11 53 000 Removing and installing/replacing coolant thermostat (N55) (X6 xDrive 35i, X6 sDrive 35i)
Special tools required:
- 17 2 050
Only perform this work after engine has cooled down.
Danger of injury!
Use only special tool 17 2 050 to lock and release spring strap.
Recycling
Observe country-specific waste disposal regulations.
Catch and dispose of drained coolant in a suitable container.
Attention!
Read and comply with NOTES FOR WORKING ON THE COOLING SYSTEM .
Protect plug connections against coolant and contamination.
Cover plug connections with suitable materials.
Necessary preliminary tasks:
- Drain COOLANT .
- Remove FAN COWL .
- Remove FRONT UNDERBODY PROTECTION .
- Place collecting vessel for coolant under engine compartment.
Disconnect plug connection (1).
Loosen hose clamps (2), detach coolant hoses from thermostat.
Unlock quick-action lock (3) and detach coolant hose from thermostat.
Unlock quick-action lock (4) and detach thermostat from radiator.
Remove thermostat (5) toward the top.
Assemble engine.
Observe capacities.
Installation note:
Check coolant hoses for cracks and damage.
Replace coolant hoses as required.
Recommendation:
On vehicles older than five years, replace coolant hoses.
Check function of cooling system.