anyone know what would make the loud honk noise upon initial startup in a 4.8 when its really really cold out?

Nahhhh... I won't do it, it would be really mean! It's just too easy!!!

dude, that was priceless :iceslolan :evillol: :lol:

yes, im aware horns honk

some bicycle bells are louder than some car horns (i.e. Schwinn vs. Honda)

anyone know what would make the loud honk noise upon initial startup in a 4.8 when its really really cold out?


Back to the topic at hand.

I know exactally the noise you are talking about but alas, i have no idea what causes it. Just thought i woud let you know that you are not alone lol. If i remember correctly my 96 sierra with the 5.7 in it made the same noise.