I can't confirm this, but my guess that with crossover pipe under coolant
pipes etc., raising tank to position will put pressure on the pipe, and
possibly cause a poor seal at one or both grommets at each end of crossover
pipe. This may be one reason why some have a fuel leak after tank re-seal.

The crossover runs above everything; coolant pipes, e-brake cable etc.
 Here's some pics I took of my bastard '81 (swapped to water cooled, heater
hoses shown in non stock location), tank partially lowered, crossover in
place:

https://sites.google.com/site/tubaneil2/gastankcrossoverpipe

You can sort of see that if one had pipe below these parts, it would likely
be squished a little. Note the cable straps shown. Do NOT use these! Got
that idea from a Vanagon forum. Bad idea IMO.

A toque can help avoid cuts to the head!

Neil.

On Thu, Jun 7, 2012 at 7:59 AM, Kurt Grotz <kurtgrotz@gmail.com> wrote:

Am doing tank replacement.  I have everything in place and set to bolt
> in.....  Unsure about one thing... should the cross over breather go up and
> around the coolant piping, or can I plug it in and push tank up.   I hate
> to let it down and try the later procedure - but will if I have to.
>
>  Plus - I have been working on Reg Vans for 20+ years.  My head is used to
> clear sailing when crawling under.  Got several gashes in the old nogger
> from the propane unit to remind me of the difference.

--
Neil n

65 kb image Myford Ready For Assembly  http://tinyurl.com/64sx4rp

'88 Slate Blue Westy to be named.

'81 VanaJetta 2.0 "Jaco"  http://tubaneil.googlepages.com/

Vanagon VAG Gas I4/VR Swap Google Group:

http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines