If they feel a bit tight when you loosen them squirt a bit of oil on the thread, do it up a bit then loosen a little bit more. Wind it in and out a little at a time and you should be ok.
That looks like its worth a go.
A quick search around for Optima didnt find many results on t'interweb. So the nagging concern is how old is their stock and what's the shelf life? (Edit: data sheet says 2 year shelf life unopened container)...
3M will be the proper gear. I’m sure I asked YRM when I got the replacement part what they recommended and it was 3M, buts it’s stupid money just to use a very small amount of it. I’ve saved this seller and if it’s still on the go next time I...
Mine did that and left me stranded in Waitrose car park.
If you can try a tow start and see if that helps.
Also a failing starter can affect the cps which means it will turn over a lot before starting and put the eml on.
Solenoid kit did not fix...
You can get rivnuts with a closed end so, in theory, there is less chance of the threads getting water in and rusting up. You would need to be more particular with the length of bolt you use though.
Yes, take the mounting plate off, deal with the rust and fit some rivnuts in the original holes. Then bolt the mounting plate back on and then the filter housing.