Ding ding ding, got it in one. The teen gets up after another moment, stretching as xey do - arms behind head, the whole schebang, considering xey're barely over 5 feet that doesn't really do much in terms of intimidation if anything though - before moving over towards the vehicle.

"I think they should be scrap at this point. Sure, you could get a little longer out of them if you push them, but that just means you're gonna need another trip down the road-"

Already clad in jumpsuit and gloves, there's zero hesitation to pluck out the offending valves and go in to detail about their current sorry state- though Grease Monkey also seems to be of the opinion that they can somehow be used to augment the 'newer' set of valves. Which is silly.

...right?