Shaking while accelerating

Notrog · Dec 23, 2024

I’ve done everything I could do to my 2018 Tacoma sr5 like 4 new tire balance and Alignment, spark plugs another balancing and alignment switched the differential fluid front and rear. I did notice after the alignment. It did ease up a little bit then came back. Any help would be very much appreciated.

GTGallop · Dec 23, 2024

Question - Is your vibration related to suspension / steering / tires or is it related to the engine? What speeds does it show up and disappear at?
Are you lifted?
Wheel Spacers?
Does it shake on acceleration only or deceleration too?

Can you have someone follow you and watch for an out of balance wheel?

Notrog · Dec 23, 2024

I could, but I’ve had all tires balanced twice in one week. I will have someone follow me and check this out

Jim727386 · Dec 23, 2024

<<<<------ is not a mechanic by any means...but could be drive shaft issue?

GTGallop · Dec 23, 2024

Notrog[OP] said: ↑

I could, but I’ve had all tires balanced twice in one week. I will have someone follow me and check this out
Click to expand...

Back around 2004 I had a set of Goodyear Wranglers that would not balance. Three of the four tires shook the truck. I think I had them balanced three or four times and they ended up using one of those machines that applied pressure to the spinning wheel.

I had to go back every 5k for rotation and re-balance. After 15K miles I gave up and put the BFG ATKO2's on and never looked back.

Notrog · Dec 23, 2024

I still need to grease driveshaft but when I was under the truck I tried to move the driveshaft to search ware to put oil I could not move the shaft is this normal

GTGallop · Dec 23, 2024

Notrog[OP] said: ↑

I still need to grease driveshaft but when I was under the truck I tried to move the driveshaft to search ware to put oil I could not move the shaft is this normal
Click to expand...

In Park - Yes.
With the tires on the ground - Yes.
In Neutral with the tires (or tire) up - No.

Greg-tacoma · Dec 23, 2024

Have you checked the motor mounts?

rnish · Dec 23, 2024

When did the shaking begin? Is the truck stock?

Notrog · Dec 23, 2024

It started about 3 weeks ago and everything is stock I’m trying to post a video maybe this will help

Notrog · Dec 23, 2024

https://youtu.be/Wp-2UtsLIfU?si=AKvD3wAPvaJqOWpr

Notrog · Dec 23, 2024

I have not checked the motor mounts

G2.M6 · Dec 23, 2024

Cvs? My 2007 shook like a vibrator when her Cvs got bad

Notrog · Dec 23, 2024

G2.M6 wouldn’t they have told me that was the issue when I took it in for a alignment?

Notrog · Dec 23, 2024

G2.M6 said: ↑

Cvs? My 2007 shook like a vibrator when her Cvs got bad
Click to expand...

Wouldn’t they have told me this when I took it in for a alignment

TA2016 · Dec 23, 2024

Notrog[OP] said: ↑

I have not checked the motor mounts
Click to expand...

Check out post #4 for more things to check.

https://www.tacomaworld.com/threads/shaking-on-acceleration.516014/

Notrog · Dec 23, 2024

TA2016 said: ↑

Check out post #4 for more things to check.

https://www.tacomaworld.com/threads/shaking-on-acceleration.516014/
Click to expand...

Thank you for this I believe this might be the issue I will give update when fixed

GTGallop · Dec 24, 2024

TA2016 said: ↑

Check out post #4 for more things to check.

https://www.tacomaworld.com/threads/shaking-on-acceleration.516014/
Click to expand...

Copied here because that post was just too darn good!

gearcruncher said: ↑

Lets look at some Vibration diagnostics . Anytime someone asks a vibration question , I copy and paste this .
I believe there are at very minimum at least 12 different vibration issues assosiated with the Tacoma and all the vibrations / shudders get mixed into the same pot when members start posting leaving members scratching their heads .

These are some diagnostics to try . If you bring your truck to a shop , they will be trying most of these to narrow your vibration down .
Have you greased your driveline ?http://www.tacomaworld.com/forum/tec...rks-total.html
Do you know how to grease your driveline properly http://aftermarket.federalmogul.com/...%20FAQ%27s.pdf
Have you slid under the truck and inspected to see if any driveshaft weights have fallen off ?
Have you checked your carrier bearing https://www.tacomaworld.com/threads/how-to-replacing-carrier-bearing.260283/
Does the truck vibrate in park or neutral and does the vibration change with accelerator pedal ? This is a misfire test for your engine
Does the truck vibrate while holding the brakes and hitting the gas - Automatic ? This is also a misfire test for your engine under load
Does the truck vibrate in neutral at a stand still ?or coasting in neutral ?
Does the truck vibrate in 4x4 ?
Does the truck " Only vibrate " from 1st to 2nd gear ? https://www.tacomaworld.com/threads/vibration-when-accelerating-from-stop-anyone-fixed-it.300155/
Does the truck only vibrate in 2 wheel drive ?https://www.tacomaworld.com/threads...differential-bearing-vibration-thread.152173/
Does the truck vibrate with the serpentine belt removed ?
Does the truck vibrate cold or hot ?
Does the truck vibrate if you select neutral and coast to a slow roll without using the brakes ? What happens when you turn the truck off in Neutral at highway speed ? Can you still feel the vibration ?
Does the truck clunk over bumps ?https://www.tacomaworld.com/threads/tacoma-loose-bed-design-flaw-explanation.388873/
Does the truck vibrate as you are braking ? When was your last brake job ? Consider the front rotors may be warped or the rear drums are out of round .
Does the truck vibrate with weight in the truck or empty ?
Does the truck vibrate while upshifting ? Have you checked your trans fluid ?
Does the truck vibrate while downshifting ? Have you checked your trans fluid ?
When was your last transmission fluid service ?
Is the vibration caused by your torque converter ? Tapping the brake pedal at highway speeds will release the torque converter clutch . You are not actually hitting the brakes ,but manipulating the brake switch . If the vibration goes away you can expect a misfire or a converter clutch issue .
Read here for more information regarding automatic transmission diagnostics
https://www.tacomaworld.com/threads...th-pics-for-second-gen-4-liter-trucks.289913/
Now that you have a lift kit installed the truck vibrates . Did you cancel your drive line angles ?
Have you looked at the condition of your tires ? Toyota says to rotate every 5000 miles .Tacoma tires must be road forced balanced using the Haweka adapter on the tire machine tsu00296.pdf
When was the last time you rotated your tires ? Are you using LUG centric aftermarket wheels that are incredibly difficult to balance ? have you considered " HUB centric rings " http://www.amazon.ca/s/?ie=UTF8&key___vptwo=&hvqmt=e&hvdev=c&ref=pd_sl_7ybe1f1pby_e
Have the balance weights fallen off the tires ?

A good vibration technician can tell immediately if your vibration is caused by the rotating speed of your wheels or by the rotating speed of your driveshaft .
If you go through this list carefully , you should be able to narrow down where the problem is .
The proper and only way to test for bad universal joints is with the driveshaft removed . You cant tell if the universal joints are seized or tight spots with the driveshaft on the truck . You may see play in the universal joints , but you wont be able to properly check the u-joints without removing the driveshaft .All it takes to create a vibration is one seized universal cup and there are 4 cups within each joint .
With this said , you cant tell if that cup is seized with the driveshaft connected .
Removing the driveshaft and manipulate each universal joint by hand from side to side feeling for tight spots as you go is the only way to check for bad u joints
If you beleive its bad motor mounts or transmission mounts , grab a big pry bar and pry at the mounts to see if the rubber is torn or weak .

CANCEL DRIVELINE ANGLES http://www.tacomaworld.com/forum/2nd...tion-free.html

Want that vibration gone ?
Tome Woods driveshaft
https://www.tacomaworld.com/threads/single-piece-driveshaft-vibes-be-gone.475797/
Click to expand...

@gearcruncher is a genius.

Canadian Caber · Dec 24, 2024

This vid may help too.

https://youtu.be/EDoZ8GbCeo0?si=K4oGchQH6UW9ThBC

4x4spiegel · Dec 24, 2024

Canadian Caber said: ↑

This vid may help too.

https://youtu.be/EDoZ8GbCeo0?si=K4oGchQH6UW9ThBC
Click to expand...

wondering how much he charges for his expert dx ?

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Shaking while accelerating

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Shaking while accelerating

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