Your Austin Healey Sports engine control system detects a problem, the computer stores the diagnostic trouble
code U3639 in its memory.
To figure out what is wrong with your vehicle you must first extract the U3639 DTC For Austin Healey Sports.
Another consequence of U3639 Austin Healey Sports engine overheating may be a blown head gasket. Heat makes aluminum swell almost three times faster than cast iron. Thermal stress can distort the head and make it swell in areas that are hottest like those between exhaust valves in adjoining cylinders, and areas that have restricted coolant flow like the narrow area that separates the cylinders. The typical aluminum head swells most in the middle, which can crush the head gasket if the head gets too hot. This will usually cause the head gasket to leak compression between adjacent cylinders, or leak coolant into the cylinders.
U3639 Austin Healey Sports DTC Meaning
Network Code - Problem is climate control system, lighting, airbags, etc.
SAE - Generic
Vehicle Speed Control And Idle Control System
Low Coolant Circuit
A/C System High Pressure High Temperature
The U3639 Austin Healey Sports Check Engine lamp is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. U3639 diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks U3639 DTC For Austin Healey Sports with your car's computers to find out exactly what's prompting the light to turn on.