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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 402 (DOOR LOCK SYSTEM AND DOOR HANDLES)REPAIR INSTRUCTIONSFRONT SIDE DOOR LOCK REPLACEMENT
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Front Side Door Lock Replacement

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Front Side Door Lock Replacement
WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Front Side Door Lock
GM1477690Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedures

  1. Remove the front side door trim panel. Refer to Rear Side Door Trim Panel Replacement or Front Side Door Trim Panel Replacement .
  2. Remove the front side door water deflector. Refer to Front Side Door Water Deflector Replacement or Rear Side Door Water Deflector Replacement .
1 Front Side Door Lock Screw (Qty: 2)
CAUTION: Refer to Fastener Caution .

Tighten:  9 N.m (80 lb in)
2 Front Side Door Lock Assembly
Tip: 
  1. Raise the window to the full up position.
  2. The following items will need to be disconnected for removal and reconnected for installation:
    • Lock cylinder rod
    • Outside handle lock rod by opening the clip
    • Lock assembly electrical connector
  3. Remove the lock assembly from the door with the inside handle cable assembly attached.
3 Front Side Door Inside Handle Cable
Tip:  Transfer the cable to the new lock.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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.