technical Intake manifold

[hanneswilken]

HY guys, Me again.
I wan to remove the intake manifold as there as a lot of oil below it. There are a few sensors connected to it. Question- do I need to disconnect battery to unplug the sensors and sol valves.
Quick response will be valuable.
Thanks

 

[individj]

hi, guys always recommend disconnecting yes

 

[hanneswilken]

Thanks i managed it without unplugging anything.