Topical note | Notes on coolant | ||
| Check | ||
1 | Check all coolant lines and coolant hoses for leak tightness and condition. | ||
2 | Check coolant expansion reservoir for leak tightness and condition. | ||
Replace | |||
3 | Adjust heating system in vehicle interior to maximum heating output. | ||
4 | Replace coolant. | ||
| Engine 622.8 | ||
| Engine 274, 622.9, 651 | ||
| Engine 654 | ||
Flush out old coolant and corrosion residue completely; repeat procedure if necessary. | |||
If strong soiling is present, | |||
| |||
Clean engine cooling system. | |||
After obtaining special order. | |||
5 | Confirm replacement of coolant in maintenance booklet or in Digital Service Booklet (DSB). |
Referenced documents
- ah2000n208001a Notes on coolant
- ap0020s0051e All lines and hoses, sensor cables - Check leaktightness and condition
- ap0020s0052e Check leaktightness and condition of all containers, devices, shock absorbers, covers, boots, protective caps
- ar2000s1140e Drain coolant, fill up and check cooling system for leaks
- ar2000s1142e Drain/pour in coolant
- ar2000s1142eh Drain/pour in coolant