Description
The changes listed below make your CTM obsolete.
Repair, operation, and diagnostics are now covered in
five manuals. Discard CTM86 dated 06JUL99 and
replace with the following new manuals:
• CTM86—Base Engine
• CTM243—Mechanical Fuel Systems
• CTM134—Level 3 Electronic Fuel Systems
• CTM255—Level 9 Electronic Fuel Systems
• CTM68—Electronic Fuel Injection Systems
Also, copy these pages and route through your Service
Department.
SECTION 01, GROUP 001 (Engine Identification)
• Updated engine model designation chart.
• Updated engine application charts.
SECTION 01, GROUP 002 (Fuels, Lubricants, and
Coolants)
• Updated engine oil and coolant application
guidelines.
SECTION 02, GROUP 010 (Engine Rebuild)
• Updated engine disassembly sequence.
• Updated engine assembly sequence.
• Updated sealant application guidelines.
SECTION 02, GROUP 020 (Cylinder Head and
Valves Repair and Adjustment Serial Number
( —199,999)
• Repair procedures for cylinder head and valves on
engines with serial number ( —199,999) are covered
in this group.
SECTION 02, GROUP 021 (Cylinder Head and
Valves Repair and Adjustment Serial Number
(200,000— )
• Repair procedures for cylinder head and valves on
engines with serial number (200,000— ) are covered
in this group.
SECTION 02, GROUP 050 (Camshaft and Timing
Gear Train Repair and Adjustment)
• Eliminated procedure to check valve lift. Use
appropriate procedure from Group 020 or Group
021.
• Revised specifications for installation of crankshaft
gear-driven auxiliary drive.
• Revised procedure for installation of thrust washer
and timing gear cover.
SECTION 02, GROUP 060 (Lubrication System
Repair and Adjustment)
• Added information for top-load oil filter.
SECTION 02, GROUP 070 (Cooling System Repair
and Adjustment)
• Added belt routing diagrams.
• Revised procedure for installation of coolant pump.
SECTION 02, GROUP 080 (Air Intake and Exhaust
System Repair and Adjustments)
• Revised procedure for turbocharger inspection
techniques.
• Eliminated procedure for adjusting turbocharger
wastegate actuator.
• Revised specifications for installing turbocharger.
SECTION 02, GROUP 090 (Fuel System Repair and
Adjustments)
NOTE: Repair procedures for fuel systems have been
have been moved to Section 02, Group 090 in
the three following technical manuals:
• CTM243—Mechanical Fuel Systems
• CTM134—Level 3 Electronic Fuel Systems
• CTM255—Level 9 Electronic Fuel Systems
SECTION 02, GROUP 100 (OEM Starting and
Charging Systems)
• Starting and charging systems are covered in this
new group.
SECTION 03, GROUP 120 (Base Engine Operation)
• Base engine theory of operation is covered in this
new group.
NOTE: Fuel system theory of operation has been
moved to Section 03 in the three following
technical manuals:
• CTM243—Mechanical Fuel Systems
• CTM134—Level 3 Electronic Fuel Systems
• CTM255—Level 9 Electronic Fuel Systems
SECTION 04, GROUP 150 (Observable Diagnostics
and Tests)
• Base engine observable diagnostics and tests are
covered in this new section/group.
NOTE: Fuel system diagnostics and testing has been
moved to Section 04 in the three following
technical manuals:
• CTM243—Mechanical Fuel Systems
• CTM134—Level 3 Electronic Fuel Systems
• CTM255—Level 9 Electronic Fuel Systems
SECTION 05 (Tools and Other Materials)
• All essential tools, service tools, dealer fabricated
tools, and other materials listed throughout this
manual are consolidated in this section for ease of
reference.
SECTION 06 (Specifications)
• All repair, test, and diagnostic specifications listed
throughout this manual are consolidated in this
section for ease of reference.
• Updated bolt and cap screw torque values.
• Updated General OEM specifications.
• Updated dynamometer specifications.
• Updated turbocharger boost specifications
