Jerking while towing - Page 3 - Fiberglass RV


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Old 04-04-2010, 02:56 PM   #29
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Now, how would one find the torque specs for the trailer nuts? Would that be a factor of the lugs (axle) or wheel or...


Raya
Raya:

Here is a chart which might be helpful

http://www.tirerack.com/wheels/tech/...jsp?techid=107

Brian
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Old 04-04-2010, 03:23 PM   #30
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Thanks, I see they say "bolt or lug," so that should cover trailers too.

(I buy my car tires from Tire Rack, but had never noticed this page since I already knew what my car torque spec was.)

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Old 04-07-2010, 05:41 AM   #31
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Yesterday I contacted our local hitch installation specialist and asked whether they stock the Reese hitch ball wrench, a wrench which fits 1 1/8" and 1 1/2" nuts, or alternatively whether they could torque the hitch ball to 150 ft. lb.

They don't stock the wrench, although I have seen it in two different Washington state Walmart rv sections and most regular online trailer sources and Amazon.com.

They said they do not use a torque wrench on hitch balls, just an impact wrench, and don't know what the torque is!

If torque is important, the alternatives seem to be:

1. buy your own hitch ball wrench and estimate the torque by knowing the length of the wrench and guessing the force you are applying to it
2. buy a proper torque wrench and socket


Any experience on this?

Brian


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Old 04-08-2010, 11:58 AM   #32
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If torque is important, the alternatives seem to be:

1. buy your own hitch ball wrench and estimate the torque by knowing the length of the wrench and guessing the force you are applying to it
2. buy a proper torque wrench and socket
Yesterday I had our Subaru in for regular servicing and asked if they could torque the hitch ball to 150 ft. lb. and they did it!

Now I just have to get out on the road and try it out!

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Old 04-08-2010, 04:26 PM   #33
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I don't have a special wrench to tighten the ball. I inserted my drawbar sidewise into the hitch, then used a pipe wrench with about a 1 foot handle on the nut of the tow ball and stood on the end of the wrench to tighten it, kind of bounced up and down gently on it too, I weigh 175 which was short of the torque needed. Vaguely recall the torque value specified was 200-250 ft. lbs., ball has never come loose, has a big old lock washer on it.
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Old 04-09-2010, 02:17 AM   #34
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Torque . . .Navy definition


!/4 turn past stripped
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Old 04-10-2010, 05:33 PM   #35
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If torque is important, the alternatives seem to be:

1. buy your own hitch ball wrench and estimate the torque by knowing the length of the wrench and guessing the force you are applying to it
2. buy a proper torque wrench and socket
Yesterday I picked up a Reese hitch ball wrench and checked out the method of tightening the hitch ball using the hitch receiver as a vice described by others. This method seems to work!


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Old 04-11-2010, 02:10 AM   #36
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Hi: All...You must also check the trailer coupler clamp to make sure it is not to slack but only allows the stinger to move freely as in turns etc. Insert the ball into the coupler and snap the clamp tight. Does the stinger drop too freely??? Does the ball move/slop in the clamp??? If so tighten the clamp nut...but not to tight!!!
Alf S. North shore of Lake Erie
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Old 04-15-2010, 12:33 AM   #37
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Now I just have to get out on the road and try it out!

Brian
We just returned from a trip from Vancouver BC to Deception Pass WA and back, a trip of about 90 miles each way.

Wonderful camping!


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With our new hitch torqued to 150 lb. ft. we experienced no "jerking while towing", so I conclude that the likely cause of our earlier experience was a loose hitch ball.

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Old 05-31-2010, 08:18 AM   #38
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I had the same problem. It felt like the trailer was constantly "pushing" the tv. The nut was loose on the ball. I clamped it in a vise and used a pipe wrench to tighten and the problem was solved!
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Old 05-31-2010, 10:44 AM   #39
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Was that pipe wrench calibrated to 150lbs. ? LOL

Bill K

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I had the same problem. It felt like the trailer was constantly "pushing" the tv. The nut was loose on the ball. I clamped it in a vise and used a pipe wrench to tighten and the problem was solved!
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Old 05-31-2010, 10:57 AM   #40
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Was that pipe wrench calibrated to 150lbs. ? LOL

Bill K
I use my fathers formula. " Tighten til it cracks then back it off 1/2 turn," similar to the navy way.
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