Undersling Jayco Sterling

Submitted: Thursday, Mar 27, 2008 at 18:37
ThreadID: 55985 Views:3185 Replies:5 FollowUps:8
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I have a 23' Jayco Sterling that I am looking at underslinging. I live on the northern Gold Coast. Does anyone know where I can have the van underslung and recertified in south east Qld?

Dave P
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Reply By: Member - Borgy.. (SA) - Thursday, Mar 27, 2008 at 18:51

Thursday, Mar 27, 2008 at 18:51
G'day Dave

When my BIL bought his Jayco in Perth couple of years ago, Jayco organised to have the undersling done for him, maybe contact Jayco and ask.

Cheers......Dave
AnswerID: 295052

Reply By: Dunaruna - Thursday, Mar 27, 2008 at 19:12

Thursday, Mar 27, 2008 at 19:12
Don't know them personally but have spoken to many customers who have nothing but praise for Caboolture caravan repairs.
AnswerID: 295058

Reply By: zacc - Thursday, Mar 27, 2008 at 19:49

Thursday, Mar 27, 2008 at 19:49
excuse my ignorance, what is this undersling? cheers
AnswerID: 295070

Follow Up By: Dunaruna - Thursday, Mar 27, 2008 at 19:53

Thursday, Mar 27, 2008 at 19:53
Moving the axle(s) from the top of the springs to underneath.
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FollowupID: 561012

Follow Up By: TD100 - Thursday, Mar 27, 2008 at 20:13

Thursday, Mar 27, 2008 at 20:13
another name for it is spring over conversion.
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Follow Up By: zacc - Thursday, Mar 27, 2008 at 20:14

Thursday, Mar 27, 2008 at 20:14
ahh i see.is this to get more ground clearance? if so why dont they do it from new? will it make the van more unstable? and why would it have to be resertisfied? sorry about the question.
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Follow Up By: Dunaruna - Thursday, Mar 27, 2008 at 20:31

Thursday, Mar 27, 2008 at 20:31
Every state has different regulations, some require recertification if modifications are performed.

Caravan manufacturers juggle between offroad ride height/suspension dynamics/tow vehicle ball height (in relation to coupler height )etc etc etc.

Raised suspension is available from factory, but not every factory. Underslinging is a cheap and easy way to gain 90mm.
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FollowupID: 561028

Follow Up By: Dunaruna - Thursday, Mar 27, 2008 at 20:35

Thursday, Mar 27, 2008 at 20:35
and yes, it can make it more unstable, but that can be offset by resetting the tow hitch so that it rides level with the tow vehicle.
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FollowupID: 561031

Reply By: Member - DAZA (QLD) - Thursday, Mar 27, 2008 at 20:32

Thursday, Mar 27, 2008 at 20:32
Hi Dave
Try King Springs at Southport they are a Major Spring Manufacturer,
they have done Boat Trailers for me in the past they supply and
install.

Cheers
Daza.
AnswerID: 295091

Follow Up By: Montereykeys - Friday, Mar 28, 2008 at 10:46

Friday, Mar 28, 2008 at 10:46
Thanks for all the replies. King Springs don't do this work but they put me on to a guy called Bob Woods in Labrador. He can do the work but he said recertification isn't necessary under Queensland regulations. Would this be right?

Dave P
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FollowupID: 561177

Follow Up By: Member - DAZA (QLD) - Friday, Mar 28, 2008 at 11:53

Friday, Mar 28, 2008 at 11:53
Hi Dave

Contact the Dept of Machinery / Transport Dept, in Upton Street
Bundall.

Cheers
Daza
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FollowupID: 561187

Follow Up By: Montereykeys - Friday, Mar 28, 2008 at 16:10

Friday, Mar 28, 2008 at 16:10
Daza, I called Queensland Transport. The answer is certification is not required because underslinging a caravan that was manufactured with the axle on top of the springs is not allowed. The only exception is if the caravan manufacturer itself approves such a modification and that in itself is the certification.

Dave P
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FollowupID: 561218

Reply By: time waster - Friday, Mar 28, 2008 at 17:32

Friday, Mar 28, 2008 at 17:32
My Dad ordered his underslung from the jayco factory a stirling tandem
AnswerID: 295270

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