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Which Parts Should Be Cut When Repair Tesla Model 3 Rear Fenders?

Today, let’s delve into the connection process of the door pillars and covers of the TESLA MODEL 3 and the cutting of the rear fenders.

First, let’s understand the structure of the door pillars A, B, and C in vehicles. Typically, these pillars consist of 2 or 3 layers of steel plates. A 2-layer structure comprises 1 structural component and 1 cover, while a 3-layer structure consists of 2 structural components and 1 cover.

The outermost layer, known as the side panel, covers the door pillars. The connection between the structural components and covers depends on the material of the parts. Steel components are usually spot welded, while aluminum alloy components are self-piercing riveted. Some vehicles employ a combination of both methods.

In the case of the TESLA MODEL 3, the brown-colored parts represent the covers, or side panels. Notice the polished area on the door pillar edges in the image. These areas indicate spot welding, while the areas without polishing suggest self-piercing riveting.

The self-piercing riveting locations are outlined in red dashed boxes in the image, primarily found at the C-pillar and the bottom of the triangular glass.

The connection methods for the door pillars of the TESLA MODEL 3 include spot welding, predominantly used, and self-piercing riveting, mainly at the C-pillar and bottom of the triangular glass.

After understanding the door pillar connection process, let’s shift our focus to the cutting of the rear fenders.

Observe the structure of the TESLA MODEL 3’s rear fenders. Notably, the triangular windows are positioned on the rear fenders rather than the rear doors.

Opening the trunk of the TESLA MODEL 3, you’ll notice that the rear of the triangular glass aligns perfectly with the rear of the trunk lid.

This positioning determines the primary cutting locations for the rear fenders, mainly around the triangular glass.

There are two cutting methods for the TESLA MODEL 3’s rear fenders: one involves not removing the rear windshield glass, and the other involves removing it. The choice depends on the extent of damage to the rear fender.

Let’s examine a real case of rear fender cutting on a TESLA MODEL 3:

  1. Cutting location 1: Front portion of the C-pillar triangular glass

The image clearly shows the demarcation between spot welding and riveting, with the circled points indicating the rivet positions.

Cutting location 2: Connection between the rear of the triangular glass and the rear fender edge.

This cutting position doesn’t require removing the rear windshield glass but is rather concealed. It’s difficult to detect any issues here, making identification challenging.

Cutting location 3: Bottom edge of the threshold.

This cutting location is not fixed and depends on the extent of damage and repair technician preference. It’s a favorable position due to its concealed nature.

Finally, let’s examine the most common cutting method for the TESLA MODEL 3’s rear fenders.

Due to the unique structure of the TESLA MODEL 3’s rear fenders, the cutting process remains discreet, making identification difficult without prior knowledge. Additionally, the two connection methods for the door pillars further complicate identification efforts.

In this article, we discussed the intricate details of repairing Tesla Model 3 rear fenders, highlighting the specific areas that should be cut during the repair process. We emphasized the importance of precision and strategic cutting to ensure effective repair while preserving the structural integrity of the vehicle.
If you require Tesla body sheet metal services, feel free to reach out to us anytime. Our expertise and attention to detail ensure quality repairs for your Tesla vehicle.

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Hi, I'm Lina. Co-founder of ALSETTE.
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We focus on manufacturing metal exterior aftermarket parts for Tesla from China.
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