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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 2) >> Installation Procedure

Installation Procedure

    Fig 1: Battery Hold Down And Battery Section
    GM2443601Courtesy 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. Connect the battery cell 2 to battery cell 3 hoses to battery cell 2 (4) and tighten the hose clamps (1) to 2 N.m (18 lb in).
    4. Fig 2: Clamps
    GM3766007Courtesy of GENERAL MOTORS COMPANY
  4. On both hoses joining cell battery 1 to cell battery 2, slide the hoses (3) onto battery cell 2 tubes tighten the clamps (1) to 2 N.m (18 lb in).
  5. Remove the EL 50325  High Voltage Battery Terminal Cover.
    6. Fig 3: Battery Interface Control Module
    GM2443594Courtesy of GENERAL MOTORS COMPANY
  6. Install the battery interface control module (1).
    7. Fig 4: Auxiliary Battery Wiring Harness
    GM2443582Courtesy of GENERAL MOTORS COMPANY
  7. Install the auxiliary battery wiring harness (1).
    8. Fig 5: Bus Bar And Battery Cable
    GM2443622Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

  8. Install the battery cable (2).
    9. Fig 6: Connector Housing And Fasteners
    GM2443556Courtesy of GENERAL MOTORS COMPANY
  9. Install the connector housing (2) and tighten the housing fasteners (1) to 9 N.m (80 lb in).
    10. Fig 7: Current Sensor And Fasteners
    GM2443365Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

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

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

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