Weld-Through Primer Guidelines: Subaru
Weld-through primers are generally a zinc-based product that are applied to the mating surfaces prior to welding. Corroding zinc forms zinc oxide which protects the steel. This is called sacrificial corrosion. For a quality weld to be made it’s required that the weld-through primer be removed from the direct weld zone before welding the joint when GMA welding. Many OEMs have a position on when and how to use weld-through primer or when it shouldn’t be utilized. Let’s see what Subaru recommends and where this information can be found.
Subaru does not specify whether to or not to use weld-through primer in their body repair manuals.
Use the vehicle-specific body repair manuals to determine which type of welding is required for the repair you are performing. Failure to follow OEM procedures will sacrifice the safety and quality of the repair.
For additional Subaru information, check out the Subaru OEM Information page.
Additional I-CAR Collision Repair News you may find helpful:
- Step-By-Step: Accessing Subaru Repair Information
- Weld-Through Primer Guidelines
- Welding And MIG Brazing Hotspot
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