thermostat

hi guys, need help once again can you tell me how to change a thermostat please im a first timer thanke Neil.

Mite help if u state what mota

sorry been a long long day 300 tdi

Cut & Past from the workshop manual but if you get your self a Haynes manual it's all it there and more

Partially drain cooling system, until coolant level
is below thermostat housing.
2. Disconnect hose from thermostat housing.
3. Disconnect electrical connections to water
temperature switch.
4. Remove outlet elbow.
5. Withdraw thermostat.
Test
6. Note rating of thermostat is 88°C. Place
thermostat in a container half full of water. Heat
water, observe temperature at which thermostat
begins to open. Thermostat is satisfactory if its
open between 85°C and 89°C.
Refit
7. Insert thermostat with jiggle pin/vent hole upper
most (12 o’clock position) .
8. Fit the outlet elbow and new joint washer.
Tighten to 28 Nm.
9. Reverse removal procedure. 1 to 3.
10. Check for coolant leaks around all connections
and joint faces.