Fiver Hitch Clunk

KennyB · 05-21-2010, 08:19 AM

We just picked up our new 30SK and while towing it home we noticed that there is a pronounced clunk when stepping on the brakes and coming to a stop. I don't remember hearing this with our old fiver. I've checked all the bolts on the hitch as the dealer had to raise it up a couple of holes. It locks into place very solidly and the safety pin goes in easily. Any thoughts on what might be causing this?

rcflyer · 05-21-2010, 10:01 AM

Disconnect the 7 way plug and see if you still get the noise. This will determine if it is the trailer brakes or not. If it goes away then it could be the trailer brakes or the trailer suspension. Check the bolts on the pin box.

Have someone watch the trailer hitch and pin box when you move foreward a little and hit brakes firmly.

fhenn · 05-21-2010, 10:33 AM

Try adjusting the brake controller where it comes on a little sooner

Stan · 05-21-2010, 11:18 AM

I had the same problem with my 30SK and Reese hitch (although it is not necessarily a 30SK problem) and it was the play between the pinbox "pin" and the closing jaws of the hitch. I ended up getting a Glide ride pinbox and the clunk went totally away (except for very hard braking and fast starts from a stop). I can highly recommend the Glide Ride. The fiver really rides much smoother as it absorbs a lot of the road bounce.

lenny · 05-21-2010, 03:42 PM

There should be an adjustment to tighten the hitch up, where the pin rides. Too tight and you will have a hard time unhooking. Too loose and you will have excessive clunking when stopping or starting.

dja29RK · 05-21-2010, 10:35 PM

Probably the pin box chunking. Mine has a Travel Aire and don't have a problem. I also noticed when I towed it home empty the I got more movement, same with the 29RK.

KennyB · 05-21-2010, 11:59 PM

I had the dealer put ona Trailair Rota Flex pin box so I don't think the pin box is the problem. My hitch is an older Hijacker and I do see and adjusting bolt on the back of it. Ithink I'llgive that a try.

We had a little problem adjusting the breaks when I first hooked to it but I think they are OK now.

Thanks for all the suggestions and I'll let you know at a later date how it went.

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