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How to change engine thermostat on Opel Meriva X03 – replacement guide
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Recommended replacement interval for the part category Thermostat : 50000 km
Important!
This replacement procedure can be used for:
OPEL Corsa C Hatchback (X01) 1.4 (F08, F68), OPEL ZAFIRA B (A05) 1.6 CNG (M75), OPEL Vectra C Saloon (Z02) 1.6 16V (F69), OPEL Zafira A (T98) 1.6 16V (F75), OPEL Zafira A (T98) 1.6 CNG (F75), OPEL VECTRA B (36_) 1.6 i 16V (F19), OPEL Vectra C CC (Z02) 1.6 (F68), OPEL Astra G Caravan (T98) 1.4 16V (F35), OPEL Astra G Caravan (T98) 1.6 16V (F35), OPEL Astra G Caravan (T98) 1.4 (F35), OPEL Astra G Caravan (T98) 1.6 CNG (F35), OPEL Astra G Saloon (T98) 1.4 (F69), OPEL Astra G Saloon (T98) 1.6 16V (F69), OPEL Astra G Saloon (T98) 1.4 16V (F69), OPEL Astra G CC (T98) 1.6 16V (F08, F48), OPEL Astra G CC (T98) 1.4 (F08, F48), OPEL Astra G CC (T98) 1.4 16V (F08, F48), OPEL Vectra C Caravan (Z02) 1.6 16V (F35), OPEL Astra G Coupe (T98) 1.6 16V (F07), OPEL ASTRA G Convertible (F67) 1.6 16V (F67), OPEL ASTRA G Box (F70) 1.4 (F70), OPEL ASTRA G Box (F70) 1.6 (F70), OPEL VECTRA B Estate (31_) 1.6 i 16V (F35), OPEL VECTRA B Hatchback (38_) 1.6 i 16V (F68), OPEL COMBO Box Body / Estate 1.6 CNG 16V, OPEL COMBO Box Body / Estate 1.6 CNG 16V, OPEL COMBO Tour 1.6 CNG, OPEL COMBO Tour 1.6 CNG, OPEL Astra G Classic Caravan (F35) 1.6, OPEL Astra G Classic Hatchback (T98) 1.6 16V (F08, F48), OPEL Astra G Classic Hatchback (T98) 1.6 (F08, F48), OPEL Astra G Classic Caravan (F35) 1.4 16V … View more
The steps may slightly vary depending on the car design.
OPEL Corsa C Hatchback (X01) 1.4 (F08, F68), OPEL ZAFIRA B (A05) 1.6 CNG (M75), OPEL Vectra C Saloon (Z02) 1.6 16V (F69), OPEL Zafira A (T98) 1.6 16V (F75), OPEL Zafira A (T98) 1.6 CNG (F75), OPEL VECTRA B (36_) 1.6 i 16V (F19), OPEL Vectra C CC (Z02) 1.6 (F68), OPEL Astra G Caravan (T98) 1.4 16V (F35), OPEL Astra G Caravan (T98) 1.6 16V (F35), OPEL Astra G Caravan (T98) 1.4 (F35), OPEL Astra G Caravan (T98) 1.6 CNG (F35), OPEL Astra G Saloon (T98) 1.4 (F69), OPEL Astra G Saloon (T98) 1.6 16V (F69), OPEL Astra G Saloon (T98) 1.4 16V (F69), OPEL Astra G CC (T98) 1.6 16V (F08, F48), OPEL Astra G CC (T98) 1.4 (F08, F48), OPEL Astra G CC (T98) 1.4 16V (F08, F48), OPEL Vectra C Caravan (Z02) 1.6 16V (F35), OPEL Astra G Coupe (T98) 1.6 16V (F07), OPEL ASTRA G Convertible (F67) 1.6 16V (F67), OPEL ASTRA G Box (F70) 1.4 (F70), OPEL ASTRA G Box (F70) 1.6 (F70), OPEL VECTRA B Estate (31_) 1.6 i 16V (F35), OPEL VECTRA B Hatchback (38_) 1.6 i 16V (F68), OPEL COMBO Box Body / Estate 1.6 CNG 16V, OPEL COMBO Box Body / Estate 1.6 CNG 16V, OPEL COMBO Tour 1.6 CNG, OPEL COMBO Tour 1.6 CNG, OPEL Astra G Classic Caravan (F35) 1.6, OPEL Astra G Classic Hatchback (T98) 1.6 16V (F08, F48), OPEL Astra G Classic Hatchback (T98) 1.6 (F08, F48), OPEL Astra G Classic Caravan (F35) 1.4 16V … View more
The steps may slightly vary depending on the car design.
How to change engine thermostat on OPEL MERIVA A [TUTORIAL AUTODOC]

All the parts you need to replace – Thermostat for Meriva A (X03) and other OPEL models
Alternative products

All-purpose cleaning spray
Torque wrench
Drive socket # E8
Torx bit T20
Torx bit T30
Ratchet wrench
Clic-R collar pliers
Seal scraper
Flat Screwdriver
Funnel
Fluid container
Microfibre towel
Fender cover
Replacement: engine thermostat – Opel Meriva X03. 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 Meriva X03 – should be done with the engine switched off.
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 fasteners of the air distribution housing assembly. Use Torx T20. - Step 4
Remove the air distribution housing assembly. - Step 5
Unscrew the engine cover fastener. Use Torx T30. Use a ratchet wrench. - Step 6
Unscrew the oil filler plug. - Step 7Remove the oil filler cap.Step 8
Cover the oil filler opening with a microfibre towel to prevent dirt and foreign objects from getting into the system. - Step 9
Remove the engine cover.AUTODOC recommends:Replacement: engine thermostat – Opel Meriva X03. Do not use excessive force when removing the part as this may damage it. - Step 10
Remove the microfibre towel from the oil filler opening. - Step 11
Install the oil filler cap. - Step 12
Unscrew the coolant reservoir cap. - Step 13
Lift the car using a jack or place it over an inspection pit. - Step 14
Clean the coolant drain plug. Use all-purpose cleaning spray. - Step 15
Prepare a container for fluids. - Step 16
Open the coolant drain tap. Use a flat screwdriver. - Step 17
Drain the coolant from the engine.Replacement: engine thermostat – Opel Meriva X03. Tip from AUTODOC experts:Caution! The coolant can be very hot.Wear gloves to prevent contact with hot liquid.All work should be done with the engine stopped. - Step 18Wait until the coolant has completely flowed out of the drain hole.Step 19
Close the coolant drain tap. Use a flat screwdriver. - Step 20
Lower the car. - Step 21
Loosen the coolant hose clamp. Use clic-R collar pliers. - Step 22
Detach the coolant hose. Use a flat screwdriver.Replacement: engine thermostat – Opel Meriva X03. Tip from AUTODOC:Caution! Coolant may leak out of the coolant lines and thermostat housing. - Step 23
Loosen the coolant hose clamp. Use clic-R collar pliers. - Step 24
Detach the coolant hose.Replacement: engine thermostat – Opel Meriva X03. AUTODOC recommends:Caution! Coolant may leak out of the coolant lines and thermostat housing. - Step 25
Cover the open end of the coolant hose with a microfibre cloth to prevent dirt and foreign objects from entering the system. - Step 26
Unscrew the thermostat housing fasteners. Use a drive socket #Е8. Use a ratchet wrench. - Step 27
Remove the thermostat housing. - Step 28
Remove the rubber strip. - Step 29
Cover the mounting seat of the thermostat housing with a microfibre cloth to prevent dirt and foreign objects from entering the system. - Step 30
Clean the mounting seats of the thermostat housing. Use a seal scraper. Use all-purpose cleaning spray. - Step 31
Remove the microfibre cloth from the mounting seat of the thermostat housing. - Step 32
Install the rubber strip. - Step 33
Install a new thermostat housing. - Step 34
Screw in the thermostat housing fasteners. Use a drive socket #Е8. Use a ratchet wrench.
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