Tools required to replace automatic transmission coolant pipes on a Mercedes:
* Set of keys
* Screwdriver set
* Wrench set
* Jack and stands
* Pliers
* Hose puller
* New set of automatic transmission cooling pipes
Instructions for replacing automatic transmission cooling pipes on a Mercedes:
1. Preparation:
* Place the vehicle on a level surface and set the parking brake.
* Disconnect the negative terminal of the battery.
* Raise the car using a jack and place it on secure stands.
2. Draining the automatic transmission coolant:
* Disconnect the lower radiator hose and drain the coolant into a suitable container.
* Tighten the lower radiator hose.
3. Removing old automatic transmission cooling pipes:
* Disconnect all electrical connectors from the cooling pipes.
* Use a hose puller to disconnect the automatic transmission coolant hoses from the tubes.
* Remove the bolts securing the cooling pipes to the gearbox and radiator.
* Remove old cooling pipes.
4. Installation of new automatic transmission cooling pipes:
* Install new cooling pipes in place.
* Bolt the pipes to the gearbox and radiator.
* Connect the automatic transmission cooling hoses to the tubes.
* Connect the electrical connectors to the cooling pipes.
5. Filling automatic transmission coolant:
* Fill in new automatic transmission coolant through the dipstick hole.
* Reinstall the dipstick and check the fluid level. Add coolant as needed.
6. Resetting fault codes:
* Connect the negative terminal of the battery.
* Start the engine and let it idle for a few minutes.
*Use a trouble code scanner to clear any fault codes that have been set.
7. Leak check:
* Check the system for leaks by starting the engine and inspecting all connections.
* If leaks are found, tighten the appropriate connections.
8. Completion:
* Lower the vehicle to the ground.
*Add coolant to proper level.
* Check the correct operation of the automatic transmission cooling system.