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Replacing noisy Harbor Freight Slipper Springs


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jscherb

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Posts: 2,722
Threads: 58
Joined: Nov 2012
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#1
My least favorite feature of the Harbor Freight trailer frames are the "slipper" springs. Slipper springs have only one bolt attaching them to the frame, and the other side of the spring "slips" between the frame and a retaining bolt. They almost always rattle between the frame and the bolt as the trailer goes over bumps. In the illustration below, the left side is from the HF instruction book and shows the stock slipper spring.

The solution to the slipper noise is to replace the springs with shackle-type springs, which are bolted at both ends. There are lots of ways to do this, most involving bolting new spring mounts/shackle mounts to the frame. Places like Tractor Supply sell all the necessary parts and replacement shackle springs. Some people install softer Jeep Wrangler YJ springs with excellent results.

There is also a complete bolt-on solution. Tractor Supply sells 20.25" 1000-lb. capacity shackle-type springs, and these, along with a set of Tractor Supply shackle straps and a few new bolts will bolt right up to the stock HF spring mounts with no drilling or other modifications. Since the HF spring mount is about 2 1/8" wide, and the TSC spring is 1 5/8" wide, a few washers will be needed on the bolt on the spring end of the shackle straps to take up the extra space. The right side of the drawing below shows the shackle spring implementation.

[Image: HFShackleSprings_zps17674a3b.jpg]
 
Messages In This Thread
Replacing noisy Harbor Freight Slipper Springs - by jscherb - 04-08-2013, 01:55 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by Southerncomfort - 04-08-2013, 03:14 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by armyRN - 05-13-2013, 01:22 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by sburggsx - 05-16-2013, 01:46 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by jscherb - 05-16-2013, 02:50 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by armyRN - 05-17-2013, 01:30 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by sbjeeper84 - 08-02-2013, 08:42 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by kronicbass79 - 08-13-2015, 09:29 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 08-03-2013, 07:20 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by drswyo - 08-31-2013, 09:14 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by jscherb - 09-01-2013, 04:51 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by drswyo - 09-01-2013, 08:11 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by drswyo - 09-01-2013, 10:59 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 08-31-2013, 09:53 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 09-01-2013, 07:56 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by armyRN - 09-21-2013, 03:59 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 09-27-2013, 04:48 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by jscherb - 09-28-2013, 03:23 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by galerdude - 09-27-2013, 05:44 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 09-28-2013, 05:23 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by galerdude - 09-29-2013, 07:44 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 09-29-2013, 08:36 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by sbjeeper84 - 10-07-2013, 05:11 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 10-24-2013, 11:51 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by whiskytango - 05-04-2014, 06:27 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 05-05-2014, 06:52 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by whiskytango - 05-05-2014, 07:00 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 05-05-2014, 07:26 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by whiskytango - 05-05-2014, 07:41 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 05-05-2014, 08:00 AM
Replacing noisy Harbor Freight Slipper Springs - by Walley_eye - 12-23-2014, 08:57 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 12-23-2014, 09:24 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by jeepin_idaho - 03-05-2015, 01:38 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 03-05-2015, 01:46 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by jeepin_idaho - 03-07-2015, 09:56 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 03-08-2015, 07:35 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by E.J. - 04-09-2015, 06:22 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by Wagoneer - 04-09-2015, 07:00 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 04-09-2015, 07:02 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by E.J. - 04-09-2015, 07:08 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 04-10-2015, 05:10 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by E.J. - 04-10-2015, 05:21 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 04-10-2015, 05:33 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by BADDANDY - 04-10-2015, 08:58 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 04-11-2015, 04:57 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by BADDANDY - 04-11-2015, 06:57 PM
Replacing noisy Harbor Freight Slipper Springs - by Wagoneer - 04-11-2015, 06:27 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by BADDANDY - 04-11-2015, 06:46 PM
Replacing noisy Harbor Freight Slipper Springs - by Wagoneer - 04-11-2015, 06:53 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 04-12-2015, 07:55 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by BADDANDY - 04-12-2015, 08:55 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 04-12-2015, 04:19 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by E.J. - 04-12-2015, 04:58 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by BADDANDY - 04-18-2015, 09:42 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by E.J. - 05-10-2015, 12:11 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by TOM R67 - 05-14-2015, 03:56 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by TOM R67 - 05-24-2015, 08:35 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 05-25-2015, 05:15 AM
Replacing noisy Harbor Freight Slipper Springs - by Walley_eye - 05-25-2015, 06:29 PM
RE: Replacing noisy Harbor Freight Slipper Springs - by Scott - 05-26-2015, 08:12 AM
RE: Replacing noisy Harbor Freight Slipper Springs - by TOM R67 - 05-26-2015, 01:59 PM
Replacing noisy Harbor Freight Slipper Springs - by Walley_eye - 05-26-2015, 02:27 PM
 
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