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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 287 (HYBRID ENERGY STORAGE SYSTEM)REPAIR INSTRUCTIONSDRIVE MOTOR BATTERY CURRENT SENSOR REPLACEMENT
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Drive Motor Battery Current Sensor Replacement

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Drive Motor Battery Current Sensor Replacement
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Drive Motor Battery Current Sensor
GM1869656Courtesy 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 and right cover. Refer to Drive Motor Battery Case Upper Cover, Front Cover, and Right Side Cover Replacement .
  3. Remove the drive motor battery positive relay cable. Refer to Drive Motor Battery Positive Relay Cable Replacement .
1 Drive Motor Battery Cable Terminal Nut
NOTE: Refer to Fastener Notice .

Tighten:  5 N.m (44 lb in)
2 Drive Motor Battery Positive Relay Cable Assembly
3 Drive Motor Battery Sensor Bracket Bolt (Qty: 2)

Tighten:  5 N.m (44 lb in)
4 Drive Motor Battery Current Sensor Bolt (Qty: 2)

Tighten:  2 N.m (18 lb in)
5 Drive Motor Battery Current Sensor Bracket
6 Drive Motor Battery Current Sensor Assembly
Procedure:: 
After the current sensor assembly has been replaced and the re-assembly of the drive motor generator battery, enable the HV system. Refer to High Voltage Enabling .
RENDER: 1.0x

NO RELATED

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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.