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Update on; Anyone break a rear spring on a GMC?

Geo-TH,In

Geo-TH,In

Well-known Member
Took my truck to a spring shop. They specialize in everything from the big rigs to
cars. Nothing was wrong with rear springs. They replaced both front coil springs and
alignment front end. 504 said it could be a front spring and he was right.

I learned that one front spring is longer than the other. Guess which one is longer?

Also guess what do you think it cost me for 2 new springs, an alignment and sales tax?

Truck in a 2007, only has 75K on it, nothing was broken. Don't know why it took me so
long to notice the right rear was higher than the rest and the left front was also
lower.
 
OK, my guess is that the long spring was on the passenger side. The longer spring is softer for less normal load. From my last visit to a spring shop I'd guess you're into this for south of 200$.
 
The longer spring is on the driver's side, the side that went down on me. And I wish the total bill was only $200.

The 30 gallon + gas tank is also on the driver's side. So will someone tell me why the spring is longer on the driver's side when the road slopes to the passanger's side. Now the truck is level on level ground. I don't get it, hope someone can tell me the reasoning and why the spring went bad.
 
Several years ago, I replaced a broken front spring on a Chevy pickup with a diesel, I think the year was a 90-something.
I bought the replacement spring from ITP (Inland Truck Parts) because they could beat anybody's price at the time, although it took a little longer to receive it.
That truck is still on the road and the spring is holding up great.
 
I think you answered your own question as to why the spring is longer on the driver's side- most of the miles a truck is driven is with only the driver occupying it. The fuel tank is on that side, too. SO, there will usually be a 400lb+ weight imbalance towards the driver's side. Most roads have very little crown anymore, that is only on OLD country roads. Besides, you straddle the crown, right? ;-) Longer spring with the same stiffness= level ride height on a level road. Probably a bigger issue with a lighter duty truck VS a 1 ton. Just my $.02 -Andy
 
Sounds logical, but what doesn't make sense to me is if the left spring is longer and
stiffer, why is it level on level concrete when my big behind isn't in the truck?
 
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