Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
  • Always use replacement cables that are of the same type, diameter and length of the cables that you are replacing.
  • Always route the replacement cable the same way as the original cable.
  1. Disconnect the negative battery cable from the battery. Refer to Battery Negative Cable Disconnection and Connection (2.2L (L61) and 3.5L (L66))Β  or Battery Negative Cable Disconnection and Connection (2.4L (LAT))Β .
  2. Disconnect the positive battery cable from the battery.
  3. Fig 1: Removing/Installing Underhood Electrical Wiring
    GM934966Courtesy of GENERAL MOTORS CORP.
  4. Remove the UHJB cover (1).
  5. Disconnect the positive battery cable (2) from the UHJB.
  6. Fig 2: View Of Negative Battery Cable To The Transmission Bracket
    GM1336944Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the positive battery cable from the starter (2).
  8. Disconnect the positive battery cable from the retainers.
  9. Disconnect the positive battery cable from the generator.
  10. Remove the positive battery cable from the vehicle.
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:

  • 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.