How to Remove and Install the Coolant Pump Opel Astra H

Remove

1. 1. Open bonnet
2. 2. Unscrew coolant expansion tank closure cap
3. 3. Raise vehicle by its full height
4. 4. Detach the lower engine cover and right engine splash guard
5. 5. Drain coolant • Open drain bolt on radiator (1) • Collect coolant • Close drain bolt

6. 6. Release coolant pump drive gear (1) • Undo 3x bolts

7. 7. Remove ribbed V-belt • Apply tension to ribbed V-belt tensioner via bolt (1) in the direction of the arrow • Fix ribbed V-belt tensioner at bore (2) with KM-6130 • Remove ribbed-V-belt

Note. Mark direction of rotation

8. 8. Remove coolant pump drive gear • Unscrew 3 bolts
9. 9. Remove coolant pump (1) • Unscrew 5x bolts

Install

10. 10. Clean sealing surfaces.
11. 11. Install coolant pump • Replace gasket • Tighten 5x bolts 24 Nm
12. 12. Install coolant pump drive gear • Screw in 3x bolts
13. 13. Insert ribbed V-belt • Position ribbed V-belt – I. Ribbed V-belt without air conditioning – II. Ribbed V-belt with air conditioning • Apply tension to ribbed V-belt tensioner via bolt (1) in the direction of the arrow – Remove KM-6130

Note. Observe direction of rotation

14. 14. Fasten coolant pump drive gear • Tighten 3x bolt 16 Nm
15. 15. Install lower engine cover and right engine splash guard
16. 16. Lower vehicle by its full height
17. 17. Fill and bleed cooling system
18. 18. Close bonnet