Aura L4-2.4L (2008)
7. Remove the upper plenum panel.
Installation Procedure
Important: If you cannot determine the location of the original plug weld holes, space the plug weld holes every 40 mm (11/2 in) apart.
1. Drill 8 mm (5/16 in) plug weld holes in the service part as necessary in the locations noted from the original panel.
2. Prepare all mating surfaces as necessary.
3. Apply GM-approved Weld-Thru Coating or equivalent to all mating surfaces. Refer to Anti-Corrosion Treatment and Repair ().
