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Old 09-03-2015, 10:59 PM   #1
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Height adjustments on a Reece 16k slider hitch

I just this past Tuesday picked up my 2016 Puma 259RBSS 5th wheel and noticed that it doesn't sit level when hooked to my truck. The dealer technician noticed it after the walk-thru when we hooked up but never offered to adjust the hitch( Lunch Hour). He said if i wanted to when i got home i could adjust it after I'm unhooked and said it's easy to do. I've got about 3 1/2 to 4 inches that i can lower it without the 5'er hitch rubbing the tailgate and it will put it about 6in above bed rails. I know where to adjust it but how hard is it to lower the hitch and would i need to use a lithium grease or Wd-40 to loosen somewhat to line up the bolt holes? I'm towing with a Reece 16k slider. I'm new to 5th wheels and i want to do it right! Thanks!!


The Allen's
2016 Palomino Puma 259RBSS
2012 GMC Sierra 2500HD 6.0
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Old 09-03-2015, 11:05 PM   #2
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Are you trying to lower the hitch or raise the pinbox? 6" is pretty close to the bed rails, but if the pinbox is going to "rub" the tailgate,then it will "rub" the box rails in a corner as well.
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Old 09-03-2015, 11:17 PM   #3
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I'm trying to lower the hitch! I've got a Reece 16k slider! This Puma nose is quite high in the air!
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Old 09-04-2015, 10:42 AM   #4
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6" bedrail clearance is what most of us shoot for ... much less and you'll scuff your rails at some point manuvering into unlevel campsites. It relatively easy to adjust hitch height. It can be done either by moving the pinbox on the fiver or by moving the hitch in the truck bed ... either way works. Just remove the bolts and move as needed. A round punch or round nosed prybar helps. Torque them up per spec after you get it where you want it. If you move the pinbox ... get a helper. If your pinbox is in the top holes, then you'll have to lower the truck hitch. What do you mean "fiver hitch rubbing the tailgate"? Are you talking about when the slider is all the way back? The hitch pin center point in normal tow configuration should have been mounted in the truck bed directly over the rear axle or maybe an inch behind. If you have a jacked up 4WD, you will struggle to get the fiver level no matter what you do.
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Old 09-04-2015, 02:30 PM   #5
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It is much easier to adjust the Reese hitch height than it is to adjust the pin box height on your 5th wheel. The four 1/2" nuts on your hitch require 75 lb. ft. of torque. It might be a slight struggle adjusting the hitch height alone but it is very doable. The 5/8" nuts on my pin box require 135 lb. ft. of torque but they were a big chore to remove and required a helper. I recommend leaving the pin box alone and adjust the hitch height.

Just be sure to closely check your clearances while turning on uneven ground. As has been mentioned, 5" or 6" of clearance on level ground is a common amount but always watch things closely when maneuvering over uneven ground.
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Old 09-04-2015, 03:15 PM   #6
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Thanks for the info. I finally lowered my hitch down some and I'm gonna torque the nuts at 75 Ft lbs as u say and hookup the Puma and see how it sets! I know it will be more level than it was! Appreciate the torque info. My manual didn't say what specs to torque them!
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Old 09-04-2015, 03:46 PM   #7
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Here is a link to the Reese 16K 30035 hitch manual. Here is a link to the Reese 16K 30048 manual. Note, the 30048 manual says to torque to 85 lb. ft. while the 30035 manual says 75 lb. ft.

Just google for your hitch manual, e.g., "Reese 30048 instruction manual." The Reese.com site will have a link to the correct manual.
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Old 09-04-2015, 06:10 PM   #8
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Ok thanks i'll check them sites out!
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Old 09-04-2015, 06:31 PM   #9
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Quote:
Originally Posted by dieselguy View Post
6" bedrail clearance is what most of us shoot for ... much less and you'll scuff your rails at some point manuvering into unlevel campsites. It relatively easy to adjust hitch height. It can be done either by moving the pinbox on the fiver or by moving the hitch in the truck bed ... either way works. Just remove the bolts and move as needed. A round punch or round nosed prybar helps. Torque them up per spec after you get it where you want it. If you move the pinbox ... get a helper. If your pinbox is in the top holes, then you'll have to lower the truck hitch. What do you mean "fiver hitch rubbing the tailgate"? Are you talking about when the slider is all the way back? The hitch pin center point in normal tow configuration should have been mounted in the truck bed directly over the rear axle or maybe an inch behind. If you have a jacked up 4WD, you will struggle to get the fiver level no matter what you do.
Thanks for the input.I dropped my hitch in truck approx. 3in and that helped a bunch. My truck is 4wd but not lifted. It's got 18in tires just like when it came from factory. I still have roughly 8in bed rail clearance and the fiver is more level. I think it will be ok and i won't have to mess with the king pin!
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