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55+ MPH LOW END RUMBLE

SimonSaucy

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Hi,

I have a 21 ranger and since i got it (used) ive noticed a low end rumble in the front above about 55+... you. an feel it in the floor boards and wheel. never really thought anything about it. a few weeks ago i installed the fox 2.0 leveling kit and new tie rods full. I noticed a increase in the rumble now. I just had a aligement done and wheel balance done but its still there. Wondering where i should look?

A few notes are that everything looks good not obvious issues ( Minus one which i will note)...

Things ive checked to start
Drive shaft is newer, its firm no play, bushing looks good, its maybe sitting a little closer to the bottom than center but thats it.
All front end bushing look good.

The only thing i could find was some play in what i think is the Pass Wheel bearing... If i grab the bottom of the wheel and push/pull i can get some movement but i dont hear any bad noises or anything coming from it. Guessing i should replace it? but i think this this is the issue...

Here are some photos of the CV's for reference. ii think everything looks fine? maybe a slight gab on the driver side inner boot like its not all the way in?

Any help would be amazing!!!

C37EA6D9-39E0-43DD-948A-96EDDAEC8F4B.webp


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TruckBox

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There are a few threads you might try searching through... i know because I've had similar. Rumble/shake at a particular speed. For me it was tire pressure too low.
 

Stevedbvik1

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Hi,

I have a 21 ranger and since i got it (used) ive noticed a low end rumble in the front above about 55+... you. an feel it in the floor boards and wheel. never really thought anything about it. a few weeks ago i installed the fox 2.0 leveling kit and new tie rods full. I noticed a increase in the rumble now. I just had a aligement done and wheel balance done but its still there. Wondering where i should look?

A few notes are that everything looks good not obvious issues ( Minus one which i will note)...

Things ive checked to start
Drive shaft is newer, its firm no play, bushing looks good, its maybe sitting a little closer to the bottom than center but thats it.
All front end bushing look good.

The only thing i could find was some play in what i think is the Pass Wheel bearing... If i grab the bottom of the wheel and push/pull i can get some movement but i dont hear any bad noises or anything coming from it. Guessing i should replace it? but i think this this is the issue...

Here are some photos of the CV's for reference. ii think everything looks fine? maybe a slight gab on the driver side inner boot like its not all the way in?

Any help would be amazing!!!

C37EA6D9-39E0-43DD-948A-96EDDAEC8F4B.webp


3BA0044F-9542-46D5-914D-2008C20FBB2A.webp
Were the tires RoadForce balanced?
 

RangerBill

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Hi,

I have a 21 ranger and since i got it (used) ive noticed a low end rumble in the front above about 55+... you. an feel it in the floor boards and wheel. never really thought anything about it. a few weeks ago i installed the fox 2.0 leveling kit and new tie rods full. I noticed a increase in the rumble now. I just had a aligement done and wheel balance done but its still there. Wondering where i should look?

A few notes are that everything looks good not obvious issues ( Minus one which i will note)...

Things ive checked to start
Drive shaft is newer, its firm no play, bushing looks good, its maybe sitting a little closer to the bottom than center but thats it.
All front end bushing look good.

The only thing i could find was some play in what i think is the Pass Wheel bearing... If i grab the bottom of the wheel and push/pull i can get some movement but i dont hear any bad noises or anything coming from it. Guessing i should replace it? but i think this this is the issue...

Here are some photos of the CV's for reference. ii think everything looks fine? maybe a slight gab on the driver side inner boot like its not all the way in?

Any help would be amazing!!!
A bad wheel bearing often makes a growling sound. Yours might be bad.
 


DukeCanBuildit

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$250 per wheel for a Road Force balance? Should be about that for all four, maybe even with an alignment. :oops:
 

Stevedbvik1

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Your profile says you’re in Vegas. Discount Tire has stores there. Bring it to them to have them Road Force balanced. If I remember correctly it was under $100 to do all four when I had mine done. You need to rule out a tire/wheel issue.
 

Jason B

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"The only thing i could find was some play in what i think is the Pass Wheel bearing... If i grab the bottom of the wheel and push/pull i can get some movement but i dont hear any bad noises or anything coming from it. Guessing i should replace it? but i think this this is the issue... "

A bad wheel bearing will make noise at any speed and will change with vehicle speed (not transmission gears). Any rotating assembly noise will change as speed increases.
If you have play as mentioned, that could be sign of bad ball joints.

 
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SimonSaucy

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"The only thing i could find was some play in what i think is the Pass Wheel bearing... If i grab the bottom of the wheel and push/pull i can get some movement but i dont hear any bad noises or anything coming from it. Guessing i should replace it? but i think this this is the issue... "

A bad wheel bearing will make noise at any speed and will change with vehicle speed (not transmission gears). Any rotating assembly noise will change as speed increases.
If you have play as mentioned, that could be sign of bad ball joints.

I looked at both ball joints. There’s no tears no rips both of them look relatively new. Obviously there could definitely be something internal that’s failing. But I’ve at least never seen that on any car I’ve worked on lol

Do both of my CV axles look normal? And fully seated.?
I guess I’m kind of at a loss. Nothing super obvious.
 

Stevedbvik1

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I looked at both ball joints. There’s no tears no rips both of them look relatively new. Obviously there could definitely be something internal that’s failing. But I’ve at least never seen that on any car I’ve worked on lol

Do both of my CV axles look normal? And fully seated.?
I guess I’m kind of at a loss. Nothing super obvious.
Get your tires Road Force balanced. I had my dealer check for vibration and they said it was the tires. They ”balanced “ the tires and I still had the same issue. I took it to Discount Tire and they RF balanced them and one wouldn’t come into balance and they said the tire was bad. Took that info back to Ford dealer and they got me a new tire under warranty. Installed and RF balanced the tires and smooth as glass since. At least do this before throwing other parts at it. IMHO
 

Dr_Strangelove

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Simon just to clarify, when you say a rumble, do you mean a vibration or a sound?

If you haven't got any vibrations in the cabin the road force balancing will not help you with your sound.
 
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SimonSaucy

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Simon just to clarify, when you say a rumble, do you mean a vibration or a sound?

If you haven't got any vibrations in the cabin the road force balancing will not help you with your sound.
it’s a vibration you can feel in the wheel and the floor as well as a slightly Audible sound…

I took it to a Offroad shop here in town and they rode around with me, they are thinking the same thing could be balance or possible a out ofso yeah round wheel
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