wobble or hop at 27 mph and at 44 mph

(2005 Tacoma 4x4, automatic transmission, V6)

I have a wobble or hop in my 2005 Tacoma, been there since i purchased it 5 years ago. It seems to be coming from the back.
I've changed each rim and replaced all tires, still have the same wobble or hop.
I've rotated tires, had them road force balanced....still same issue.

Anyone got any idea what may be causing this?

Thanks

 

Constant or when accelerating?

 

it seems to be constant at those speeds, but if i accelerate quickly through those speeds, you can't feel it as much.

 

Search on here how to check your driveshaft carrier bearing for play. That’s the next most likely culprit after tires

 

Weak rear shocks could also cause this feeling.

 

But at just certain speeds?

 

Possibly... I had a similar issue with a Ford Truck once, new shocks fixed it.

 

What's wobbling or hopping? Is it a vibration? How many miles on truck?what kind of service has been done?

 

Things out of round or balance will resonate at certain rpm and speed shocks will help dampen it if it’s suspension, rims or tires.

Wobble? Can you feel the wobble you speak of in the steering wheel? If yes: look at tie rod ends, ball joints, stabilizer bar and shocks otherwise see below.

Ive edited this like five times now after reading through more and making fewer assumptions.

What state are you in? Is your frame rusted out? Cracked? What kind of load do you have when the shake wobble happens? Is it every time? Have you checked fluid levels and power steering? Alignment? Oversized tires?

Troubleshooting it will take time.
If it’s always at those two speeds start by swapping out one of your rear wheels with the spare, if it continues: continue this process with replacement of the regular wheels with the spare to isolate the problem to the suspension/ drivetrain.

that’s my suggestion to start.

 

have someone ride up a not so busy hi-way at the speed U say

do not use a heavily traveled interstate

have them observe the rear axle at speeds U say................left side / then right side

iv seen many an axle move around quite a bit at hi-way speeds

U cant see the phenomina while driver

a chase vehicle can

 

I agree that a lot more details are needed. Your truck being an 05 is 15 years old now. Rear shocks could be blown, add that to worn out leaf springs and (the stock leafs on these trucks are ass) that's a recipe for a bouncy rear end! Also if you never had your fram replaced and you live in a notorious rust area, your frame could be rotting in critical areas, usually behind where the front of the leaf springs attach. That's where mine started to go.

 

Checking U joints by detecting movement in the drive shaft can be deceiving. I had a frozen U joint and the drive shaft seemed perfect. U joints can be a problem around 100K.

 

so not to check ?????

check when there is an issue

no less preventative maintenance might head it off at the pass

way b4 100k