How To Repair F450 6.4 From Cover And Oil Pan Leak

Information about rebuild manual GM 6L45 /fifty, 6L80 /xc

6L 45/6L 80 is a compact, hi-tech and reliable transmission, which features an automated control over near of gearbox functions. This improves both acceleration performance and fuel economy.

When properly operated and regularly maintained, this gearbox is able to reach the point over 200 000 km before the overhaul.

Proper maintenance means, first of all, regular ATF changes every l 000 km. It is strongly recommended to use 18-carat filters and high-quality ATF only.

6L45/50 and 6L80/xc Transmission Problems

Otherwise, malfunction of the valve body and its solenoid valves is virtually likely because of contamination by products of the wear. This is the main reason to repair 6L 45/6L 80 gearbox, which is caused past manual overheating and oil starvation.

Other valve body problems may occur at the mileage of 300 000 km. The most typical symptoms of the malfunction are vibrations, grinding noise, strikes and transmission slipping at the gear shifting. In some cases, engine fully stops while engaging from «Parking» to «Bulldoze» modes. Also, problems with cable harnesses (which connects sensors with the central processor) are possible.

Rarely, at greater mileages friction and steels breakages can happen. This requires the expensive gearbox overhaul, which is very expensive.