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Home >> Cadillac >> 2016 >> ELR >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Battery Management Systems >> Hybrid/EV System Energy Storage >> Repair Instructions >> Cell Battery Replacement (Section 1) >> Installation Procedure

Installation Procedure

    Fig 1: Battery Hold Down
    GM2443461Courtesy of GENERAL MOTORS COMPANY
  1. Position the battery cell (4) on the trace markings inscribed from the battery cell removal step.
    2. CAUTION:

    Refer to Fastener Caution .

  2. Install the battery hold down (3) and tighten the hold down fasteners (2) to 9 N.m (80 lb in).
    3. Fig 2: Clamps
    GM3766007Courtesy of GENERAL MOTORS COMPANY
  3. Slide the hoses (3) onto battery cell 2 (2) tubes and tighten the clamps (1) to 2 N.m (18 lb in).
  4. Remove the EL 50325  High Voltage Battery Terminal Cover
    5. Fig 3: Battery Interface Control Module
    GM2443371Courtesy of GENERAL MOTORS COMPANY
  5. Install the battery interface control module (1).
    6. Fig 4: Auxiliary Battery Wiring Harness
    GM2443374Courtesy of GENERAL MOTORS COMPANY
  6. Install the auxiliary battery wiring harness (1).
    7. Fig 5: Bus Bar And Fastener
    GM2443382Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Critical high voltage fastener. Perform second torque verification following re-assembly.

  7. Install the bus bar (2) and tighten the bus bar fastener (1) to 9 N.m (80 lb in).
    8. Fig 6: Current Sensor And Fasteners
    GM2443365Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Critical high voltage fastener. Perform second torque verification following re-assembly.

  8. Install the current sensor (2) and tighten the current sensor fasteners (1) to 9 N.m (80 lb in).
    9. Fig 7: Battery Energy Control Module Wiring Harness
    GM2443350Courtesy of GENERAL MOTORS COMPANY
  9. Install the battery energy control module wiring harness (1) and connect the electrical connectors.
    10. Fig 8: Bus Bar Fasteners And Battery Cable
    GM2443386Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Critical high voltage fastener. Perform second torque verification following re-assembly.

  10. Install the battery cable (2) and tighten the bus bar fasteners (1) to 9 N.m (80 lb in).
  11. Install the drive motor battery junction block relay. Refer to Drive Motor Battery Wire Junction Block Relay Replacement .
  12. Perform the hybrid battery pack coolant passage leak test. Refer to Hybrid Battery Pack Coolant Passage Leak Test .
  13. Perform the cell battery balancing (Section 1). Refer to Hybrid/EV Battery Cell Balancing .
  14. Enable the high voltage system. Refer to High Voltage Enabling .
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