2016 Cadillac ELRFACTORY OEM SERVICE PROCEDURE

Left Rear of Engine Components

Left Rear of Engine Components

Items
1. B34 Engine Coolant Temperature Sensor B34 Engine Coolant Temperature Sensor
2. B23F Camshaft Position Sensor - Intake B23F Camshaft Position Sensor - Intake
3. B75B Mass Air Flow/Intake Air Temperature Sensor B75B Mass Air Flow/Intake Air Temperature Sensor
4. Q38 Throttle Body Q38 Throttle Body
5. B68 Knock Sensor B68 Knock Sensor
6. G21 Secondary Air Injection Pump (NU6) G21 Secondary Air Injection Pump
7. B26 Crankshaft Position Sensor B26 Crankshaft Position Sensor
Fig 1: Left Rear of Engine Components
GM3682076Courtesy of GENERAL MOTORS COMPANY
Factory Service Tools

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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.