1.4 MPI engine (EA111) · Cooling · Parts of cooling system
Parts of cooling system, engine side – assembly overview and fastening
Thermostat side
- 1 Union
- 2 Self-tapping bolt, 9 Nm
- 3 O-ring
- 4 Thermostat
- Functional check: heat thermostat in water. The pin of the thermal element must move out.
- 5 To heat exchanger
- Connection diagram for coolant hoses ⇒ 1.5 Connection diagram for coolant hoses
- 6 From expansion tank
- Connection diagram for coolant hoses ⇒ 1.5 Connection diagram for coolant hoses
- 7 Thermostat housing
- 8 From heat exchanger
- Connection diagram for coolant hoses ⇒ 1.5 Connection diagram for coolant hoses
- 9 Coolant pipe
- Connection diagram for coolant hoses ⇒ 1.5 Connection diagram for coolant hoses
- 10 Sealing ring
- Renew
- 11 Coolant pump housing on cylinder block
- 12 Retaining clip
- Check for firm seating
- 13 10 Nm
- 14 Plugs
- Before removing, release pressure in cooling system if necessary.
- 15 Radiator outlet coolant - G62-
- Before removing, release pressure in cooling system if necessary.
- 16 Retaining clip
- Check for firm seating
- 17 Self-tapping bolt, 6 Nm
- 18 Bracket
- 19 To bottom of radiator
- Connection diagram for coolant hoses ⇒ 1.5 Connection diagram for coolant hoses
- 20 From top of radiator
- Connection diagram for coolant hoses ⇒ 1.5 Connection diagram for coolant hoses
Coolant pump side
- 1 Main drive toothed belt
- Mark direction of rotation before removing
- Check for wear
- Do not kink
- Toothed belt routing ⇒ 1.3 Assembly overview - part II, cylinder block.
- Removing, installing and tensioning ⇒ 1.3 Removing, installing and tensioning toothed belt.
- 2 Coolant pump
- Check for ease of movement.
- If damaged or leaking, renew complete.
- Removing and installing ⇒ 1.8 Removing and installing coolant pump
- 3 10 Nm
- 4 Rear toothed belt guard
- 5 Toothed belt guard upper part
- 6 Toothed belt guard lower part
- 7 Belt pulley
- When installing note fixing arrangement.
- Removing and installing poly V-belt ⇒ 1.4 Removing and installing poly-V belt
- 8 Securing bolt
- Note tightening sequence ⇒ 2.4 Poly V-belt pulley securing bolt tightening procedure.
- Renew
- Coat with oil before inserting
- Secure belt pulley against turning with counterhold - 3415-.
- Turning further can be done in several stages.
- The turning further angle can be measured with a commercial protractor.
- 9 12 Nm
- Renew
- 10 50 Nm
- Not installed for engine code CGGB
- 11 Idler roller
- Not installed for engine code CGGB
- 12 20 Nm
- 13 Crankshaft pulley
- When installing note fixing arrangement.

