John Deere Component Tech Manual 8.1L Base engine

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)

SECTION 02, GROUP 100 (OEM Starting and Charging Systems)