Rear of Engine Components (LZ1)

2011 Cadillac Escalade Base, AWDSECTION Rear of Engine Components (LZ1)
Rear of Engine Components (LZ1)

Component Name Callout
Automatic Transmission Output Shaft Speed (OSS) Sensor 1
Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 1 2
Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 2 3
Transmission Power Inverter Module (3 Phase) Cable Cover 4
Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 2 5
Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 1 6
Fig 1: Rear Of Engine Components (LZ1)
GM2160967Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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