How to change engine thermostat on OPEL Kadett E Combo (T85) – replacement guide
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Recommended replacement interval for the part category Engine thermostat : 50000km
Important!
This replacement procedure can be used for:
OPEL Kadett E Combo (T85) 1.4 i (C25, D25),
OPEL Kadett E Combo (T85) 1.6 i (C25, D25),
OPEL Kadett E Combo (T85) 1.4 S (C25, D25),
OPEL Kadett E Combo (T85) 1.6 (C25, D25),
OPEL Kadett E Combo (T85) 1.3 S (C25, D25),
OPEL Kadett E Combo (T85) 1.3 N (C25, D25)
…
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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 Kadett E Combo (T85) and other OPEL models
Replacement: engine thermostat – OPEL KADETT E Combo (38_, 48_). 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 KADETT E Combo (38_, 48_) – 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 KADETT E Combo (38_, 48_). 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 KADETT E Combo (38_, 48_). 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 KADETT E Combo (38_, 48_). 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 KADETT E Combo (38_, 48_). 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 KADETT E Combo (38_, 48_). 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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