Automatic Transmission Fluid (ATF) Condition Inspection
WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the ATF for the following to determine whether the transmission should be disassembled.
- The ATF is muddy.
- The ATF smells strange or unusual.
ATF CONDITION DESCRIPTIONCondition Possible Cause Clear dark red Normal - Light red (pink) Contaminated with water - Damaged oil cooler inside of the radiator
- Poor filler tube installation:
Reddish brown Has burnt smell and metal particles are found Deteriorated ATF Defective the powertrain components inside the transmission:
Particles cause wide range of problems by plugging up in oil pipe, control valve body and oil cooler in radiator.- When large amount of metal particles are found, overhaul the transmission and inspect for defective parts.
If necessary, replace the transmission.
- Implement flushing operation as there is a possibility to have particles plugging up the oil pipe or oil cooler inside the radiator.
Has no burnt smell Normal - Discoloration by oxidation