What kind of metal was in my transmission pan?
What kind of metal was in my transmission pan?
Today I changed my transmission filter and fluid and found about a tablespoon of very fine silvery colored metal and about a dozen shards of metal ranging in size from an 1/8 of an inch to a half an inch long. Before the change my fluid was pretty black, possibly from oil contamination and my tranny wasn’t going into reverse.
What to look for in a transmission oil pan?
Metal shavings: Metal-colored shavings found in the bottom of the oil pan indicate chipped or worn gearset teeth. Sometimes a piece of casting slag can be found on the first inspection of a new transmission. Black pieces: Black pieces indicate worn clutch or band friction material. It is normal to find fine particles, especially around the magnet.
What do black pieces on transmission pan mean?
Sometimes a piece of casting slag can be found on the first inspection of a new transmission. Black pieces: Black pieces indicate worn clutch or band friction material. It is normal to find fine particles, especially around the magnet. Its job is to attract metal particles circulating in the transmission fluid.
What causes metal shavings in transmission oil pan?
Metal shavings: If metal colored shavings are found in the bottom of the pan suspect chipped or worn gearset teeth. This can also be caused by worn parts like washers, bushings, and springs used to assemble the transmission. Sometimes a piece of casting or slag can be found upon the first inspection of a new transmission.
Today I changed my transmission filter and fluid and found about a tablespoon of very fine silvery colored metal and about a dozen shards of metal ranging in size from an 1/8 of an inch to a half an inch long. Before the change my fluid was pretty black, possibly from oil contamination and my tranny wasn’t going into reverse.
What causes metal shavings in a transmission pan?
That being said, a certain amount of metal shavings in the pan on an older car are to be expected. Automatic Transmissions do wear out and the magnet is installed in the bottom of the pan for a reason. All transmissions will have metal shavings. It is only when they are very large or you have an excessive amount that should worry you.
What causes a transmission pan to disintegrate?
You are running on borrowed time with it and will need to consider getting another one or rebuilding this one. Contaminated fluids can sometimes cause the friction material in the clutches to disintegrate, but that shows up as dark, milky, or thick fluid and fibrous paper like chunks in the pan.
What’s the best way to replace a pan?
The best way is to drop the pan and replace the filter, pan gasket and the fluid lost in dropping the pan. Do not “flush” the fluid out. Replacing all the ATF (flushing) can actually hasten damage because of the detergents and conditioners in the new fluid. Plus “flushing” is more correcting applied to your wallet.
