I have a 2013 Silverado crew cab and when I drive with four people it makes a humming or rubbing sound in the back when I take off then it stops. What can this be?

I have a 2013 Silverado crew cab and when I drive with four people it makes a humming or rubbing sound in the back when I take off then it stops. What can this be? 3 Answers

I need help bad. My truck us a Chevy 1500 1995 and if I drive about 30 miles or so and hit a red light and go to hit the gas. I'll have the peddle to the floor and it will start off slow then out of no where kick in and speed up. And if I'm going down the high way and the cruise control is on and I'm going up a hill it will do that. Throttle slow then kick in and speed up. Also when I go to slow down pulling in some where the truck sounds like its about to shut off then comes back to normal. What wrong with it? 11 Answers

Ppl say it is my throttle body or my filter on my fuel pump or its I have no back pressure and my o2 senser is messed up since its straight pipe no cat converter. What is it.

there is this part right under the right dash board by this fan thing motor.it's like when I turn on the truck it makes a loud thump fast then dies out what can be the problem 3 Answers

thump thump then stops

I have 94 chevy c1500 w/t and when put in gear and go to take off it acts like some the is holding it back it had been sitting for awhile and I replace the calibers both front ones 4 Answers

I have replaced both front calibers cause they were ceased and also have backed the brakes shoes up a little to see if the shoes was the problem and also checked the trans fluids also when I let o...

I have a 1998 Chevy silverado when I turn the key on the fuel pump primes up as it should and I go to crank it and it starts for about 2-3 seconds and then dies 4 Answers

I have a brand new sending unit and fuel pump and there is plenty of fuel pressure and spark cause if I take some starting fluid and spray it into the throttle body it will run fine, I'm stumped ...