Remove the upper part, pull the expansion tank up.
Late car models
Withdrawal
Remove the expansion tank cap.
Attention: When the engine is hot, cover it with a thick cloth before removing the cover to prevent burns from hot coolant or steam. Remove the cap only when the coolant temperature is less than 90°C.
Loosen the air bleed screw (1) and bolts (2).
Installation
Replace o-rings (arrows).
Insert the expansion tank, install the upper part and tighten the bolts of its fastening and the air bleed bolt.
Fill with coolant and bleed air from the cooling system.
Warm up the engine and check the connections for tightness.
M70 Series Engine Expansion Tank
1 - expansion tank;
2 - cover;
3 - sensor-switch for monitoring the level of the coolant;
4 - air outlet pipeline;
5 - pipeline;
6 - nut;
7 - pipeline.