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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1621 (Battery) >> Repair Instructions >> Battery Positive Cable Replacement (4.8L, 5.3L, 6.0L, and 8.1L Engines) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to BATTERY DISCONNECT CAUTION .
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery)  or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) .
  2. Unsnap the positive battery cable cap.
  3. Loosen the positive battery cable.
  4. Remove the positive battery cable.
    Fig 1: Remove Positive Battery Cable
    G02109391Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The bolt is integral to the battery cable and is not removable.
  5. Loosen the positive cable bolt at the underhood bussed electrical center (UBEC).
    Fig 2: Loosen Positive Cable Bolt
    G02109392Courtesy of GENERAL MOTORS CORP.
  6. If necessary, remove the engine sight shield. Refer to ENGINE SIGHT SHIELD REPLACEMENT (4.8L, 5.3L, AND 6.0L ENGINES) or  ENGINE SIGHT SHIELD REPLACEMENT (6.0L ENGINE W/RPOS Y91 AND Z88)  .
  7. Unsnap the junction block cover.
  8. Remove the positive battery cable (1) from the junction block.
    Fig 3: Remove Positive Battery Cable
    G02109393Courtesy of GENERAL MOTORS CORP.
  9. If equipped with a 4.8L, 5.3L, or 6.0L engine, remove the negative cable clip from the positive cable clip.
  10. Raise and suitably support the vehicle. Refer to JACKING AND LIFTING .
    Fig 4: Remove Negative Cable Clip From Position Cable Clip (4.8L, 5.3L Or 6.0L)
    G02109394Courtesy of GENERAL MOTORS CORP.
  11. If equipped with a 8.1L engine, remove the negative cable clip from the positive cable clip.
  12. Raise and suitably support the vehicle. Refer to JACKING AND LIFTING .
    Fig 5: Remove Negative Cable Clip From Positive Cable Clip (8.1L)
    G02109395Courtesy of GENERAL MOTORS CORP.
  13. Remove the positive battery cable channel bolt.
  14. Slide the channel pin out of the oil pan tab.
  15. Remove the positive battery cable from the channel.
    Fig 6: Remove Positive Battery Cable Channel Bolt
    G02109396Courtesy of GENERAL MOTORS CORP.
  16. If equipped with a 4.8L, 5.3L, or 6.0L engine, remove the battery cable bracket bolt and bracket from the power steering pump.
    Fig 7: Remove Battery Cable Bracket & Bolt
    G02109397Courtesy of GENERAL MOTORS CORP.
  17. If equipped with a 4.8L, 5.3L, or 6.0L engine, remove the starter lead nut.
  18. Remove the positive cable from the starter.
  19. Remove the positive cable clip from the clip on the oil pan.
  20. Remove the positive cable from the clip on the oil pan.
  21. Remove the positive battery cable.
    Fig 8: Remove Positive Battery Cable
    G02109398Courtesy of GENERAL MOTORS CORP.
  22. If equipped with a 8.1L engine, remove the starter lead nut.
  23. Remove the positive cable from the starter.
  24. Remove the positive cable clip nut.
  25. Remove the positive cable from the engine harness clip.
  26. Remove the positive battery cable.
    Fig 9: Remove Positive Battery Cable & Clip Nut
    G02109399Courtesy of GENERAL MOTORS CORP.
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