Mazda MX5 2008 | Water Leak Found (part 4)

Mazda MX5 2008 | Water Leak Found (part 4)
Jun
04
2021

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

However, over time this washer will perish and leak. The water then runs straight through into the driver's compartment and drips onto the cabin.


These washers need to be replaced with new ones, but what's interesting about this video is that it shows the rust. You can see on the passenger side that the bracket is rusted, but the bolt isn't. This because the bolt is a standard zinc coated bolt which is coated against rust, but most of the parts on the inside of the cabin are not coated with even paint as protection. There isn't supposed to be water in the cabin, so why rust-proof them?

The rust on that bracket isn't just because the water is running over it. If you have a leaky car you will notice that in the mornings the windows are steamed up, you find condensation over the cold glass. You don't see that water is condensing on every hard cold surface, this will include all the brass and copper electrical connectors on the wiring loom, switches, and interior lights.

Water can cause a host of problems, including that familiar damp smell that classic convertible cars are known for.

If we do get the go-ahead from the customer to work on this car, we will dry it, it has already been decontaminated. It would also be nice if we could give it a polish and a ceramic coating. A car like this can provide enjoyment for many years to come. 

We have been repairing leaks and drying cars for over 30 years 

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Up  to a third of the cost of your car was computers, processors and sensors. Delicate  electrical systems hidden under your carpets, which might now be sitting in water. 

 

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Mazda MX5 2008 | Water Leak Detection

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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.

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Mazda MX5 2008 | Water Leak Found (part 3)

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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.

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Mazda MX5 2008 | Water Leak Found (part 2)

Mazda MX5 2008 | Water Leak Found (part 2)
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We suspected the rear light was leaking, this is possible if the rubber seal around it has perished.

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Mazda MX5 2008 | Water Leak Found (part 1)

Mazda MX5 2008 | Water Leak Found (part 1)
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In this video, James is going to show the drainage system for the hard-top convertible version of the MX5.

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Mazda MX5 2007 | Water Leak Found | (Part 2)

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There are a couple of additional leaks we have found on this Mazda, both from around the windscreen.

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If you would like to have your car water leak investigated by the professionals, you can find out more on our car water leaks page.

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