vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

Thermostat, Remove and Install > < Thermostat, Remove and Install

Coolant flange, remove and install

  Remove

1.   Open bonnet
2.   Disconnect battery
•   Detach earth connection from earth terminal
Slacken nut
3.   Raise vehicle by its full height
4.   Place collecting basin underneath.
5.   Drain coolant
•   Place collecting basin underneath.
•   Attach suitable hose to drain connection (2)
•   Open coolant drain screw (1)
Drain coolant
•   Close coolant drain screw
Object Number: 3446245  Size: DEFAULT


6.   Lower vehicle by its full height
7.   Detach positive cable from positive clamp
•   Unscrew bolt
8.   Remove battery
•   Detach positive connection from positive terminal
Slacken nut
•   Remove bracket
Unscrew bolt
9.   Remove battery support (1)
•   Unclip 2x coolant hose (3)
•   Detach wiring harness (4) from battery support
Detach 2x cable ties
•   Unscrew 3x bolts (2)
Object Number: 8230979  Size: DEFAULT


10.   Detach upper radiator hose from coolant flange
•   Release clamp
11.   Remove coolant pipe (1) between thermostat housing and oil filter housing
Note:   The graphics show the coolant pipe with the exhaust manifold detached for a clearer view
•   Unscrew 2x bolts (2)
•   Draw out of oil filter housing
Object Number: 9007898  Size: DEFAULT


12.   Disconnect thermostat wiring harness plug (7)
13.   Disconnect wiring harness plug for coolant temperature sensor (4)
14.   Detach wiring harness bracket (1)
•   Unscrew nut (2)
15.   Detach 2x coolant hoses (5)
•   Undo 2 clamps
16.   Detach coolant supply line for preheating of throttle valve module (3)
•   Disconnect quick-release fitting
17.   Remove coolant flange
•   Unscrew 4x bolts (6)
Object Number: 9007900  Size: DEFAULT


  Install

18.   Clean sealing surface
19.   Fit coolant flange
•   Use new gasket
•   Screw in 4x bolt evenly until the housing is in contact with the cylinder head
Important:   It is essential to comply with the specified tightening sequence - risk of fracture
•   Tighten 4x bolt (1), (2), (3) and (4) 8 Nm
Object Number: 10678102  Size: DEFAULT


20.   Attach coolant pipe between thermostat housing and oil filter housing
•   Use 2x new gasket
•   Push into oil filter housing
•   Tighten 2x bolt 8 Nm
21.   Attach coolant supply line for preheating of throttle valve module
•   Connect quick release fitting
22.   Attach 3x coolant hose to thermostat housing
•   Attach 3x clamps
23.   Attach wiring harness bracket to thermostat housing
•   Tighten nut
24.   Connect coolant temperature sensor wiring harness plug
25.   Connect thermostat wiring harness plug
26.   Install battery holder
•   Tighten 3x bolt 15 Nm
•   Clip on coolant hose bracket
•   Clip on 2x wiring harness
27.   Install battery
•   Install battery bracket
Tighten bolt 5 Nm
•   Attach positive connection to positive terminal
Tighten nut
28.   Attach positive cable to positive terminal
•   Tighten bolt
29.   Connect battery
•   Attach ground connection to ground terminal
Tighten nut
30.   Fill and bleed cooling system LUREF_1.gif
31.   Program volatile memories
32.   Close bonnet

Thermostat, Remove and Install > < Thermostat, Remove and Install