What would cause a humming or howling noise coming from the engine compartment of a 1989 Pontiac Bonneville on hard acceleration?
sounds like a motor mount is broken or a transmition mount. have those checked.
The word 'howling' is the present participle, present tense of the verb to howl. The present participle of the verb also functions as an adjective and a gerund, a verbal noun. Examples: verb: Your father has been howling about my spending habits. adjective: A howling coyote was heard by the kids at the campfire. noun: The howling we heard was my neighbor's dog.