The problem isn't in the dent. The problem is in this rubber-band engine.
6 seconds sound clip from the Grease (1978) movie soundboard.
You can hear this line at 00:38:20 in the Blu-ray version of the movie.
Quote context
[...]
- The whole place is a no-parking zone, crater face.
- Yeah!
- Yeah, well I'll give you 75 cents for the whole car including your chick.
- We'll just have to bang out the dent. That's all there is to it.
- The problem isn't in the dent. The problem is in this rubber-band engine.
- The problem's in your mouth.
- Where you gonna get a new carburetor?
- Hey, big stuff. What do you drive, huh?
[...]