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Coolant reservoir and radiator caps stuck?


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Hello everyone,

thought I’d just check my coolant today and since I’m fairly sure the little level check on the reservoir is clouded over i thought I’d top it up anyways. However i cant actually get the radiator or reservoir cap off, they just are hard to turn (radiator cap especially) and don’t actually undo or anything?!

am i just doing something seriously wrong or is there something else?

thanks 🙂

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7 hours ago, LeoLex said:



Reservoir cap is pull off. Perhaps prize it with a screwdriver.. 


6 hours ago, rich1068 said:

If it's anything like the IS300 and GS300 then yes, a bit of a wiggle is required. Also a torch is handy for shining through the reservoir so you can see the level more accurately.

Thanks very much guys makes sense why it wouldn’t come off 😅 good idea with the torch as well cheers 👍🏻

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