Coolant Hose A2125013925 For Mercedes W212

Replace the exhaust pipe of the auxiliary kettle as follows:

1. Open the drain screw of the cooling system and drain the coolant clean.

2. Dismantle the original exhaust pipe of the auxiliary kettle, and pay attention to keeping the surrounding parts intact.

3. Install the new water pipe correctly between the auxiliary kettle and the exhaust pipe to ensure that the joint is tight and leak-free.

4. Ensure that the water pipe is firmly fixed and will not shake or loosen.

5. Refill a proper amount of coolant to ensure the normal operation of the cooling system.

6.  Start the engine, check whether the new water pipe leaks or is abnormal, and ensure that the replacement work is completed and runs normally.