Would not accelerate from a stop, multiple issues

164,000 MILES • V8 • 4WD • AUTOMATIC
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LONNYBLAZE
  • MEMBER
  • 2 POSTS
I am trying to pinpoint the cause of what could be wrong with my vehicle it is the XLT model. It recently started exhibiting multiple problems all at the same time. The first thing that happened was while driving I suddenly heard a sound from the driver’s side wheel like I was dragging something (which I was not after getting out and investigating). So I got in and started driving and it just sounded like a vacuum hose had come loose but after a few minutes it went away. This happened periodically after driving for like ten to fifteen minutes but then it goes away.

After about five days I went about five blocks and stopped at a red light, I tried to accelerate once the light turned green and the truck would not move. I just revved as if I was in neutral. I pressed the brake, put the car in neutral then reversed and still nothing, not even a jerk like it was trying to move. I pressed the brake and went to put the car in park and there was this very loud grinding noise that came from the driver’s side wheel area. I then put the truck in four wheel drive, went to D and then there was this loud pop but the truck jerked forward and started moving and I noticed a large amount of white smoke coming from underneath. I was able to get out the intersection and up about two blocks and then it stopped moving again when pressing the gas pedal.

There was more smoke now but nothing from the engine everything was coming from underneath. Also, once that pop happened, my temperature hand went all the way to C and the heat stopped working. After about five minutes, the truck started moving when the gas petal was pressed and like before went another couple blocks and this time once it stopped it would move again. There was only a bunch of smoke from underneath and nothing from the engine.



I got a tow truck which literally towed me about less than a mile away to my house (towed from the front). Once home, I was able to start it right up and it drove like nothing happened. Since then this is everything that I have seen:

Heat does not work.
temperature hand does not move at all.
internal antifreeze leak.
There was no signs of leaking coolant anywhere and when I replaced the fluid nothing stayed in the reservoir.
Truck drives but then the dragging sound comes back .
white smoke coming from underneath the car right next to the back passenger side door right before the tailpipe.


Again, the engine does not overheat and no smoke comes from under the hood and that with keeping the truck running for about twenty to twenty five minutes. All smoke comes from underneath.
Apr 12, 2018 at 7:16 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,711 POSTS
Hello,

It sounds like you have two problems. the first is the bearing hubs sound like they are starting to fail causing the intermittent noise. The next sounds like you have a head gasket or coolant leak. If you could take a video of the noise and the smoke we can get a better idea of what is going on you can upload it your reply.

Here is a guide and diagrams to help us get the problem fixed:

https://www.2carpros.com/articles/head-gasket-blown-test

and

https://www.2carpros.com/articles/car-is-leaking-coolant

and

https://www.2carpros.com/articles/bearing-hub-replacement

Please let us know what happens.

Cheers, Ken

Apr 16, 2018 at 4:28 AM
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LONNYBLAZE
  • MEMBER
  • 2 POSTS
Ken,

Thanks for answering my post, I really appreciate it. Also, thank you for the links you submitted they also were very helpful!.

In regards to the head gasket/coolant leak. I did the simple checks (checking the oil cap and dip stick) and the oil did look "milky" and it also had a different type of smell to it. I have to put some gas in it so I will be able to upload a video of the smoke and engine sounds.

In regards to the wheel bearing hubs, that was a huge help as I did not even know where to start with that noise. I should also say that the sound that is made on that same drivers side is that of a vacuum hose coming off or something. But I will try to get a video of that. the car has to be moving in order to capture that as it does not do it while in park.
Apr 17, 2018 at 11:48 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,711 POSTS
Yes, lets get you back on the road. videos really help. :)
Apr 18, 2018 at 4:40 AM
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