Here's a quick tip on avoiding problems making a cut at the top of the B-Pillar. The seatbelt height adjuster is another reason that you should always peel off the interior trim prior to making a cut.
The seat belt height adjuster can be found on the B-pillar and even the C-pillar depending on the type of vehicle. Much like a seat track adjuster, the seat belt height adjuster works in the say way. However, the difference between the two is the thickness of the track. A typical seat track that mounts to the floor is around 1.6MM thick. The typical seat belt height adjuster is 3.0MM thick or thicker. At 3.0MM thick, that part is made from blank steel and not rolled steel like most sheet metal parts. Always try to avoid cutting the seat belt height adjuster. With today’s strong B-pillars, you add a 3.0MM thick part to your cut and you could break the blades on the cutter or stall the cutter out. Below is a look at where the height adjuster is typically located and hidden from us.