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HOMESERVICE MANUALSBUICK2005LESABRE LIMITED, 4T65E/M15REPAIR AND DIAGNOSISENGINE MECHANICALSTARTERBATTERY, CHARGING SYSTEM AND STARTING SYSTEMREPAIR INSTRUCTIONSGENERATOR REPLACEMENT (L36)INSTALLATION PROCEDURE
2005 Buick LeSabre Limited, 4T65E/M15

Installation Procedure

2005 Buick LeSabre Limited, 4T65E/M15SECTION Installation Procedure
    Fig 1: Removing/Installing Generator (L36)
    GM439092Courtesy of GENERAL MOTORS CORP.
  1. Position the generator on the engine.
  2. Install the generator mounting bolts.

    Tighten:  Tighten the generator mounting bolts to 50 N.m (37 lb ft).

  3. Connect the wiring harness connector to the generator.
  4. Connect the positive lead and install the generator output BAT terminal nut.

    Tighten:  Tighten the generator output BAT terminal nut to 12.5 N.m (111 lb in).

  5. Press the protective boot on to the generator output BAT terminal.
    6. Fig 2: Removing/Installing Generator Brace & Fasteners (L36)
    GM439097Courtesy of GENERAL MOTORS CORP.
  6. Install the generator brace and fasteners.

    Tighten: 

    • Tighten the generator brace nut to 50 N.m (37 lb ft).
    • Tighten the generator brace bolt to 25 N.m (18 lb ft).

  7. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (L36) in Engine Mechanical - 3.8L.
  8. Install the drive belt. Refer to Drive Belt Replacement (L36) in Engine Mechanical - 3.8L.
  9. Connect the battery negative cable. Refer to Battery Negative Cable Disconnect/Connect Procedure .
RENDER: 1.0x

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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.