This is the 5850th most frequent French word.
crevier
"Crevier" is not a standard French word; it could be a misspelling or a proper noun.
Here 'crevait' (past tense of 'crever') is used colloquially to mean dying or breaking down momentarily in the context of a device.
Je n'aime pas quand mon téléphone crevait en plein appel.
I don't like it when my phone dies in the middle of a call.
In this case, 'crever' refers to bursting or flaring out, tied to physically damaging something like a tire.
Il faut faire attention à ne pas crever en courant sur ces cailloux.
Be cautious not to burst a tire while running over these rocks.
Here 'crever' is used metaphorically to mean breaking through or exceeding thresholds.