Jaguar XK water leaking issue due to warped plastic water jackets after high temperature on Jaguar XK

Some Jaguar XK owners report experiencing significant water leaking issues, primarily due to warped plastic water jackets after high temperatures, resulting in soaking wet carpets that persist despite professional repairs. These leaks are often traced back to failures in the thermostat tower and water pump, with the valley pipes being critical inspection points. Additionally, coolant leaks can occur from the temperature sender connection in the plastic manifold pipe, leading to damp problems that may render the vehicle unusable. A/C drainage issues in the passenger footwell can also contribute to water accumulation, necessitating attention to specific components like the condenser unit. Furthermore, the plastic pipes in the V shape are prone to brittleness and leaks, while incorrectly retrofitted parts can exacerbate the problem. Owners are advised to conduct water tests and utilize Ultra Violet lamps to locate leaks, as well as perform road tests under various conditions. Leaks may also arise from the seal on the thermostat housing and front cooling water pipe, especially when the engine is under pressure. Proper maintenance practices, such as greasing the water pump, are crucial to preventing coolant leaks. Seeking assistance from Jaguar specialists or reputable mechanics is recommended to effectively address these water leaking issues.