Replace Coolant Temperature Sensor (Z 18 XE, with AC, Lhd) Opel Meriva A

1. 1. Open bonnet
2. 2. Drain coolant Warning: The cooling system is under pressure. Open the cover of the compensation tank carefully. • Place collecting basin underneath • Open coolant drain bolt (arrow)

3. 3. Remove engine cover. • Unscrew oil filler port cover • Unscrew 2x bolt • Screw on oil filler port cover
4. 4. Remove resonator air duct • Unscrew bolt (arrow)

5. 5. Detach 2x coolant hose • Upper coolant hose (3) – Release clamp • Preheater advance hose for throttle body module (1) – Release clamp
6. 6. Remove thermostat housing (4) • Detach coolant temperature sensor wiring harness plug (2). • Unscrew 2x bolt (arrows)

7. 7. Remove coolant temperature sensor • Remove coolant temperature sensor from housing
8. 8. Clean sealing surface • cylinder head
9. 9. Install coolant temperature sensor • Tighten coolant temperature sensor – Tightening torque 20 Nm
10. 10. Install thermostat housing • Renew gasket • Tighten 2 bolts – Tightening torque 20 Nm – Connect coolant temperature sensor wiring harness plug.

Note. Note dissimilar bolt lengths

11. 11. Attach 2 coolant hoses • Top part of radiator hose – Fasten clamp • Intake for throttle valve module preheater hose – Fasten clamp
12. 12. Insert resonator air duct • Tighten bolt
13. 13. Attach engine cover • Unscrew oil filler port cover • Tighten 2 bolts – Tightening torque 8 Nm • Screw on oil filler port cover
14. 14. Close coolant drain bolt
15. 15. Fill and bleed cooling system • Observe specified coolant quantity
16. 16. Close bonnet