Workshop Manuals Factory service & repair Vauxhall
01 General Vehicle Information02 Maintenance, Body and Chassis Sheet Metal Parts, Frame03 Paint04 Body Equipment05 Heating, Ventilation, Air Conditioning (HVAC)06 Front Wheel Suspension, Wheels and Tyres07 Rear Axle and Rear Wheel Suspension08 Brakes09 Engine and Engine Aggregates10 Clutch and Transmission11 Fuel and Exhaust System12 Steering13 Electrical Equipment and Instruments14 Accessories
Vauxhall Astra H09 · Engine and Engine Aggregates
09 · Engine

Replace coolant hose (Cooling System)

Make
Vauxhall
Model
Astra H
Section
Cooling System › Repair Instructions › Replace coolant hose
Engine and Engine AggregatesReplace coolant hose

Replace coolant hose

  Remove

1.   Remove engine cover
2.   Disconnect battery
3.   Remove air cleaner housing
Warning:   Only open the coolant compensation tank when the engine has cooled down.
4.   Unscrew and remove cover of coolant expansion tank
5.   Raise vehicle by its full height
6.   Detach the lower engine cover and right engine splash guard
7.   Place collecting basin underneath.
8.   Drain coolant
•   Open drain bolt on radiator (1)
•   Collect coolant
•   Open drain bolt
Object Number: 3446550  Size: DEFAULT


9.   Detach vacuum line (2) from oil dipstick guide tube (1)
•   Unclip 2x clips
10.   Detach oil dipstick guide tube from oil pan
•   Unscrew bolt (arrow)
Object Number: 7360944  Size: DEFAULT


11.   Disconnect air intake pipe (1) from turbocharger
•   Release clamp
Object Number: 7360945  Size: DEFAULT


12.   Lower vehicle by its full height
13.   Detach vacuum line
•   Unscrew 2x bolts (arrows)
•   Detach 2x vacuum hose, vacuum unit to vacuum line
Note:   Mark the assignment of the hoses
Object Number: 2408150  Size: DEFAULT


14.   Detach turbocharger charge air hose from intercooler (1)
•   Undo 2 clamps
Object Number: 7360935  Size: DEFAULT


15.   Detach engine vent hose from camshaft housing cover
•   Release clamp (1)
Object Number: 3446023  Size: DEFAULT


16.   Remove air intake manifold (1)
•   Unscrew bolt (2)
17.   Remove dipstick guide tube
•   Remove oil dipstick
•   Unscrew bolt (3)
•   Disconnect boost pressure sensor vacuum line
Object Number: 7360120  Size: DEFAULT


18.   Remove coolant pipe assembly (1)
•   Disconnect wiring harness plug of catalytic converter temperature sensor (2)
•   Unscrew 6x bolts
•   Detach 4x hose from coolant pipe assembly
– Undo 4x clamps
Object Number: 8231068  Size: DEFAULT


  Install

19.   Raise vehicle by its full height
20.   Renew oil dipstick guide tube gasket in oil pan
21.   Lower vehicle by its full height
22.   Install coolant pipe assembly
•   Replace seal
•   Tighten 6x bolt
•   Connect catalytic converter temperature sensor wiring harness plug
•   Attach 4x hose to coolant pipe assembly
– Attach 4x clamps
23.   Fit turbocharger charge air pipe to intercooler
•   Tighten 2x clamp 3.5 Nm
24.   Install dipstick guide tube
•   Insert in oil pan
•   Attach to coolant pipe
– Tighten bolt
•   Insert oil dipstick
25.   Install air intake pipe.
•   Tighten bolt 9 Nm
26.   Raise vehicle by its full height
27.   Attach air intake pipe to turbocharger
Important:   Follow specified installation order
•   Put seal on turbocharger port
•   Fit air intake manifold pipe
– Tighten clamp 3.5 Nm
28.   Attach oil dipstick guide tube to oil pan
•   Bolt 9 Nm
29.   Clip 2x vacuum lines to oil dipstick guide tube
30.   Install lower engine cover and right engine splash guard
31.   Lower vehicle by its full height
32.   Attach vacuum line
•   Tighten 2x bolt 9 Nm
•   Connect 2x vacuum hose, vacuum unit to vacuum line
Note:   Note the assignment of the hoses
33.   Attach engine vent hose to camshaft housing cover
•   Fasten clamp
34.   Install air cleaner housing LUREF_1.gif
35.   Fill and bleed cooling system LUREF_1.gif
36.   Connect battery
•   Attach ground connection to ground terminal
– Tighten nut
37.   Install engine cover
38.   Program volatile memories

Parts & tools for this job For Vauxhall Astra

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