I-CAR Structural case studies

I-CAR Structural · Put your knowledge to work in context.

The I-CAR Structural credential is a professional qualification for collision repair technicians who work on a vehicle's structural components rather than bolt-on panels. It signals that a technician can inspect and analyze structural damage, interpret vehicle construction and repair terminology, measure and fixture a vehicle back to specification, and perform the welding, sectioning, and panel-replacement operations that structural repair requires. The I-CAR Structural case studies are 5 cases and about 2,005 words.

Left Front Rail Decision on a Boron-Reinforced Unibody

2021 unitized compact SUV with a 40-mph left-front offset impact. The left front rail is 1.8-mm boron-alloyed UHSS; the strut tower is 8 mm rearward and 6 mm inboard, and the apron has a 70-mm tear.

452 words, about 2 min 2

Spot Weld Quality When Joining Coated and Thin-Gauge Steel

2019 unitized sedan is having its left rear rail extension replaced. The new extension is 1.2-mm HSLA 350, and it is joined to the existing 0.8-mm galvanized wheelhouse with squeeze-type resistance spot welds.

402 words, about 2 min 3

Multi-Pull Sequence for a Diamond in a Unitized Sedan

2018 unitized sedan with a right-rear 35-mph impact. The right rear rail is 22 mm short, the left rear rail is 4 mm short, and the rear crossmember is shifted 12 mm to the right.

415 words, about 2 min 4

Rivet-Bonded Aluminum Quarter Panel Replacement

Aluminum-bodied SUV with a damaged right quarter panel. OEM procedure requires a two-part structural adhesive with a 45-minute open time at 23°C and self-piercing rivets every 40 mm, followed by clamping for 4 hours and a 24-hour cure.

379 words, about 2 min 5

Corrosion Protection After Rear Rail Sectioning

2020 minivan rear rail sectioned at the OEM location and MIG-welded with 0.8-mm wire. The e-coat is burned back about 30 mm on each side of the weld, seam sealer was removed over a 300-mm length, and the interior cavity is accessible only through a 25-mm hole.

357 words, about 2 min