Information on corrosion protection can be found in the vehicle-specific body repair manuals, on both the free and pay service information websites. Here there are documents listing what products are required, along with when and how to apply the corrosion protection. Per the FCA/Stellantis repair manual: “Corrosion protection must be restored during a repair anytime it may have been compromised. All areas that have been subjected to structural pulls, clamping, straightening, welding, or any other any other operation that may have imparted damage to the corrosion protection system will need to be addressed.” FCA/Stellantis also has a procedure in certain repair manuals for how to remove NVH foam prior to doing repairs in that area, due to its’ flammable nature. Examples of vehicles with this procedure are the 2017 Chrysler Pacifica and the 2017 Jeep Cherokee.

FCA/Stellantis specifies several different products for restoring corrosion protection. Some products that are recomended by FCA/Stellantis are as follows:

• Structural adhesive – Lord Fusor 2098, LORD Fusor 112B, or 3M 08116
• Anit-flutter foam – Mopar 04864015AB, LORD Fusor 121, 3M 04274, or equivalent
• NVH foam – Mopar 05142864AA, LORD Fusor 130, or 3M 8463
• Seam sealer – Mopar 04318026, LORD Fusor 129, or 3M 08308
• Cavity wax – Mopar 68042970AA or 3M Rustfighter 08891
• Undercoating – Mopar 05093417AA or equivalent

Per the FCA/Stellantis repair manual: “If it is unclear whether the original sealing material between the flanges is strictly a sealer or structural adhesive, always default to a structural adhesive”. “All hem flanges on closure panels should be sealed whether sealer is apparent or not. This includes those disturbed during the repair, and those on new replacement panels. Either duplicate the existing bead in shape or size, or where one is not obvious, seal the hem flange in a discrete fashion.”

FCA/Stellantis has enhanced the most recent body repair manuals (BRM) with color coordinated diagrams to help technicians easily identify what adhesives, foams, and seam sealers goes where during repairs. The enhanced graphics are labeled as followed:

• Structural Adhesive – Red
• Anti-Flutter Adhesive – Green
• Seam Sealer – Blue

Always follow OEM repair procedures for all repairs. Failure to follow corrosion protection guidelines can lead to premature failure on a repair. Using the proper corrosion protections will ensure a complete, safe, and quality repair.

For additional FCA/Stellantis information, check out the following pages:
Alfa Romeo OEM Information
Chrysler OEM Information
Dodge OEM Information
Fiat OEM Information
Jeep OEM Information
RAM OEM Information

Related I-CAR Courses

Course Corrosion Protection

Course Fiat Chrysler Automobiles (FCA) Collision Repair Overview

Course Seam Sealer