

| Subject: | Re: fuel tank crossover... |
| From: | Charlie Partin |
| Date: | Sun, 13 Nov 2005 08:19:01 -0700 |
----- Original Message ----- From: "Timothy Hannink" <tjhannink@YAHOO.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Thursday, August 29, 2002 3:10 PM Subject: Re: fuel tank crossover... > I had posted the following in the Wolfsburg Camper > group in the file section and thought I had posted to > the list also. > > > If you are getting a fuel smell after filling up your > Vanagons fuel tank, or if you want to drop the fuel > tank, you might want to read the following: > > If the crossover tube is just cracked, it can be > replaced without dropping the fuel tank. The beginning > steps are the same for either task, if you find the > crossover tube was the problem you can just replace it > (around $27.00 from VW). > > I jacked the front of the van up as far as my 3 ton > jack will lift it (about a foot) and put jackstands > under the front jackpoints. > > Then I removed both front tires/wheels. > > Disconnect the 5mm fuel lines that connect the > cross-over tube to the vapor recovery tanks in the > wheelwell. (they should be on the front nipples on > both sides). Find a good pair of diagonal cutters to > remove the crimped on clamps, avoid twisting them or > you could break the nipples off the tank. > > Reach around the front of the upper control arms and > feel the area around where the crossover tube enters > the tank. Use a small brush to clean any loose dirt > from around the opening, if necessary. Pull up on the > crossover tube fittings where they go into the tank. > The grommets will probably come out with them. > > If you have some non-grit hand cleaner (GoJo white), > put it on your forearms to keep them from getting > scratched up. I use the same stuff to clean all the > parts since it doesn't require water to clean. I also > use it to lubricate all of the grommets and rubber > hoses. > > There is a one-hole strap that holds the cross-over > tube to the body above the tank. I used a long flat > blade screwdriver to bend that down and slip the tube > out under it. > > Tie a string to the right side hose that was connected > to the vapor recovery tank and pull the cross-over > tube out of the drivers side wheelwell. > > If you find that the cross-over tube is cracked, > usually at the junction right above where it enters > the tank, you can replace it now. > > Clean and re-install the grommets. Use the string to > pull the new crossover tube in place. Reconnect the > vent lines to the vapor recovery tanks. > > If you decide you still need to drop the tank, remove > the other set of 5mm lines to the vapor recovery tank > and the fill/vent line from the right side. > > I used a syphon hose to remove any excess fuel from > the tank through the fill hole. Then I removed the > fuel line between the tank and the fuel pump, and used > a pan to catch the small amount of fuel that comes out > of the tank and pump. Jump over to the left side of > the van to remove the return line at the bottom rear > of the tank. > > I used my 3 ton floor jack with a 12" x 12" x 3/4" > piece of plywood centered on the circular protrusion > on the bottom of the tank and raised the jack until it > was snug. > > Then you can loosen the tank straps and begin lowering > the tank slowly. I had to bend the rear of the straps > slightly to get them out of the holes in the frame. > > The back of the tank needs to come down first so you > can clear the lip on the frame with the front flange > on the tank. > > Once I got the tank out, I tilted it up so the fill > hole is near the bottom and syphoned the remaining > fuel out of the tank. > > Then its just a matter of removing and replacing the > vent lines and re-installing the grommets using plenty > of lubricant. > > Its easiest to hang the crossover tube from the > chassis by the 1-hole strap without the tank in place. > Use the string to route it around the various hoses > and cables properly. Once you reposition the tank and > raise it up, everything can be plugged back in. > > If you chose to remove the fuel sender, you might want > to pick up an o-ring for that fitting. Make sure that > you clean all of the dirt from around the sender > opening before you open it, it opens by twisting it > counter-clockwise about 1/16 of a turn. I was able to > save my o-ring by cleaning it in the GoJo hand > cleaner. > > You don't need to remove the vapor recovery tanks in > the wheelwells but it does make it easier to cut off > the crimped on hose clamps. There are some valves on > top of those tanks that are plumbed back to the > charcoal canister in the right rear wheelwell with a > plastic type hose. Mine were in good shape except for > the grommets that fit in the top of the tank. They are > available at VW (P/N N90105501) for around $7.62 each. > > Ken at Van-again has a kit for replacing the vent > lines, cross-over tubes and grommets (doesn't include > the vapor tank grommets) on his website > (www.vanagain.com) for around $70.00. > > I reused all of the grommets since they were in good > shape. I also use shrink tubing on the ends of all of > the fuel lines to keep the braided cover from fraying. > I got the 5mm fuel line from my local VW parts store > for around $1.25/ft, they also had the 1' piece of > large fuel line that runs between the tank and the > pump. You will also need a 6" piece of 7mm fuel line > for the return side. > > I use nylon cable ties instead of hose clamps on all > of the tank connections. None of these connections is > under pressure, so I feel safe in doing this. > > Good luck, > > Tim
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