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  #805  
Old 04-25-2014, 03:24 PM
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I don't recall having any such issues when I towed our ct. Only about 1000kg though.
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  #806  
Old 04-25-2014, 04:11 PM
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Quote:
Originally Posted by fireball View Post
only towed for the 2nd time today.
i swear there is something wrong with the tow bar install.

the car was making atrocious knocking noises from the rear. almost like driving over train tracks... and feeling banging through the body of the car.

and this is WITH the interference bolt now locked in place. when i didnt have it before.

compared to towing the same car trailer with the triton.. it's smooth no banging noises or shudder in the body of the car.

any ideas whether this is supposedly normal ?
Have you checked the tow bar isnt loose?
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  #807  
Old 04-25-2014, 04:45 PM
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Re: The Towing thread

Quote:
Originally Posted by fireball View Post
only towed for the 2nd time today.
i swear there is something wrong with the tow bar install.

the car was making atrocious knocking noises from the rear. almost like driving over train tracks... and feeling banging through the body of the car.

and this is WITH the interference bolt now locked in place. when i didnt have it before.

compared to towing the same car trailer with the triton.. it's smooth no banging noises or shudder in the body of the car.

any ideas whether this is supposedly normal ?

Also coming from towing with a vehicle with a chassis I found the same thing as soon as I put the box trailer on. Lots of feedback through the body. Checked everything was tight and ended up significantly improving the noise by tightening up the towball. Now acceptable but there are still times you can "feel"the trailer through the body.
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  #808  
Old 04-25-2014, 07:08 PM
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Re: The Towing thread

i have changed from a single axle box trailer to a slightly bigger dual axle box trailer. Box trailers generally have little towball weight when not loaded. my dual axle is worst because there is not towball weight. once they are loaded it is fine. i found that the banging comes from the actual coupling not having a load on it. i find that if i am accelerating or braking then the noise goes away. i have had this noise on both my Pajero and my JGC. i have mounted a spare tyre on the drawbar to load the coupling and decrease the noise
Peter
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  #809  
Old 04-25-2014, 07:10 PM
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Re: The Towing thread

Quote:
Originally Posted by pcrraa View Post
i have changed from a single axle box trailer to a slightly bigger dual axle box trailer. Box trailers generally have little towball weight when not loaded. my dual axle is worst because there is not towball weight. once they are loaded it is fine. i found that the banging comes from the actual coupling not having a load on it. i find that if i am accelerating or braking then the noise goes away. i have had this noise on both my Pajero and my JGC. i have mounted a spare tyre on the drawbar to load the coupling and decrease the noise
Peter
Oops, i was relying to fireball about the noise when towing.
cheers
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  #810  
Old 04-25-2014, 08:50 PM
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Re: The Towing thread

Quote:
Originally Posted by pcrraa View Post
i have changed from a single axle box trailer to a slightly bigger dual axle box trailer. Box trailers generally have little towball weight when not loaded. my dual axle is worst because there is not towball weight. once they are loaded it is fine. i found that the banging comes from the actual coupling not having a load on it. i find that if i am accelerating or braking then the noise goes away. i have had this noise on both my Pajero and my JGC. i have mounted a spare tyre on the drawbar to load the coupling and decrease the noise
Peter
I think you've got it there. My CT has a high ball weight. I don't get a peep out of it but then I don't have a ball either just a block of urethane.
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  #811  
Old 04-25-2014, 08:59 PM
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Re: The Towing thread

Quote:
Originally Posted by fireball View Post
only towed for the 2nd time today.
i swear there is something wrong with the tow bar install.

the car was making atrocious knocking noises from the rear. almost like driving over train tracks... and feeling banging through the body of the car.

and this is WITH the interference bolt now locked in place. when i didnt have it before.

compared to towing the same car trailer with the triton.. it's smooth no banging noises or shudder in the body of the car.

any ideas whether this is supposedly normal ?
Fireball I did a few longer tows recently and found the same. It was insane. There's actually a few things going on in my situation.

Firstly, insufficient ball weight. My tandem boat is almost at its balance point when on the Grand. I flipped the receiver adaptor which added some height, which in turn created weight on the ball. This made quite a difference.

Loose receiver adaptor. I had mine cinched up as tight as I felt appropriate... and subsequently leant on it harder than that. The fact is that the interference bolt is in the wrong place and doesn't do anything for side to side movement. I'm going to tap (thread) one of the two holes which hold the receiver trim ring and insert a horizontal bolt. I jammed some cable tie tails in to emulate this and the effect was massive.

Loose trailer coupling. I tweaked the adjustment on the trailer coupling just a smidge. I don't have technical expertise with this... I just stuffed around for 10 minutes while parked enroute. At your peril.

In all, this sorted things out to my satisfaction and it's no longer like the rear axle is falling off!

Cheers,
Steve
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  #812  
Old 04-25-2014, 11:51 PM
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Re: The Towing thread

thanks for the feeback. glad i'm not the only one that feels like the rear axle is about the fall off when i tow...

guess i'll do some fiddling ... if i cant fix it i'm just going to ask the dealer with my trailer attached to rectify it ... cos i can't imagine towing anything long distance with the amount of banging and vibration in the car that it's currently making. none of the passengers would be able to sleep through it

Quote:
Originally Posted by Barboots View Post
Fireball I did a few longer tows recently and found the same. It was insane. There's actually a few things going on in my situation.

Firstly, insufficient ball weight. My tandem boat is almost at its balance point when on the Grand. I flipped the receiver adaptor which added some height, which in turn created weight on the ball. This made quite a difference.

Loose receiver adaptor. I had mine cinched up as tight as I felt appropriate... and subsequently leant on it harder than that. The fact is that the interference bolt is in the wrong place and doesn't do anything for side to side movement. I'm going to tap (thread) one of the two holes which hold the receiver trim ring and insert a horizontal bolt. I jammed some cable tie tails in to emulate this and the effect was massive.

Loose trailer coupling. I tweaked the adjustment on the trailer coupling just a smidge. I don't have technical expertise with this... I just stuffed around for 10 minutes while parked enroute. At your peril.

In all, this sorted things out to my satisfaction and it's no longer like the rear axle is falling off!

Cheers,
Steve
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  #813  
Old 04-26-2014, 04:06 AM
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Try putting a cloth on the ball.
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  #814  
Old 04-26-2014, 05:08 AM
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Re: The Towing thread

why would that do anything ? never had to put a cloth on the ball towing with the triton ... and i'm towing the same car trailer.

the triton tows quiet, no banging, or jolting/shuddering through the bodywork albeit less power vs a noisy, unfortable towing experience with the jeep. i'm sorry jeep not towing with it till it's sorted plus i dont have the worry of being stuck in the middle of nowhere outback with a dpf regen failure limp mode.
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  #815  
Old 04-26-2014, 05:30 AM
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Re: The Towing thread

The triton has a separate chassis so doesn't transmit the sound and vibration from the trailer hitch into the cab as much as the GC, the cloth will get rid of the free play between the ball and hitch


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  #816  
Old 04-29-2014, 12:46 AM
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Fireball, do you have coil suspension? If so perhaps it's related to reports other have had with clunking rear shocks?

BTW did you try the cloth? An old pair of Rio's always stops my ball clunking
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