Mazda MX5 | Water Leak Detection Service

This Mazda 3 came to us because the customer found water in the boot and suspected there was a leak at the rear of the car.

This Mazda is showing the exact, same problem as on the last video with an MX5, which is that water leaks through the screws which attach the scuttle plate to the bodywork.

James shows the leaks from the scuttle area. There are two bolts which have a rubber washer which should seal them waterproof.

There are no surprises here, the door membranes are leaking. On a few cars the inner door membranes are moulded plastic panels, but on the vast majority of cars they are just a sheet of clear plastic held in place with a bead of heavy-duty sealant.

We suspected the rear light was leaking, this is possible if the rubber seal around it has perished.