GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Yukon XL - 2WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Powertrain Component Views
Figure 1:

Top of the Engine Components (LY6 Gas Only)
Object Number: 1714214 Size: LF
(1)Fuel Injector 6
(2)Ignition Coil 8
(3)Fuel Injector 8
(4)Fuel Injector 7
(5)Ignition Coil 7
(6)Fuel Injector 5
(7)Ignition Coil 5
(8)Ignition Coil 3
(9)Fuel Injector 3
(10)Ignition Coil 1
(11)Fuel Injector 1
(12)Manifold Absolute Pressure (MAP) Sensor
(13)Fuel Injector 2
(14)Ignition Coil 2
(15)Ignition Coil 4
(16)Fuel Injector 4
(17)Ignition Coil 6
Figure 2:

Engine - Left Side (LY6)
Object Number: 2047472 Size: LF
(1)Throttle Body
(2)Manifold Absolute Pressure (MAP) Sensor
(3)Evaporative Emissions (EVAP) Canister Purge Solenoid Valve
(4)Ignition Coil 1
(5)Ignition Coil 3
(6)Ignition Coil 5
(7)Ignition Coil 7
(8)Engine Block Heater Connector (K05)
(9)Knock Sensor (KS) - 1 (Gas)
(10)Engine Coolant Temperature (ECT) Sensor
(11)A/C Compressor Clutch
(12)Camshaft Position (CMP) Sensor
(13)Generator
Figure 3:

Engine - Right Side (LY6 Gas Only)
Object Number: 2047500 Size: LF
(1)Ignition Coil 8 (4.8L/5.3L/6.0L/6.3L)
(2)Ignition Coil 6 (4.8L/5.3L/6.0L/6.3L)
(3)Ignition Coil 4 (4.8L/5.3L/6.0L/6.3L)
(4)Ignition Coil 2 (4.8L/5.3L/6.0L/6.3L)
(5)PCV Valve
(6)Knock Sensor (KS) - 2 (Gas)
(7)Starter
(8)Engine Oil Level Switch (4.8L/5.3L/6.0L/6.2L)
(9)Starter Solenoid
(10)Engine Oil Pressure (EOP) Sensor (Gas)
Figure 4:

Engine - Top View (LFA + HP2)
Object Number: 1985455 Size: LF
(1)Fuel Injector 7
(2)Fuel Injector 5
(3)Fuel Injector 3
(4)Fuel Injector 1
(5)Fuel Injector 2
(6)Fuel Injector 4
(7)Fuel Injector 6
(8)Fuel Injector 8
Figure 5:

Top of the Engine (LFA + HP2)
Object Number: 2047699 Size: LF
(1)Throttle Body
(2)Camshaft Position (CMP) Sensor
Figure 6:

Engine - Left Rear (LFA + HP2)
Object Number: 1985458 Size: LF
(1)Engine Block Heater Connector
(2)Engine Coolant Temperature (ECT) Sensor
(3)Ignition Coil 1
(4)Evaporative Emissions (EVAP) Canister Purge Solenoid Valve
(5)Manifold Absolute Pressure (MAP) Sensor
(6)Ignition Coil 3
(7)Ignition Coil 5
(8)Ignition Coil 7
(9)Engine Oil Pressure (EOP) Sensor
(10)Valve Lifter Oil Manifold (VLOM) Assembly (DOD)
(11)Knock sensor 1
Figure 7:

Engine - Right Rear (LFA + HP2)
Object Number: 1985471 Size: LF
(1)Ignition Coil 2
(2)Ignition Coil 8
(3)Ignition Coil 6
(4)Ignition Coil 4
(5)Knock Sensor 2
(6)Crankshaft Position (CKP) Sensor
Figure 8:

In Front of Transmission (HP2)
Object Number: 2108165 Size: LF
(1)Automatic Transmission
(2)Automatic Transmission Auxiliary Fluid Pump (HP2)
Figure 9:

Transmission and Transfer Case Components (HP2)
Object Number: 2047710 Size: LF
(1)Vehicle Speed Sensor (VSS) (without NQH)
(2)Vehicle Speed Sensor (VSS) (NQH)
(3)Transfer Case Encoder Motor (NQH)
(4)Transfer Case 2/4 Wheel Drive Actuator Position Sensor (NQH)
(5)Transmission Power Inverter Module (3 Phase) Cable Cover
Figure 10:

Inside the Transmission Components (M30 or M70)
Object Number: 1552905 Size: LF
(36)Vehicle Speed Sensor (VSS)
(66)Torque Converter Clutch (TCC) Solenoid Valve
(69)Automatic Transmission Fluid Pressure Manual Valve Position Switch
(250)Input Speed Sensor (ISS)
(367a)1-2 Shift Solenoid (SS) Valve
(367b)2-3 Shift Solenoid (SS) Valve
(377)Pressure Control (PC) Solenoid Valve
(394)3-2 Shift Solenoid (SS) Valve
(396)Torque Converter Clutch (TCC) Pulse Width Modulation (PWM) Solenoid Valve
Figure 11:

Inside the Transmission Components (MYC or MYD)
Object Number: 1696407 Size: LF
(1)Control Solenoid Valve Assembly
(2)Input Speed Sensor (ISS)/Output Speed Sensor (OSS)
(3)Automatic Transmission Internal Mode Switch (IMS)