2008 GMC Acadia AWD V6-3.6LFACTORY OEM SERVICE PROCEDURE

Powertrain Component Views



Powertrain Component Views

Engine Components - Top

Factory service manual diagram



1 - Ignition Coil 3
2 - Ignition Coil 5
3 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve
4 - Throttle Body
5 - Barometric Pressure (BARO) Sensor
6 - Ignition Coil 6
7 - Ignition Coil 4
8 - Ignition Coil 2
9 - Generator Inline Fuse
10 - Intake Manifold Tuning (IMT) Solenoid Valve
11 - Ignition Coil 1

Fuel Injectors

Factory service manual diagram



1 - Valve Cover
2 - Fuel Injector 1
3 - J135
4 - Fuel Injector 3
5 - Fuel Injector 5
6 - J137
7 - Fuel Injector 6
8 - Fuel Injector 4
9 - Fuel Injector 2
10 - X101

Engine Components - Front

Factory service manual diagram



1 - Engine Coolant Temperature (ECT) Sensor
2 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
3 - Starter Motor
4 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
5 - Knock Sensor (KS) 2
6 - Engine Oil Pressure (EOP) Switch

G114

Factory service manual diagram



1 - Exhaust Manifold
2 - G114
3 - Starter Motor

Near the A/C Compressor

Factory service manual diagram



1 - A/C Compressor
2 - A/C Refrigerant Pressure Sensor

Front of the Transmission

Factory service manual diagram



1 - Engine
2 - Automatic Transmission
3 - G113

Automatic Transmission Electronic Components

Factory service manual diagram



1 - Control Solenoid Valve Assembly
2 - Internal Mode Switch
3 - Output Speed Sensor (OSS)
4 - Input Speed Sensor (ISS)

Near the Water Pump

Factory service manual diagram



1 - Camshaft Position (CMP) Actuator Solenoid - Intake Bank 1
2 - Camshaft Position (CMP) Sensor - Intake Bank 1
3 - Camshaft Position (CMP) Sensor - Intake Bank 2
4 - Camshaft Position (CMP) Actuator Solenoid - Intake Bank 2
5 - Camshaft Position (CMP) Actuator Solenoid - Exhaust Bank 2
6 - Camshaft Position (CMP) Sensor - Exhaust Bank 2
7 - Generator
8 - A/C Compressor Clutch
9 - Camshaft Position (CMP) Actuator Solenoid - Exhaust Bank 1
10 - Camshaft Position (CMP) Sensor - Exhaust Bank 1

G110 and G112

Factory service manual diagram



1 - Valve Cover
2 - G110
3 - G112

Engine Components - Rear

Factory service manual diagram



1 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
2 - Intake Manifold Tuning (IMT) Solenoid Valve
3 - Crankshaft Pulley
4 - Knock Sensor (KS) 1
5 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
6 - Crankshaft Position (CKP) Sensor

Left Front of Engine Compartment

Factory service manual diagram



1 - Air Intake
2 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
3 - Engine Control Module (ECM)
Factory Service Tools

Use the Manual With the Right Hardware

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.