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Whole engine and transmission jolts

Tiny
MARIAHSIS
  • MEMBER
  • 2013 MITSUBISHI LANCER
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
Car drives just fine in reverse. I can gun it no problem, but when I put it into drive and drive for a very short amount of time and mainly when I make a left turn it seems as if the transmission disengages and engages all while the whole engine and transmission shake out of control. It feels like something is almost stuck in my wheel and makes it jolt to the right. You can also feel it in the gear shifter. It all stops when I put it in park. Any ideas? I’m really not trying to replace this transmission. Please help! I’m stumped as to what it could be!
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Sunday, December 13th, 2020 AT 8:04 AM

9 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
This sounds like it is something in the transmission just based on what you are describing however, it could also be a mount issue. Clearly this would be a better issue then a transmission issue so let's start there.

I am attaching the info on how to replace the mounts but I would just use this to inspect them and make sure they are not grounded.

Also, here is a guide that will help with a CV axle issue:

https://www.2carpros.com/articles/how-a-cv-joint-works

I am thinking that if the joint is binding then it will cause different issues but it normally clicks and doesn't make the engine and transmission shake.

Lastly if none of this pans out, we are going to need to get a video of this so that we can figure out next steps as that may help us better understand what is happening. Thanks
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Sunday, December 13th, 2020 AT 11:44 AM
Tiny
MARIAHSIS
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  • 5 POSTS
Okay, I will definitely check all that out. Would the valve body have anything to do with it? Or the oil pump?
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Sunday, December 13th, 2020 AT 1:29 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
It could because we can't rule anything out yet. However, it is unlikely as if there were an oil pressure issue it would slip or just feel like it was in neutral. So we need to start progressing through this in hopes that something leads us to the issue. Thanks
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Monday, December 14th, 2020 AT 5:33 PM
Tiny
MARIAHSIS
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  • 5 POSTS
Okay, so I’ve checked the mounts and all of them seem to be fine. I will upload a video of what’s going on as soon as I can.
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Wednesday, December 16th, 2020 AT 11:19 AM
Tiny
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  • MECHANIC
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Sounds great. I am sure that seeing it will get us some more ideas. Thanks
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Thursday, December 17th, 2020 AT 5:03 PM
Tiny
MARIAHSIS
  • MEMBER
  • 5 POSTS
Sorry It took so long for a video but here it is. You can really hear what’s going on at about 1:21-1:24 it sounds like a hard shake or bump. If I have to upload something better I will.
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Saturday, January 23rd, 2021 AT 7:07 PM
Tiny
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  • MECHANIC
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Just to be clear, this is the loud noise when you hit a speed bump or whatever that was in the road? If that is the case, this is the shocks bottoming out and the loud noise is the actual control arms of the suspension hitting the bump stops.

However, it looked like you hit that pretty hard so I am not sure new shocks will prevent that but I would definitely change those first and foremost then make sure there are no broken suspension components.

I included the process below for your review.
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Sunday, January 24th, 2021 AT 4:03 PM
Tiny
MARIAHSIS
  • MEMBER
  • 5 POSTS
No, it’s definitely not suspension related. It does it after driving not even a mile. It’s nearly not as bad as it was since I just did a transmission drain and fill. Right before this video.
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Sunday, January 24th, 2021 AT 5:33 PM
Tiny
KASEKENNY
  • MECHANIC
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Interesting. Then I would think this is a harsh engagement. Does this happen when you are shifting between gears? If so, what gears? If there is only one gear then I would think you have a solenoid issue but if it is multiple gears then you most likely have internal issues that were caused by burnt fluid.

What was the fluid like when you changed it? Was it dark and smell burnt?
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Monday, January 25th, 2021 AT 7:00 PM

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