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HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 21 (HYBRID COOLING SYSTEM)REPAIR INSTRUCTIONSGENERATOR BATTERY VENT FAN REPLACEMENT
2009 Chevrolet Tahoe Base, 4.8 C

Generator Battery Vent Fan Replacement

2009 Chevrolet Tahoe Base, 4.8 CSECTION Generator Battery Vent Fan Replacement
WARNING: This page is about a different variant/trim than selected.
Fig 1: View Of Generator Battery Vent Fan
GM1971862Courtesy of GENERAL MOTORS CORP.
Callout Component Name
WARNING: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
  • Identify how to disable high voltage.
  • Identify how to test for the presence of high voltage.
  • Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.

Failure to follow the procedures exactly as written may result in serious injury or death.

Preliminary Procedures

  1. Disable the high voltage at the drive motor generator battery. Refer to High Voltage Disabling .
  2. Remove the upper cover. Refer to Drive Motor Battery Case Upper Cover, Front Cover, and Right Side Cover Replacement .
  3. Remove the outlet ducts. Refer to Drive Motor Battery Cooling Air Outlet Duct and Front Air Outlet Duct Replacement .
1 Drive Motor Battery Cable Terminal Nut
CAUTION: Refer to Fastener Caution .

Tip:  Remove cable retainer from battery fan assembly.

Tighten:  5 N.m (44 lb in)
2 Generator Battery Vent Fan Bolt

Tighten:  6 N.m (53 lb in)
3 Drive Motor Generator Battery Cooling Blower Nut (Qty: 2)

Tighten:  6 N.m (53 lb in)
4 Generator Battery Vent Fan

Procedure:

  1. Disconnect the wiring connections.
  2. Lift off from the inlet duct housing.
  3. After vent van has been replaced, enable the HV system. Refer to High Voltage Enabling .
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:

  • • 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.