Why Are Shackle Straps Hitting Frame When Re-Building Trailer Suspension
Question:
I have a 1992 pro design car trailer ,I got the APT8 kit and TRSL313 shackles to rebuild it,my question is the spring shackles point away from the center of the axles both with old set and new set they also hit the frame how do I go about changing this. Im using the bracket that came on the trailer they are-front and rear are 1.5 inch and the center is 3.25 inch bracket center hole to hole is 28.It has 3500 lb.spring 25 1/8.Any help would be great.Thanks
asked by: Curtis M
Expert Reply:
The problem seems to be mostly that your shackle straps are hitting the frame, and the reason for this is almost certainly because the 3-1/8" Shackle Strap # TRSL313 you are using are too long. The other possibility was the hangers being too short but that is unlikely considering the lengths you gave. What I recommend is trying out the 2-5/8" shackle straps from the the # APT8 kit you have, as those are the typical length for a tandem axle trailer, while 2-1/4" straps such as # TRSL225 are generally used on single axle trailers.
I have added links to a couple help articles as well on trailer suspension which you may find to be useful.
Products Referenced in This Question
- Trailer Leaf Spring Suspension
- Shackle Links
- Camper
- Car Hauler
- Utility Trailer
- 2-1/4 Inch Long
- TruRyde
more information >
- Trailer Leaf Spring Suspension
- Shackle Links
- Camper
- Car Hauler
- Utility Trailer
- 3-1/8 Inch Long
- etrailer
more information >
Product Page this Question was Asked From
Tandem-Axle Trailer Hanger Kit for Double-Eye Springs - 2-1/2" Front/Rear, 4-1/2" Center
- Trailer Leaf Spring Suspension
- Hangers
- Suspension Kits
- Boat Trailer
- Camper
- Car Hauler
- Snowmobile Trailer
- Utility Trailer
- Double Eye Springs
- Tandem Axle
- etrailer
more information >
Continue Researching
- Article: Double-Eye Trailer Suspension System Review
- Q&A: How to Determine Hanger Spacing on a Tandem Axle Trailer
- Q&A: How to Determine Hanger Spacing for Tandem Axle Trailer Suspension with 26 Inch Springs
- Q&A: Installation of Hanger Brackets and Springs for Tandem Trailer Axles
- Article: 5 Tell-Tale Signs It’s Time to Replace Your Trailer’s Leaf Springs
- Article: Where to Position the Trailer Axle?
- Article: How to Accurately Measure Trailer Leaf Springs
- Article: Trailer Wiring Diagrams
- Q&A: Can Tandem Axle Trailer Suspension Kit APT8 be Ordered with Wet Bolts
- Q&A: Why is Center Hanger Longer for Tandem Axle Trailer Hanger Kit
- Article: Most Popular Wheel Bearings
- Q&A: What is Needed to Add Second Axle
- Q&A: What Are The Two Upper Holes In Short Hangers In Tandem-Axle Trailer Hanger Kit APT8 For?
- Article: How to Raise Your Travel Trailer Height