Systems with Denso In-Line Pump

This new CTM134—Level 3 Electronic Fuel Systems with Bosch In-Line Pump, contains fuel system and electronic engine control repair procedures formerly in CTM86, Groups 35 and 40 (06JUL99).

CTM 134 is also one of 4 volumes on 4.5 L and 6.8 L engines. The following two companion manuals cover the base engine and mechanical fuel system repair, operation and diagnostics:
• CTM104—4.5 L & 6.8 L Base Engine
• CTM207—4.5 L & 6.8 L Mechanical Fuel Systems
• CTM134—6.8 L & 8.1 L Level 3 Electronic Fuel Systems with Bosch In-Line Pump
• CTM170—6.8L & 8.1 L Level 4 Electronic Fuel System with Bosch VP44 Pump