my guess is at least your shocks are shot. even new they have way to litte compression and rebound dampening. I replaced mine with Bilsteins at 1,000 miles (yes, 1,000 miles). The factory shocks may be good for unloaded rides but IMHO are terrible for towing. And check that hitch. mine bent with an 800lb tongue load. quickly replaced with a Reese Titan (AKA tow beast) Class V.
2011 Keystone Outback 295RE
2004 14' bikehauler with full living quarters
2004.5 Silverado 4x4 CC/SB Duramax/Allison
rode2nowhere wrote: do not know tongue weight sorry, will check hitch, how do i know difference between factory and class v?
Of all the things discussed the tongue weight is the most important. The number one cause of a trailer to porpoise is a tail heavy trailer. No cost to redistribute weight to correct the problem.
rode2nowhere wrote: do not know tongue weight sorry, will check hitch, how do i know difference between factory and class v?
class V will have a 2.5" reciever opening. Class IV will be a 2".
Class V is rated to at least 1400, usually 1700lbs WD and 17,000 towing capacity. Class IV is usually 1200lbs and 12,000 lbs
and finally it should have a label as to class
and the 04 duramax has a class IV hitch that is very wimpy and easy to break. Having mine bend with only 800lbs WD and a 6,000lb trailer, I'd never have towed a bigger trailer with it. Bent within 6 months and off it went for a Reese Titan Class V 1700lb/17,000lb rating.
The sprinter likely is overloading the factory hitch, and as mentioned in an earlier post your shocks very likely need replacing. Even new they are not up to a towing task. way to little damping.
Ktmrfs wrote: snip...and finally it should have a label as to class
Snip...
I have never seen a hitch with a hitch class label on it. The V-5 designation on the label is a government document reference and not the class of the hitch.
There are also some Class V hitches that have a 2 inch opening. I have one on my vehicle. The best way to determine it is to look at the weight limitations that are on the sticker on the hitch. As already mentioned, anything over 12,000/1200 is generally considered a Class V although there is really no government designation for that class, and each manufacturer can make up his own requirements.
Barney
2004 Sunnybrook Titan 30FKS TT
Hensley "Arrow" 1400# hitch
2002 Ford F250 Super Duty, 7.3L PSD Visit our website here
Your factory GM hitch will have a GM logo on the sticker. Yes, it is that obvious.
The factory hitch is made from round tube, and is bolted to the rear bumper of the truck. On the off chance that the sticker has peeled off, look for those features to determine that it is a GM hitch.
MOST aftermarket hitches are made from square tube, and do NOT bolt to the bumper.
2002 Chevy 3500 DRW 8.1L/Allison
2000 Palomino B1500
...and the reason why I need a DRW to haul a Palomino:
2004 United 7x14 tandem axle enclosed toy trailer
2011 PJ 8x20 7-ton deckover equipment trailer
well i want to keep it safe, shocks i am sure have never been changed, I have an equalizer sway hitch 6000 pound which i would say is too small for my set up. I have no sway just bounce, It does have 2 inch receiver too. It is not a round hitch but probably is a class 4 , I see more money needed again,
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