How to carry out replacement: Thermostat 1.4 1430 SEAT 124
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Change SEAT 124 1.2 D Thermostat yourself – manuals and video tutorials

How to change engine thermostat on SEAT 124 Saloon – replacement guide

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When to replace the Thermostat on your SEAT 124
Recommended replacement interval for the part category Engine thermostat : 50000 km
Important!
This replacement procedure can be used for:
SEAT 124 Saloon LS1200 … 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 124 Saloon and other SEAT models
How to change Engine thermostat on SEAT 124 1.4 1430 – step-by-step instructions for straightforward car repair Engine thermostat
How to change Engine thermostat on 124 Saloon – tips for proper car maintenance
Engine thermostat for 124 Saloon Petrol (65 hp)
Tools
Replacement: engine thermostat – SEAT 124. Tools you might need:
Torque wrench
Drive socket # 7
Drive socket # 10
Drive socket # 13
Ratchet wrench
Fluid container
Funnel
Fender cover
Buy tools
Replacement: engine thermostat – SEAT 124. Tip from AUTODOC:
  • Check the condition of the coolant every time you replace the thermostat. Change the coolant if necessary.
  • Please note: all work on the car – SEAT 124 – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    Open the hood.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Thermostat on SEAT 124 1968 - free PDF and video manuals
    Unscrew the coolant reservoir cap.
  2. Step 4
    How to replace SEAT 124 Saloon 1.4 1430 1969 Thermostat - step-by-step manuals and video guides
    Prepare a container for fluids.
  3. Step 5
    SEAT 124 1.2 D 1970 Thermostat replacement: free workshop manuals
    Loosen the coolant hose clamp. Use a drive socket #7. Use a ratchet wrench.
  4. Step 6
    Changing Thermostat on SEAT 124 Saloon 1.8 1971 by yourself
    Detach the coolant hose.
  5. Step 7
    How to remove SEAT 124 1.6 1430 Especial 1972 Thermostat - online easy-to-follow instructions
    Drain the coolant from the engine.
    Replacement: engine thermostat – SEAT 124. Tip:
    Caution! The coolant can be very hot.Wear gloves to prevent contact with hot liquid.All work should be done with the engine stopped.Wait until the coolant has completely flowed out of the drain hole.
  6. Step 8
    How to replace Thermostat on SEAT 124 Saloon 1973: download PDF manuals and video instructions
    Unscrew the thermostat housing fasteners. Use a drive socket #13. Use a ratchet wrench.
  7. Step 9
    How hard is it to do yourself: Thermostat replacement on SEAT 124 1.6 1974 - download illustrated guide
    Remove the thermostat housing.
    AUTODOC recommends:
    Replacement: engine thermostat – SEAT 124. Do not use excessive force when removing the part as this may damage it.
  8. Step 10
    Need to know how to renew Thermostat on SEAT 124 1975? This free workshop manual will help you to do it yourself
    Remove the thermostat.
    AUTODOC recommends:
    Replacement: engine thermostat – SEAT 124. Do not use excessive force when removing the part as this may damage it.Caution! Coolant may leak out of the coolant lines and thermostat housing.
  9. Step 11
    Changing of Thermostat on SEAT 124 1976 won't be an issue if you follow this illustrated step-by-step guide
    Install a new thermostat.
    Replacement: engine thermostat – SEAT 124. Tip:
    When installing, do not use excessive force to avoid damage to the part.
  10. Step 12
    SEAT 124 1.2 D Thermostat replacement: online guides and video tutorials
    Install the thermostat housing.
  11. Step 13
    Replacing Thermostat on SEAT 124 1978 1.4 1430 by yourself
    Tighten the thermostat housing fasteners. Use a drive socket #10. Use a torque wrench. Tighten it to 13 nm torque.
  12. Step 14
    124 Saloon 1.6 1430 Especial 1979 Thermostat DIY replacement workshop manual
    Attach the coolant hose.
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