A Negative to a Positive | Land Rover Discovery Water Leak

This Land Rover Discovery came in for a water leak. The customer had come back from holiday to find a puddle in the passenger footwell -- it had been sitting there since September and had started to smell. They'd already taken it to a garage who resealed the windscreen, which didn't fix it. A Land Rover specialist had suggested the sunroof tray. They brought it to us for our water leak diagnosis.

While they were here, the customer asked about the scratches down the sides -- this Discovery had been doing what Discoverys do, working down narrow country lanes and collecting hedge marks. Gary walked round the car on camera going through the options: touch-in cosmetics for the worst scratches, leather repair for the seatbelt damage to the door trims (and some honest advice -- fix the seatbelt retraction first, or it'll just happen again), and alloy wheel refurbishment for the scruffy wheels.

Finding the leak

The Discovery has three sunroofs. Gary traced the source using UV dye, finding water coming down the A-pillar into the passenger footwell -- the front sunroof drainage pipes were blocked. Over time, the soft flexible pipes stiffen and shrink, making them prone to blockages. We replaced both front pipes with new ones, sucked the water out of the floor pans with a suction machine, and put the carpets on the drying machine for a full weekend to get them bone dry.

A second visit -- and a better solution

Three months later, the customer came back: wet carpet in exactly the same place. We checked our work -- the new pipes were still connected and seated correctly. The problem was pine needles. The car had been parked under a tree; the needles had collected along the sunroof channel, dropped into the cassette when the sunroof was open, and blocked the brand-new pipes all over again.

Simply unblocking them would be a temporary fix. So James designed a new drainage system using wider-bore pipes without the narrow connectors -- giving debris much less chance of causing a blockage. He also added a guard at the top of the pipe entry point. That's the kind of solution that comes from actually understanding the problem rather than just repeating the same repair.

While the car wouldn't start

At the end of the first visit, the Discovery wouldn't start. A recently-fitted alternator had failed -- completely unrelated to the leak, just one of those things. The AA were called and the car was collected on a transporter for dealer repair. These things happen.

The full transformation

With the leak sorted, the customer decided to take advantage of our special offer and transform the rest of the car. The paintwork was heavily scratched -- especially on the nearside from years of narrow-lane driving -- so it went through a six-stage machine polish: starting with a rotary for the deep work, finishing with a DA to avoid swirl marks. Then Matrix Black 8-Year Ceramic Coating went on top.

Ceramic coating is a particularly good choice for a country car. It won't stop every scratch from an overhanging branch, but it resists the kind of light marks you pick up brushing past hedgerows, keeps the car cleaner between washes, and makes the paintwork far easier to maintain. The customer told us this Discovery was going into semi-retirement -- but it's still a country car.

A car that came in as a problem left looking stunning. That's the whole point.