

| Subject: | Re: Copious Fuel Leak at Both Manifolds |
| From: | Karl Wolz |
| Date: | Sat, 16 Feb 2013 20:04:04 -0700 |
But they're selling a lot of it! Karl Wolz Sent from my electronic umbilicus On Feb 16, 2013, at 6:10 PM, Larry Alofs <lalofs@GMAIL.COM> wrote: > What I find unsettling about this is that Go Westy seems to be selling fuel > hose that only lasts 3 years. > > Larry A. > > > On Sat, Feb 16, 2013 at 10:57 AM, Steve Williams <sbw@sbw.org> wrote: > >> Thanks for the advice. >> >> I posted earlier that my '84 camper was leaking gas badly from both >> injector manifolds. I asked a bunch of questions. I'll try to >> answer them for myself, based on what I learned. >> >> David Beierl suggested tightening the hose clamps to temporarily stop >> the leak, so I could safely drive to the shop. But GoWesty uses >> clamps with no adjusting screw that require a particular tool, with >> which I'm not familiar. So I didn't pursue that. Here's GoWesty's >> kit with a link to the tool: >> >> http://www.gowesty.com/ec_**view_details.php?id=4393<http://www.gowesty.com/ec_view_details.php?id=4393> >> >> I called the always-reliable Dick's Automotive Transport for a >> flatbed to carry the camper down to the VW experts at Peninsula >> Automotive in Campbell, California, about 6 miles from me in Santa >> Clara. Dick's is across the street from Peninsula, and they've >> carried several VWs and an Audi for me over the past 15 years or >> so. Here's me in the Rabbit chasing the Beetle on Dick's flatbed in 2007: >> >> https://www.youtube.com/watch?**v=bMRkunKQPyY<https://www.youtube.com/watch?v=bMRkunKQPyY> >> >> (Peninsula is generally a lot more expensive than Van Cafe in Santa >> Cruz, but it's wonderful to have so many knowledgeable shops around >> the Bay Area. I'm also a fan of Fred's Garage in Redwood City.) >> >> Peninsula couldn't reproduce the leak. That's one of the mysteries I >> was trying to understand. But they replaced all of the fuel lines in >> the engine compartment and installed aluminum injector >> manifolds. They also installed a metal firewall fitting to replace >> the grommet installed by GoWesty with the 2.3L engine in >> 2009. Peninsula prefers not to have the fuel line pass through the >> firewall, even with that grommet. >> >> Here's that metal fitting next to the plastic original: >> >> http://urlzr.mp/xbb (redirects to www.tk-carparts.de) >> >> Here's a copy of that image, in case the German web site goes away: >> >> http://sbw.org/big_wp_7685.jpg >> >> I don't know whether Peninsula got the manifolds from GoWesty, but >> they look very similar: >> >> http://www.gowesty.com/ec_**view_details.php?id=23458<http://www.gowesty.com/ec_view_details.php?id=23458> >> >> The old manifolds weren't leaking, but I just don't like the idea of >> 30-year-old plastic thingies filled with pressurized fuel directly >> above the exhaust. >> >> Peninsula used screw clamps, and I notice they arranged the clamps so >> the heads of the screws face up, making it easier to tighten or >> remove them when the time comes. I trust GoWesty, who eschew screw >> clamps, but I trust Peninsula, too. I'd welcome your thoughts on this. >> >> So, on to my questions. >> >> >> Is it more likely the hoses or clamped connections are leaking than >>> the manifolds? >>> >> >> Certainly the manifolds can be damaged, but I haven't read anywhere >> that they fail solely due to age. In this case, Peninsula says the >> hoses were leaking. >> >> The hoses were new with the GoWesty engine in 2009. GoWesty >> recommends replacing hoses every three years, unless you pay more for >> their "high quality" German fuel line. >> >> >> Is this the sort of leak that can start small and get worse over time? >>> >> >> Yes, since it appears the leak was due to the fuel lines >> aging. Peninsula said it wasn't until they removed the fuel lines >> that they could see they were cracked inside. >> >> Why did the leak always stop after the engine warmed up? >>> Why did the leak generally NOT occur when I drove every day? >>> >> >> I asked Dave at Peninsula. He pointed out that the fuel lines dry >> out after the fuel pressure bleeds down, which takes time. When >> filled with fuel under pressure, dried out, cracked fuel lines will >> leak more until they become saturated with fuel and "swell up." OK. >> >> When I drive every day, the fuel lines don't dry out. >> >> This was a more expensive fix than I like. Next time, I won't have >> to replace the firewall fitting or the manifolds, and I hope I'll >> have time to do it myself. So maybe it won't be such a painful experience. >> >> Glad to be back on the road without leaks! >>
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