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I want to remove the intake manifold so i can give it a clean and polish it to look nice.
Was just wondering if anyone had any tips or cautions i should keep in mind as i do this. Thanks

I have a few tips in no particular order

1 - if you can, disconnect the fuel pump or take the fuse out and run the car until it cuts out to release any pressure in the fuel rail.
2 - Make sure you mark which fuel hose goes to which hard line, mine where marked with white rings
3 - Make sure you have a 12mm socket with the right length extensions so you can slide it between the runners and have the clearence to the inner wing to use it.
4 - Drain the water out of the engine because there are water ways behind the manfold and you don't want water going in the ports
5 - Diconnect the battery because you will be operating close to the alternator and starter motor live wiring
6 - make sure you have cloths or something to block up the ports as soon as you have the manifold off.

that's all I can think of for now
Si.

Also, be careful.
It's heavier than you think.