steveo, once you get this issue fixed, suggest you visit the Hybrid/Expandable section here, since the 18th is a hybrid TT.
There's even a Surveyor sub-forum there, where you can discuss things with other Surveyor owners.
and Zoe the Wonder Dog(R.I.P.)
'07 Roo 23SS pushing an '07 Chevy Avalanche
Equalizer WDH and Prodigy BC