C27 and C32 Engines for Caterpillar Built Machines Component Location Caterpillar


Component Location
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1.1. Block Diagram
2.1. Locations of the Engine's Electronic Components

Block Diagram



Illustration 1g01974653
Block diagram for the C32 Engines

Locations of the Engine's Electronic Components



Illustration 2g02082134
Left side engine view
(1) Electronic Control Module (ECM)
(2) Termination resistor for the CAN data link
(3) NRS temperature sensor
(4) Differential pressure sensor for the NRS system
(5) Absolute pressure sensor for the NRS system
(6) Engine oil pressure sensor
(7) Crankshaft speed/timing sensor
(8) Buffer for the exhaust temperature sensors
(9) Low oil level switch (engine off)
(10) Low oil level switch (running engine)
(11) Low oil level switch (engine start-up)
(12) Turbocharger inlet temperature sensor for cylinders 1, 3, and 5
(13) Turbocharger inlet temperature sensor for cylinders 7, 9, and 11


Illustration 3g02082113
Right side engine view
(14) Solenoid for NRS actuator
(15) Camshaft speed/timing sensor
(16) Turbocharger inlet temperature sensor for cylinders 8, 10, and 12
(17) Turbocharger inlet temperature sensor for cylinders 2, 4, and 6
(18) Buffer for the exhaust temperature sensors


Illustration 4g02082273
Top engine view
(19) Harness connector at the valve cover base that is for the injectors and brake actuators for the cylinders that are on the left bank of the engine
(20) Harness connector at the valve cover base that is for the injectors and brake actuators for the cylinders that are on the right bank of the engine
(21) Balance valve solenoid
(22) Right intake manifold temperature sensor
(23) Left intake manifold temperature sensor
(24) Crankcase pressure sensor
(25) Intake manifold pressure sensor
(26) J2/P2 ECM connectors
(27) J1 ECM connector
(28) Barometric pressure sensor
(29) Coolant temperature sensor
(30) Electric fuel priming pump
(31) Fuel temperature sensor
(32) Fuel filter differential pressure switch
(33) Fuel pressure sensor


Illustration 5g02133095
Location of the turbocharger inlet pressure sensors
(34) Turbocharger inlet pressure sensors
(35) Air inlet temperature

Information System:

2009/09/30 Water Pump Operation {1361, 7555}
2009/09/30 Water Pump Operation {1361, 7555}
AD30 Underground Articulated Truck Additional Messages
2010/01/22 Improved Track Rollers Are Now Used On the D10T {4180}
2009/10/29 Improved Gaskets for the Oil Filter Base Are Now Used on Certain Engines {1306, 1308, 7555}
2009/09/21 A Guard For the Pivot Shaft Seal Is Now Used On the D11T {4151}
953D, 963D and 973D Track-Type Loaders Monitoring System Electrical Connector - Inspect
2009/09/28 Replacement Of The Gasket For The Rear Transmission Cover {3030, 7555}
2009/10/16 Correction to Systems Operation Testing and Adjusting , "Pressure Reducing Valve (Pilot Oil) - Test and Adjust" {5117}
AD30 Underground Articulated Truck Lifting and Tying Down the Machine
C13, C15, and C18 Tier 4 Interim Engines ARD Failed to Ignite
992K Wheel Loader Electrohydraulic System MID 082 - CID 1571 - FMI 11
Frozen Water Damages the Radiator Guard{7155}
2009/09/30 A New Steering Filter Cover is Now Used {4304, 5068}
3500B and 3500C Marine Engines Turbocharger
(Custom) 367-7349 and Quick Coupler For Wheel Loaders Declaration of Conformity
3500B and 3500C Auxiliary Engines, Generator Set Engines, and Generator Sets Plate Locations and Film Locations
988H Wheel Loader Electrohydraulic System System Schematic
Procedure To Increase The Serviceability Of The Air Cleaner On D7G2 Machines That Are Equipped With A 273-9225 Engine Enclosure Group Or A 291-5668 Engine Enclosure Group {1051}
924H, 924Hz, 928Hz and 930H Wheel Loaders Machine Systems Lift Cylinder - Remove and Install
986H Wheel Loader Camera - If Equipped
Orientation of the 285-4106 Valve Cover Seal and the 217-5701 Bulk Seal {1107}
2009/09/30 New AccuGrade Software Version 11.10-B is Now Available {7220}
(Custom) 356-2124 Fusion Pallet Fork Declaration of Conformity