EATON Detroit Spring

The leading manufacturer of leaf and coil springs for the street rod and restoration automotive industries

We Help Maintain American Icons by Manufacturing Leaf and Coil Springs Right Here in America

Phone: 1 (313) 963-3839
Fax: 1 (313) 963-7047

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      We have been manufacturing springs for American vehicles for over 80 years. Our process and expertise has been continuously refined and improved over the century and our Spring Tech section reflects some of that specialty knowledge.

      Browse our many articles, watch videos produced in partnership with AutoRestoMod, and learn all about your spring suspension here.

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  • Click to Call Now: 1 (313) 963-3839
MENUMENU
  • Home
  • Products
    • Suspension Parts
      • Leaf Springs
      • Coil Springs
      • Shocks
      • Attaching Parts And Hardware
      • Installation Kits
      • Leaf Spring Shackle Replacement Kits & Parts
    • Street Rod Suspension Parts
      • Mustang II Front End Springs
      • 48 Inch Truck Springs
    • Allstate - Chrysler
      • Allstate
      • American Motors
      • Bricklin
      • Buick
      • Cadillac
      • Chevrolet
      • Chevrolet Truck
      • Chrysler
    • Daimler - Ford
      • Daimler
      • DeSoto
      • Dodge
      • Dodge Truck
      • Edsel
      • Ford
      • Ford Truck
    • GMC - Jeep
      • GMC
      • Honda
      • Hudson
      • Hudson Truck
      • Hummer
      • International
      • Jeep
    • Kaiser Darrin - Nissan
      • Kaiser Darrin
      • Kaiser-Frazer
      • LaSalle
      • Lincoln
      • MAHINDRA
      • Mercury
      • MG
      • Nash
      • Nissan
    • Oldsmobile - Rambler
      • Oldsmobile
      • Plymouth
      • Plymouth Truck
      • Pontiac
      • Rambler
    • Sterling - Willys
      • Sterling
      • Studebaker
      • Studebaker Truck
      • Toyota
      • Willys
    • Request A Custom Quote
    • Search For Parts Here
  • Spring Tech
    • Learn About Leaf & Coil Springs
      • Spring Tech Articles
      • Tech Questions
      • Spring Tech Videos
      • Featured Elsewhere
      • EATON Detroit Spring Podcast
      • Buy Ford Manuals
    • Spring Tech 101

      We have been manufacturing springs for American vehicles for over 80 years. Our process and expertise has been continuously refined and improved over the century and our Spring Tech section reflects some of that specialty knowledge.

      Browse our many articles, watch videos produced in partnership with AutoRestoMod, and learn all about your spring suspension here.

    • Browse By Topic
      • Leaf Springs
      • Coil Springs
      • Attaching Parts
      • Ride Height & Stance
      • Ride Quality
      • Manufacturing Springs
      • Replacing Springs
      • Modifying Springs
      • Ordering Springs
  • About Us
    • About EATON Detroit Spring
    • Customer Showcase
    • Send Us Photos Of Your Ride!
    • Free Stuff For Car Shows!
    • Facebook
    • YouTube Channel
      • Spring Tech Videos
  • Order Here
    • Lookup & Purchase Your Vehicle's Parts
    • Request A Quote
    • Email Our Sales Team
    • Dealer Information
  • Find Parts That Fit Your Vehicle
  • Click to Call Now: 1 (313) 963-3839

Ziebart

Dear Mike,

I was hoping that you would be able to enlighten me some on the leaf spring failure that occurred on my 1991 Jeep Grand Wagoneer. The vehicle has around 140,000 miles on the odometer and has never seen a Buffalo winter or been abused.

A few weeks back I was on my way to a friend’s house when coming to a stop I was greeted by a loud pop and a groaning/grinding sound that turned out to be my front springs. I managed to limp the car the entire way home and found that all but one of the driver’s side leaves snapped just past the U-Bolt between the axle and rear spring eye.

Upon closer inspection of the driver’s side spring I noticed that some of the broken leaves were already rusting where they had snapped indicating this damage had been happening for quite some time.

After removal of the passenger-side front spring I also saw that a leaf in that pack had snapped in the same location.

I read on your question of the week page that the leaf spring steel does not respond well to being greased and was wondering if the Ziebart protection I had done might have the same effect as greasing springs? – Charlie

Charlie, I do not think the Ziebart had an effect of the life of the springs. Springs breaking away from the u-bolt area shows that lose u-bolts were probably not the cause. As you were braking the springs under went wrap-up, that is they tried to pivot around the axle while hold back the force of the vehicles weight. Springs break on rebound, that is when the weight is removed and when the vehicle is coming to a stop the weight is off the back 1/2 of the spring. This is when yours broke. Many other factors, including 140,000 miles, could have lead to their failure. It is hard to take a guess as to what could have caused them to fail without seeing them. However, I would not be too concerned just because of the 140,000 miles they have
seen, the springs lived a long useful life. –

Mike

Filed Under: Tech Question Tagged With: Leaf Springs, Replacing Springs

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OEM Replacement & Custom Springs

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  • Spring Experts Since 1937
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How To Order Springs For Your Vehicle

To find the correct springs for your vehicle, you need to provide as much information about your car as possible. There is no such thing as a one-size-fits-all spring.

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WARNING:

This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
www.P65Warnings.ca.gov

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EATON Detroit Spring, Inc.
1555 Michigan Avenue
Detroit, MI 48216
Phone: 1 (313) 963-3839
Fax: 1 (313) 963-7047
Email: inquiries@eatonsprings.com

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