What Torque Rating Should be Used to Install Trailer Suspension Shackle Bolts
Question:
I am replacing suspension on a tandem axle double eye spring trailer. I am having trouble getting the shackle bolts to seat completely, I cannot get the knurls on the shackle bolt completely seated into the shackle link and the bolt head flush. I have been using just hand tools. Is an impact wrench necessary? Thank-you
asked by: Steven G
Expert Reply:
If you are using 9/16 inch shackle bolts which are the most common you will want 65 to 95 foot pounds of torque.
If you are using 1/2 inch then go for 45 to 70 foot pounds. And for 5/8 inch bolts use 100 to 120 foot pounds.
All of these components are designed to move so you don't want to over tighten anything.
Product Page this Question was Asked From
Wet Equalizer Bolt with Locknut and Grease Zerk for Double-Eye Springs - 3" Long
- Trailer Leaf Spring Suspension
- Suspension Bolts
- Camper
- Car Hauler
- Utility Trailer
- 9/16 Inch Diameter
- 2-5/16 Inch Long
- Redline
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