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Author Topic:   trailer noises
montaukman posted 06-01-2005 02:23 PM ET (US)   Profile for montaukman   Send Email to montaukman  
Hi,

Can anyone comment on the noises of their trailer when they pull it? I have a 170 montauk with a karavan trailer and recently i noticed that when driving over 20 mph when I hit a bump (little or big) i get a big rattle or bang.

This is maybe the 6th time I have trailered and I noticed it now twice.

I have launched and retrieved the boat since first hearing the noise and i stil get it. Almost sounds like the boat is bouncing on the bunks. The tie downs are tight and the boat is cranked tight and up against the bow roller on the trailer.

I checked lug nuts and they seem fine. Maybe i need to lower the tire pressure? it is only heard when the trailer wheel go over a bump. It doesn't appear to be from the hitch area.

Any insight would be helpful. Maybe nothing is wrong but i have nothing to gage it against since i have never trailered a boat before this.

Thanks,

Alan

Woodee posted 06-01-2005 02:58 PM ET (US)     Profile for Woodee  Send Email to Woodee     
I have the same set-up, and I think I have the same noise.
I've had someone ride in the back of my pick-up and all they could say was the flipped up tongue jack makes a god-awful racket. They're easily removable, so this could be tested. No, I haven't done that yet. (Lazy)
Woodee
montaukman posted 06-01-2005 11:30 PM ET (US)     Profile for montaukman  Send Email to montaukman     
Woodee,

Your idea about the tongue jack sounds like it may cause some of the rattling i am hearing but what realy has me puzzled is a different noise. It is more of a loud bang like something heavy or substantial slamming.

I am at a loss. I am sure it is nothing. It is a brand new trailer and boat. Maybe it is normal. Can't imagine anything has broken in the 5 6 times i have trailered her all of 6 miles each way.

Anyway, any other feedback is definitely welcome.

Thanks,

Alan

high sierra posted 06-02-2005 12:09 AM ET (US)     Profile for high sierra  Send Email to high sierra     
The rear portion of the left spring bangs and squeeks on my Karavan. Not much to do really. High Sierra
Barry posted 06-02-2005 07:37 AM ET (US)     Profile for Barry  Send Email to Barry     
If you have a drawbar check it for any play. Also check to make sure you are using the correct ball size.
bigjohn1 posted 06-02-2005 08:24 AM ET (US)     Profile for bigjohn1  Send Email to bigjohn1     
Alan,

Get your socket set, ratchet, and a set of open-end wrenches and go outside. Starting at the front of the trailer and working aft, check EVERY bolt and nut which is reasonably accessible with the boat on the trailer. Next time you launch the boat and have the trailer empty in the parking lot, take the 10 minutes or so and check the remaining bunk mounting bolts/nuts for tightness. It would also be a good idea to use a tape measure and ensure the bunks have the same amount of clearance on both sides. This will give you the peace of mind that everything is tight and installed correctly.

I tend to think, like Woodee, that's its likely the jack but you never know. Several of my trailer bolts and nuts were loose and I had to tighten them....the bunks were not positioned correctly either so I fixed that. Given the scenario you described some weeks back with your delivery experience, its quite possible your bunks might not be perfect either. I have an EZ-Loader but I have no rattle from the trailer at all. I do get some rattling noise from my drawbar's loose fit in the truck's receiver though and just live with it. I don't leave my drawbar on the truck when not towing so its bearable.....good luck.

montaukman posted 06-02-2005 08:46 AM ET (US)     Profile for montaukman  Send Email to montaukman     
Thanks guys,

I will check all that out. Normally I wouldn't be suspect but considering the problems i had with my dealer, ya never know.

What is a drawbar?

The 170 sits flush on the bunks so there is no gap between the hull and the bunk. Again, could the tires be over inflated. I haven't checked the pressure yet.
+

Once again, thanks for all your help. Gotta tell ya, I love this boat. Have been out 6 times and each time it gets better. My daughter is already cool with cruising at 22 mph. She was terrified at going past 6 mph at first. My wife is still skiddish and hates the rolling wakes created by the bigger boats and the chop. She is warming up to it little by little. Actually is looking forward to hitting the beach again this weekend with the 170.

All the best,

Alan

Riverwhaler posted 06-02-2005 08:52 AM ET (US)     Profile for Riverwhaler  Send Email to Riverwhaler     
Be sure that the tongue weight is correct also. If there is not enough weight pressing down on ball the receiver doesn't have enough weight to hold it from shucking up and down. Should be at near 100 Lbs weight on ball.
Chuck Tribolet posted 06-02-2005 01:06 PM ET (US)     Profile for Chuck Tribolet  Send Email to Chuck Tribolet     
Drawbar is the square piece with the hitch ball on it that
goes into the receiver on your truck. They are often a little
loose at the pins. West used to sell a plastic covered pin
that helped cut the racket a LOT.


Chuck

highanddry posted 06-02-2005 02:24 PM ET (US)     Profile for highanddry  Send Email to highanddry     
Make sure the ball is tight and of the corrects size, that the drawbar is correct to the hitch and that the hitch is secure to your vehicle. Do not lower tire pressures for a soft ride. Inflate tires per spec on the trailer manual.

Trailers make funny noises!

Plotman posted 06-02-2005 02:53 PM ET (US)     Profile for Plotman  Send Email to Plotman     
Are you using transom tie down straps? If not, get some - you don't want your boat to be able to bounce on the trailer.

davej14 posted 06-03-2005 08:40 PM ET (US)     Profile for davej14  Send Email to davej14     
Heven't checked the tire pressure yet?? This is something you should get in the habit of checking before each trip. Get yourself a tire pressure gauge and a high pressure bicycle pump and NEVER run the tires less than the recommended tire pressure, which should be checked "cold", before you get started. Under inflated tires will quickly overheat at highway speeds and fail.
Chuck Tribolet posted 06-03-2005 09:57 PM ET (US)     Profile for Chuck Tribolet  Send Email to Chuck Tribolet     
Bicycle pump? Nah, 4 HP air compressor. Bought it back when
I had a one bedroom apartment 30 years ago. Wired the
closet for 220V to run it. More Power! Tim Taylor lives!


Chuck

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