Stages of flushing an automatic transmission (automatic transmission)

Materials and tools:

* Transmission fluid (ATF) is the same type used in automatic transmissions
* Flushing fluid for automatic transmission
* New automatic transmission oil filter
* Keys or screwdrivers for removing the automatic transmission pan
* Clean funnel
* Liquid drain tube
*Gloves and safety glasses

Safety:

* Let the vehicle cool down before starting work.
* Ensure good ventilation as flushing fluids may be harmful.
* Wear gloves and safety glasses to protect against liquids and splashes.

Steps:

1. Preparation:

* Raise the car on a lift or use jacks and stands.
* Find the automatic transmission pan. It is usually located at the bottom of the automatic transmission.
* Clean the area around the tray of dirt and debris.

2. Draining old ATF:

* Remove the automatic transmission pan drain plug. The liquid will begin to pour out.
* Allow the liquid to drain completely into the container.
* Install a new drain plug with a new gasket. Tighten the plug to the recommended torque.

3. Removing the automatic transmission pan:

* Unscrew the bolts or screws securing the automatic transmission pan.
* Carefully remove the pan, being careful not to damage the gasket.
* Drain the remaining liquid from the pan.

4. Cleaning the pan and automatic transmission filter:

* Clean the automatic transmission pan from old gasket, dirt and sawdust.
* Replace the automatic transmission oil filter with a new one.

5. Installing the automatic transmission pan:

* Install a new automatic transmission pan gasket.
* Apply sealant to the gasket if recommended by the manufacturer.
* Install the automatic transmission pan and tighten the bolts or screws to the recommended torque.

6. Filling the automatic transmission with new ATF:

* Fill the automatic transmission with new ATF through the fluid filling tube.
*Check the ATF level using the ATF dipstick. The level should be between the ‘MIN’ and ‘MAX’ marks on the dipstick.

7. Starting the engine:

* Start the engine and let it idle for a few minutes.
* Shift the gear selector to all positions to pump new ATF through the automatic transmission.

8. Repeated draining and filling of liquid:

* Turn off the engine and drain about half of the fresh ATF as in step 2.
* Add the same amount of new automatic transmission fluid.
* Start the engine and let it idle for 15-20 minutes.
* Shift the gear selector to all positions several times.

9. Final draining, rinsing and filling:

* Turn off the engine and drain the flushing fluid again.
* Fill with fresh ATF and check the level using the dipstick.
* Start the engine and let it idle for another 15-20 minutes.
* Shift the gear selector to all positions.

10. Checking ATF level and adjusting:

* Check the ATF level using the dipstick.
*Add fluid as necessary to maintain level between ‘MIN’ and ‘MAX’ marks.

11. Resetting the fluid aging counter:

* On some vehicles, it is necessary to reset the automatic transmission fluid aging counter after flushing. Consult your vehicle’s owner’s manual for details.

12. Test drive:

* Take a short test drive to check the operation of the automatic transmission.
* Listen for unusual noises or vibrations that may indicate problems.

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