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How to Repair a Stuck Trailer Jack

What you need

  1. How to Repair a Stuck Trailer Jack, How to Repair a Stuck Trailer Jack: step 1, image 1 of 1
    • Remove the trailer jack from trailer.

    • Use a 19mm box end wrench to remove the 19mm hex head bolt that secures the jack to the trailer.

    • Slide the jack off the trailer to remove.

    • Be sure to safely support the trailer before removing (With a vehicle or jack stands).

  2. How to Repair a Stuck Trailer Jack: step 2, image 1 of 1
    • Remove the nut and bolt that secures the handle to the jack.

    • Use two half-inch box end wrenches to remove the half-inch bolt and nut.

    • Slide the handle upward after removing the nut and bolt to remove the handle.

    • Set the handle aside.

    • Screw the jack to the most extended spot the jack will go.

  3. How to Repair a Stuck Trailer Jack: step 3, image 1 of 1
    • Lift the spacer or washer upward.

    • Set the washer aside.

  4. How to Repair a Stuck Trailer Jack: step 4, image 1 of 1
    • Turn the jack upside down and use a hammer to gently slide the upper assembly off the lower assembly.

    • Set the upper assembly aside.

  5. How to Repair a Stuck Trailer Jack: step 5, image 1 of 1
    • Begin to remove the rust and corrosion using a die-grinder and steel wire wheel.

  6. How to Repair a Stuck Trailer Jack: step 6, image 1 of 1
    • Apply grease or anti-seize lubricant to the screw assembly.

    • Screw the screw assembly to full extension and shortest extension to ensure lubricant reaches every section of the screw assembly.

  7. How to Repair a Stuck Trailer Jack: step 7, image 1 of 1
    • Remove rust and corrosion from the upper and lower assemblies of the jack using a die-grinder and sanding pad.

  8. How to Repair a Stuck Trailer Jack: step 8, image 1 of 1
    • Paint the upper and lower assemblies for prevention of future rust and corrosion.

  9. How to Repair a Stuck Trailer Jack: step 9, image 1 of 1
    • During re-assembly, align the notch on the upper assembly to the grove on the lower assembly.

  10. How to Repair a Stuck Trailer Jack: step 10, image 1 of 1
    • Use a hammer to force the upper assembly over the lower assembly.

    • Be sure to align the grove and notch of the assemblies.

  11. How to Repair a Stuck Trailer Jack: step 11, image 1 of 1
    • Install the washer and the jack handle over the stud of the jack.

    • Insert the bolt through the handle and the hole located on the stud.

  12. How to Repair a Stuck Trailer Jack: step 12, image 1 of 1
    • Install the jack to the trailer and test for correct operation.

Conclusion

To reassemble your device, follow these instructions in reverse order.

3 other people completed this guide.

One Comment

Thank you, very helpful. our tongue jack was a bit different looking but the principles were all the same, and with the help of this guide we got it fixed.

Loren Turner - Reply

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