Chevrolet Trax: Front wheelhouse panel replacement
Removal Procedure
- Disable the SIR system. Refer to SIR Disabling and Enabling .
- Disconnect the negative battery cable. Refer to Battery Negative Cable
Disconnection and
Connection
NOTE: Sectioning of the front wheelhouse assembly is not
recommended. The
front wheelhouse service panel is serviced as a complete assembly, which
includes the upper front strut mounting surface. The upper strut mounting
surface is a dimensionally critical area.
- Remove the sealers and anti-corrosion materials from the repair area, as
necessary. Refer to Anti-
Corrosion Treatment and Repair (Base)
NOTE: Inspect the front of the cowl for damage. If the metal
surface is damaged,
the cowl panel must be repaired to restore the structural integrity of the
vehicle.
- Repair as much of the damage as possible.
![Fig. 15: Drilling Out All Factory Welds](images/manuals/4484/index519(5).gif)
Fig. 15: Drilling Out All Factory Welds
- Locate, mark, and drill out all factory welds (1). Note the number and
location of welds for installation of
the service assembly.
![Fig. 16: Front Wheelhouse](images/manuals/4484/index520(5).gif)
Fig. 16: Front Wheelhouse
- Remove the front wheelhouse (1) from the vehicle.
Installation Procedure
![Fig. 17: Plug Welds](images/manuals/4484/index521(5).gif)
Fig. 17: Plug Welds
NOTE: If the location of the original plug weld holes cannot be
determined, or if
structural weld-thru adhesive is present, space the plug weld holes every
40 mm (1 in).
- Drill 8 mm (5/16 in) plug weld holes as necessary on service part, in
the locations noted from the original
assembly (1).
- Clean and prepare the mating surfaces for welding, as necessary.
- Apply GM-approved weld-thru coating or equivalent to all mating
surfaces. Refer to Anti-Corrosion
Treatment and Repair (Base) .
![Fig. 18: Front Wheelhouse](images/manuals/4484/index522(5).gif)
Fig. 18: Front Wheelhouse
- Position the service front wheelhouse front panel to the vehicle (1).
Clamp the front wheelhouse in place.
![Fig. 19: Aligning Front Wheelhouse And Frame Structure](images/manuals/4484/index523(5).jpg)
Fig. 19: Aligning Front Wheelhouse And Frame Structure
- When the service assembly is correctly positioned, plug weld accordingly
(1).
- Measure frequently to ensure proper fit and alignment.
- Clean and prepare all welded surfaces.
- Apply the sealers and anti-corrosion materials to the repair area, as
necessary. Refer to Anti-Corrosion
Treatment and Repair (Base) .
- Paint the repaired area. Refer to Basecoat/Clearcoat Paint Systems .
- Install all related panels and components.
- Connect the negative battery cable. Refer to Battery Negative Cable
Disconnection and Connection .
- Enable the SIR system. Refer to SIR Disabling and Enabling .
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Removal Procedure
WARNING: Refer to Approved Equipment for Collision Repair Warning .
Disable the SIR system. Refer to SIR Disabling and Enabling .
Disconnect the negative battery cable. Refer to B
Removal Procedure
WARNING: Refer to Approved Equipment for Collision Repair Warning .
WARNING: Refer to Glass and Sheet Metal Handling Warning .
Disable the SIR System. Refer to SIR Disabling and En
Removal Procedure
WARNING: Refer to Approved Equipment for Collision Repair Warning .
WARNING: Refer to Collision Sectioning Warning .
WARNING: Refer to Glass and Sheet Metal Handling Warning .
Disa
SEE MORE:
Disassembly Procedure
WARNING: Refer to Brake Dust Warning .
WARNING: Refer to Brake Fluid Irritant Warning .
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
.
Remove the rear brake cylinder. Refer to Rear Brake Cylinder Replacement.
Fig. 52: Brake Cylinder Dust Seals
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptors
D