Drive at least 50 to 100 miles pre sunrise and get out and immediately take temps of shocks (use your hand or thermal gun), if not warm the shocks are cold and stopped working.
How to tell if your shocks are bad
Discussion in 'Trucks [ Eighteen Wheelers ]' started by peekaboonotyou, Aug 9, 2019.
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Doesn't always work that way. The best way is ...
if the shocks are on the truck for over 125k ...
Replace them.
Sometimes it is better to replace them at 90k.slow.rider, Rounded_nut, magoo68 and 2 others Thank this. -
On the road I drive on, I bet 50 gets them in the summer months, in winter the roads are much smoother, but shocks don't work well at 40 below either.
slow.rider and jamespmack Thank this. -
slow.rider, REO6205, jamespmack and 1 other person Thank this.
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I have bought a used Freightliner truck from second owner with over 1 million miles with original shocks. All of my 3 year old trucks that i bought from dealers with 400k to 600k miles have original shocks. The current truck that I just bought, 2016 Kenworth T680 with 390k miles have all original shocks. I know they are original shocks because the bolts still have original paint.
I have been told by dealers to change shocks every year or 100k miles. But no one is changing them. So far, everytime I change shocks, I have not notice much improvements in vibration or roughness. Even when I have bad tire wear or rough bumps, changing shocks did not resolve my issues. This is probably most people do not change shocks if they still look good.Last edited: Aug 9, 2019
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benjamin260_6, larry2903 and D.Tibbitt Thank this.
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I replace shocks every year but I also don’t notice any difference at all.
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I usually replace shocks when they are start leaking... if it’s not yellow ones, those filled with some gas and you can tell by how warm are they. Lot of people saying to replace them every time you change tires. There no point to replace every 100K miles.
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Just my $.02 -
Another way to tell if shocks are bad is if you get bounced out of the seat. I complained about the ride of my old cab to the shop, and the shocks had been on so long that they had to cut them off. They were frozen solid.
slow.rider Thanks this.
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