Are rusty sills an MOT failure?
If a hole appears the rust will need to be repaired or the item replaced. The tester will also push the rusted area to test it for give. If there is too much give, the car will fail. The image, right, shows a rusted inner sill.
Are car sills structural?
The sills are a vital structural part of a unibody chassis, they provide strength and rigidity which is important in the event of an accident, this is why it’s been flagged up in the MOT.
Is stitch welding ok for MOT?
Acceptable methods of repair Show You can only pass spot welded repairs if the original panel was spot welded and the original panel or section has been removed. Stitch or plug welding can be used instead of spot welding. In all other circumstances, patch repairs must be continuously seam welded.
What rust will fail an MOT?
Rust is an MOT issue more generally, particularly for older cars. Excessive corrosion on safety-related parts, such as the steering and brakes, is a no-no, while rust within 30cm of these components may also result in a fail.
Can you fail MOT on bodywork?
Although bodywork is checked during the MOT test, it only matters if there’s excessive corrosion, sharp edges or damage to specific areas of the vehicle. So long as the door opens and closes properly, a dent in the wing won’t cause your car to fail.
Can you weld suspension arms for MOT?
Welded repairs to highly stressed components such as steering/suspension arms, rods, levers etc are not normally acceptable, other than where the component is made up of sections that are welded together. In these cases the repair should appear to be as strong as the original design.
How long does it take to weld a sill?
I gather removing the old sill, spot or puddle welding the new sill in place and finishing it (this is grinding/ sanding only, so excluding seam sealer, paint, rust treatment etc.) will take at least 5-6 hours (or at least two days if I do it!).