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M923A2 Shaking at 55-60
- Thread starter OktobrVega
- Start date
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- Edmond, Oklahoma
Welcome to Steel Soldiers
Remember, the tires are only rated to 55.
Yes, the insurance companies know this also.
- 569
- 1,267
- 93
- Location
- Chesterfield, Mi.
I had this problem with my 934. When I won this Truck, it had 5k miles on it. The tires looked like new. But because this Truck sat in one place for eight years, the radial tires developed flat spots. I tried to fix them with high and low tire pressures. No luck! I had to replace all ten tires. I was fortunate that the tire shop close to my house has a guy working there that spent some years in the Army motor pool. He replaced the tires and balanced the new ones. This tire shop does a lot of big equipment (agricultural and semis) so he has the tools and know how. The Truck now has no tire bounce. Now on to the suspension. I need to "soften" the ride. I'm converting it to a motor home and want comfort more than ten tons of load capacity!
therooster2001
Active member
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- Colorado
Congrats. I have a shake at 28-30, then 45, and I think one more. Was the lug placement scientific how you did it, or just trial and error? Reading this thread, I'm more intrigued to fix it. Everyone said it was normal. Mine are goodyears and CTIS. Checking truck today but pretty sure the counterbalance is fine, be embarrassed if it was off a lug.
It was trial but I knew that I needed to start opposite the CTIS. My shake was bad at 60 so I started with four lug nuts per wheel, two on each side of the counter balance weight. From there it seemed like I went too far so i took off one lug nut at a time while I was on a longer drive on the highway. On the wheel with three lug nuts it made a difference which side of the counter balance it was on. I kept breaker bar and lug nuts in one of the boxes and played with it as I drove.
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- 2,593
- 2,054
- 113
- Location
- Sunman Indiana
Just in case! This is where mine are, smooth at all speeds.
therooster2001
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- Colorado
Well, the counterbalance was just fine. I am wondering if there are multiple versions of the counterbalance. I grabbed a couple in KS and will report back on those vs mine. I have that ultra cool scale from my AC recharge, so I will weigh and report back. After that it will be the lug nut trial...
therooster2001
Active member
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- Colorado
I weighed up the components minus the short tube (I couldn't find my spare) and then the counterbalance and nut to see if it was off by stock. Anyone have a weight on the short tube with connector nut?
Edit: guess the short tube also has small bolts as well. Need that full weight to complete this math problem.
Here's the others weights:
5.09 for the counterbalance and the lug nut holding it.
4.53 for the cover, 2 lugs, the spacer, washer and bolts, plus a hiding valve (first on scale below cover) and tube. Missing short black tube with the valve connector nut.
Edit: guess the short tube also has small bolts as well. Need that full weight to complete this math problem.
Here's the others weights:
5.09 for the counterbalance and the lug nut holding it.
4.53 for the cover, 2 lugs, the spacer, washer and bolts, plus a hiding valve (first on scale below cover) and tube. Missing short black tube with the valve connector nut.
Last edited:
- 2,593
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- 113
- Location
- Sunman Indiana
I think I have a spare, I'll try to remember to get you a weight tomorrow night.
I don't think you want the small bolts in your equation, as they would be there regardless and already countered by the ones on the opposite side, correct?
therooster2001
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- Colorado
Yup, you're right, they are already there...
