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Removal & Installation (2.2L - Cavalier - CNG)

  1. Disconnect negative battery cable. Remove front fender liner as required to access bolts from front fascia to fender. Remove front fascia to fender bolts. Remove push-in retainers from top and center of fascia. Remove push-in retainers from bottom of fascia. Remove front bumper fascia from vehicle.
  2. Remove AF ECU relay bracket bolt and relay bracket. See Fig 1. Remove AF ECU. Disconnect electrical connectors from AF ECU. Remove nuts from ECU bracket studs and remove bracket.
  3. Install AF ECU mounting bracket to mounting studs using stud nuts. Tighten mounting stud nuts to 89 INCH lbs. (10 N.m). Tighten AF ECU relay bracket bolt to 89 INCH lbs. (10 N.m). To complete installation, reverse removal procedure.
Fig 1: Locating CNG Components
G00070996Courtesy of GENERAL MOTORS CORP.
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