Yes, in most cases the automatic transmission filter can be washed. However, some manufacturers do not recommend washing the filter and instead require it to be replaced. If you decide to wash the filter, follow these instructions:
Materials:
* Automatic box filter
* Solvent or flushing fluid for automatic transmission
* Clean rags or paper towels
* Gloves
Instructions:
1. Remove the filter. Follow the manufacturer’s instructions for removing the transmission filter. Be careful not to spill transmission oil.
2. Disassemble the filter. Disassemble the filter according to the manufacturer’s instructions. This usually involves removing o-rings or other fasteners.
3. Rinse the filter. Wet the filter with solvent or transmission fluid. Gently wipe the filter with a clean rag or paper towels to remove dirt and deposits. Do not use brushes or abrasives as they may damage the filter.
4. Rinse until the solvent is clear. Continue rinsing the filter until the solvent or rinsing fluid is clear.
5. Dry the filter. Allow the filter to air dry completely.
6. Assemble the filter. Reassemble the filter in the reverse order of disassembly. Replace any O-rings or fasteners with new ones as necessary.
7. Install the filter. Install the filter into the transmission according to the manufacturer’s instructions.
8. Fill with oil. Fill the transmission with new transmission oil according to the manufacturer’s recommendations.
Cautions:
* Always follow the manufacturer’s instructions for flushing or replacing the automatic transmission filter.
* Do not wash the filter if it is heavily soiled or damaged.
*Use only approved solvents or transmission fluids.
*Be sure to let the filter dry completely before installing.
* Beware of hot transmission oil and protect your hands with gloves.