2002 Chevrolet Impala LSFACTORY OEM SERVICE PROCEDURE

Removal Procedure

  1. Remove the right diagonal brace.
  2. Remove the battery.
  3. Partially drain the cooling system. Refer to Draining & Filling Cooling SystemΒ .
  4. Disconnect the low coolant module electrical connector.

    Important:Β  In order to unlock the low coolant module, lift one leg of the snap clip from its locked position and pull outward with a slight twisting motion.

    Fig 1: Locating Low Coolant Module
    G01807887Courtesy of GENERAL MOTORS CORP.
  5. Remove the low coolant module.
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.

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