Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install the 3 left transaxle bracket and bolts.

    Tighten:Β  Tighten the transaxle bracket bolts to 80 N.m (59 lb ft).

  2. Install the left transaxle mount and the 4 bolts.

    Tighten:Β  Tighten the left transaxle mount bolts to 52 N.m (38 lb ft).

  3. Install the transaxle mount through bolt.

    Tighten:Β  Tighten the transaxle mount through bolt to 80 N.m (59 lb ft).

  4. Remove the engine support fixture.
  5. Install the air cleaner box.
  6. Install the 3 air cleaner box bolts.
  7. Install the air filter.
  8. Install the air cleaner hose and cap assembly.
  9. Install the IAT sensor.
  10. Connect the IAT connector.
  11. Install the battery tray and battery. Refer to Battery Replacement in Engine Electrical.
  12. Install the hold down bracket.
  13. Install the hold down bracket bolt and nut.

    Tighten:Β  Tighten the hold down bracket bolt and nut to 12 N.m (106 lb in).

  14. Install the positive and negative battery cables.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.