BMW 850CSi Trans Leak Inspection Cost
How Much Does a Trans Leak Inspection Cost?
Trans Leak Inspection Service and Cost
Transmissions are responsible for receiving power from the engine, and sending that power to the driveshaft or axles at the requested speed. The automatic transmission adjusts automatically to driving demands, and keeps the engine running in an optimum range for a given speed.
Automatic transmissions use the rotational force supplied by the engine to pump pressurized automatic transmission fluid (ATF) through many components, resulting in the transmission selecting the appropriate gear for vehicle speed and power demand. Power is typically transferred through sets of clutches or bands, and different clutches or bands being engaged or released will change the gear. ATF lubricates these clutches and bands, while still allowing them gripping force.
Driving with a transmission fluid leak is not recommended as the amount of transmission fluid that is lost cannot be calculated while driving, and the leak may become larger while driving. For many small leaks, or seepage, the vehicle may be driven to the repair facility. However, a moderate to large leak should not be driven. Besides pouring transmission fluid onto the ground, the vehicle may suffer transmission failure from lack of lubrication, also called oil starvation.
Automatic transmission leaks are most common to high mileage transmissions which are in poor condition due to neglected maintenance. Performing factory maintenance on schedule is the best way to help prevent transmission failure. The transmission oil pan gasket is the most common leak to find on a transmission, and this leak is addressed as part of the regular automatic transmission service. Since each manufacturer may set different service intervals, check the owner's manual for information that applies to your specific vehicle. This is the best way to get accurate information, and keep your vehicle running like new.
Trans Leak Inspection Repair Information
When any transmission symptoms are present, the technician will first conduct a visual inspection of the vehicle and note any observed issues. If the transmission issue is related to a leak on the transmission, inspection of the transmission will reveal the source of the leak. Once the suspected component(s) have been resealed or replaced, the transmission will be inspected once again. Failed transmission seals and gaskets are typically the most suspect with a transmission leak.
Fixing a transmission seal or gasket can be very easy, but may require disassembly of many components or even transmission removal. This can involve lowering the transmission, removing the transfer case, or removing the exhaust to access the driveshaft. If significant fluid loss is noted, a transmission fluid drain and fill will be recommended.
We recommend against any products that claim to stop transmission fluid leaks. These products can create blockage in fluid passages, and clog transmission fluid filters. Either of these can lead to internal damage. It is better to have the leak repaired correctly.
There are many types of transmission fluids, and they are not typically interchangeable. Consulting the owner's manual for your vehicle is the best way to ensure you have the correct fluid for your transmission. If improper transmission fluid is added, the resulting damage could be severe.
Finding and diagnosing transmission leaks can be tricky, but is something most people can do on their own. Repairing the leak may require advanced knowledge and specialty tools. If the transmission leak necessitates disassembly of the transmission, the job will be better left in the hands of a certified mechanic.