Recommended replacement interval for the part category Engine thermostat : 50000 km

Important!

This replacement procedure can be used for:
OPEL Astra F Classic Caravan (T92) 1.4 i (F35, M35), OPEL Astra F Classic Caravan (T92) 1.6 i (F35, M35) … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Thermostat for Astra F Classic Caravan (T92) and other OPEL models

Engine thermostat

Engine thermostat for Astra F Classic Caravan (T92) Petrol (60 hp)

Simple DIY car repair steps – Replacing Engine thermostat on Astra F Classic Caravan (T92)

Engine thermostat for Astra F Classic Caravan (T92) Petrol (75 hp)

Replacement: engine thermostat – OPEL ASTRA F CLASSIC Estate. Tools you'll need:

                        Wire brush
                      
                        All-purpose cleaning spray
                      
                        Torque wrench
                      
                        Torx bit E10
                      
                        Ratchet wrench
                      
                        Clip removal tool
                      
                        Clic-R collar pliers
                      
                        Seal scraper
                      
                        Funnel
                      
                        Fluid container
                      
                        Fender cover

Buy tools

Replacement: engine thermostat – OPEL ASTRA F CLASSIC Estate. AUTODOC recommends:

Check the condition of the coolant every time you replace the thermostat. Change the coolant if necessary.
Please note: all work on the car – OPEL ASTRA F CLASSIC Estate – should be done with the engine switched off.
All work should be done with the engine stopped.

Carry out replacement in the following order:

Step 1

Open the bonnet.

Step 2

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.

Step 3

Unscrew the coolant reservoir cap.
Step 4

Raise the car.

Replacement: engine thermostat – OPEL ASTRA F CLASSIC Estate. Professionals recommend:
If you are using a jack, make sure it rests on a flat surface without any unevenness.Be sure to additionally secure the car with jack stands.
Step 5

Clean the lower coolant pipe mounting seat. Use all-purpose cleaning spray.
Step 6

Prepare a container for fluids.
Step 7

Loosen the coolant hose clamp. Use clic-R collar pliers.
Step 8

Detach the coolant hose.

Replacement: engine thermostat – OPEL ASTRA F CLASSIC Estate. AUTODOC experts recommend:
Caution! Coolant may leak out of the coolant lines and thermostat housing.
Step 9

Drain the coolant from the engine.

Replacement: engine thermostat – OPEL ASTRA F CLASSIC Estate. Tip:
Wear gloves to prevent contact with hot liquid.
Step 10

Attach the coolant hose.
Step 11

Secure the coolant hose clamp. Use clic-R collar pliers.
Step 12

Lower the car.

Step 13

Remove the clip on the air filter intake hose. Use a clip removal tool.
Step 14

Disconnect the air intake pipe from the air filter housing.
Step 15

Clean the coolant hose connections. Use all-purpose cleaning spray.
Step 16

Loosen the clamps of the coolant hoses. Use clic-R collar pliers.
Step 17

Detach the coolant hose.

Replacement: engine thermostat – OPEL ASTRA F CLASSIC Estate. AUTODOC recommends:
Caution! Coolant may leak out of the coolant lines and thermostat housing.
Step 18

Cover the radiator hose to prevent dirt or foreign objects from entering the system.
Step 19

Clean the thermostat housing. Use a wire brush. Use all-purpose cleaning spray.
Step 20

Unscrew the thermostat housing fasteners. Use Torx E10. Use a ratchet wrench.
Step 21

Remove the thermostat housing together with the thermostat.
Step 22

Cover the mounting seat of the thermostat housing with a microfibre cloth to prevent dirt and foreign objects from entering the system.
Step 23

Remove the rubber strip.
Step 24

Clean the mounting seats of the thermostat housing. Use all-purpose cleaning spray. Use a seal scraper.
Step 25

Install the new thermostat housing together with the thermostat.
Step 26

Install the rubber strip.

Step 27

Tighten the thermostat housing fasteners. Use Torx T10. Use a torque wrench. Tighten it to 6 Nm torque.
Step 28

Attach the coolant hose.
Step 29

Fasten the clamps of the coolant hoses. Use clic-R collar pliers.
Step 30

Clean the coolant hose connections. Use all-purpose cleaning spray.

Step 31

Connect the air intake pipe to the air filter housing.
Step 32

Attach the clip on the air filter intake hose.
Step 33

Remove the coolant reservoir cap.
Step 34

Insert the funnel.
Step 35

Pour coolant in the coolant reservoir.

Replacement: engine thermostat – OPEL ASTRA F CLASSIC Estate. Professionals recommend:
Only use the coolant recommended by the manufacturer.The coolant level should be at the MAX mark.Wait until the air goes out of the system.
Step 36

Install the coolant reservoir cap.

Step 37

Screw on the coolant reservoir cap.
Step 38

Run the engine for a few minutes. This should be done in order to remove residual air from the cooling system and to check if the components are operating correctly.

Step 39

Shut off the engine.

Step 40

Check the coolant level. If necessary, top up to the required level.

Step 41

Remove the fender protection cover.

Step 42

Close the hood.

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