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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
Thermostat
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 1Open the bonnet.
- Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
- Step 3Unscrew the fasteners of the air distribution housing assembly. Use Torx T20.
- Step 4Remove the air distribution housing assembly.
- Step 5Unscrew the engine cover fastener. Use Torx T30. Use a ratchet wrench.
- Step 6Unscrew the oil filler plug.
- Step 7Remove the oil filler cap.Step 8Cover the oil filler opening with a microfibre towel to prevent dirt and foreign objects from getting into the system.
- Step 9Remove 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 10Remove the microfibre towel from the oil filler opening.
- Step 11Install the oil filler cap.
- Step 12Unscrew the coolant reservoir cap.
- Step 13Lift the car using a jack or place it over an inspection pit.
- Step 14Clean the coolant drain plug. Use all-purpose cleaning spray.
- Step 15Prepare a container for fluids.
- Step 16Open the coolant drain tap. Use a flat screwdriver.
- Step 17Drain 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 19Close the coolant drain tap. Use a flat screwdriver.
- Step 20Lower the car.
- Step 21Loosen the coolant hose clamp. Use clic-R collar pliers.
- Step 22Detach 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 23Loosen the coolant hose clamp. Use clic-R collar pliers.
- Step 24Detach the coolant hose.Replacement: engine thermostat – Opel Meriva X03. AUTODOC recommends:Caution! Coolant may leak out of the coolant lines and thermostat housing.
- Step 25Cover the open end of the coolant hose with a microfibre cloth to prevent dirt and foreign objects from entering the system.
- Step 26Unscrew the thermostat housing fasteners. Use a drive socket #Е8. Use a ratchet wrench.
- Step 27Remove the thermostat housing.
- Step 28Remove the rubber strip.
- Step 29Cover the mounting seat of the thermostat housing with a microfibre cloth to prevent dirt and foreign objects from entering the system.
- Step 30Clean the mounting seats of the thermostat housing. Use a seal scraper. Use all-purpose cleaning spray.
- Step 31Remove the microfibre cloth from the mounting seat of the thermostat housing.
- Step 32Install the rubber strip.
- Step 33Install a new thermostat housing.
- Step 34Screw in the thermostat housing fasteners. Use a drive socket #Е8. Use a ratchet wrench.
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