

| Subject: | Re: Bus Depot: Pierburg Fuel Pump |
| From: | Mark Belanger |
| Date: | Thu, 20 Jun 2019 13:11:33 -0700 |
After scorching my throat that first time, I wised up and started carrying a siphon doohickey to keep my lungs out of the loop. Though, sounds like the Delphi has been keeping you unlocked, so perhaps it's unnecessary. -MB On Thu, Jun 20, 2019 at 1:04 PM Ryan Cresawn <jrcresawn@gmail.com> wrote: > Mark, > > I agree with your diagnosis of vapor lock. A few people in Arizona with > air-cooled Buses have told me the same thing. > > Ryan > > > On Thu, Jun 20, 2019 at 12:21 PM Mark Belanger <mbelanger@gmail.com> > wrote: > >> Ryan, >> >> That sounds an awful lot like vapor lock. You need to remove the hose >> just before the fuel injection rail (or carb) and suck on it until fuel is >> flowing again. I had to do that on a '78 Jeep CJ in the middle of nowhere >> and I thought I was going to die, but we got moving again. >> >> >> -MB >> >> On Thu, Jun 20, 2019 at 11:47 AM Ryan Cresawn <jrcresawn@gmail.com> >> wrote: >> >>> In early August 2017 I drove my 2.1 liter 1991 Vanagon into Roswell, New >>> Mexico and the engine stalled at a stoplight while at idle. There were no >>> problems during the prior 1,700 miles of the trip. It was hot on that day >>> in Roswell. The Vanagon sat on fresh asphalt and the ambient air >>> temperature was around 100 F degrees. I'm sure the road surface was >>> hotter >>> than the air temperature due to the clear sky and bright, late-afternoon >>> sun. >>> >>> After the engine stalled I was not able to start it and my brother and >>> two >>> police offers pushed the Vanagon to a parallel parking space on a side >>> road >>> near the courthouse. My brother and I began some simple diagnostic work >>> and >>> weren't able to determine what caused the stall. After about 45 minutes I >>> started the engine and it ran perfectly for the rest of the drive to >>> Tucson, Arizona. I never determined with certainty what caused the stall >>> that day. >>> >>> About 6 weeks later in mid-September in Tucson, the engine stalled again. >>> The solution was again to wait about 30-45 minutes and then the Vanagon >>> was >>> ready to drive. My conclusion about these two stall events was that they >>> were caused by excessive heat and possible fuel starvation. My fuel pump >>> was a Bosch. My fuel filter was about 2-months old. I decided to research >>> fuel pump options with a focus on temperature operating range. >>> >>> I could never find the temperature operating range rating for the Bosch >>> so >>> I replaced it with one made by Delphi. I chose it because of this claim >>> from the manufacturer: "Rigorous OE-testing ensures the pump can >>> withstand >>> extreme temperatures ranging from -25 to 150F". The Delphi fuel pump has >>> a >>> foam sleeve which I assume is designed to insulate the fuel pump and slow >>> temperature changes within the pump. I also replaced the 2-month-old fuel >>> filter. This is the fuel pump: >>> >>> https://www.rockauto.com/en/moreinfo.php?pk=1111641&cc=1286614&jsn=1 >>> >>> Here is a link to a photo of the Bosch and Delphi pumps. Note the >>> diameter >>> difference and wiring connector differences. >>> >>> https://photos.app.goo.gl/m5qyHGsqST6xjrBv5 >>> >>> What I don't like about this pump is that the wire connectors for the >>> Bosch >>> fuel pump must be replaced with a different style to fit the Delphi fuel >>> pump. Also the Delphi is slightly longer and requires new fuel hoses that >>> will accommodate the pump's different position in the fuel pump mounting >>> strap. But what I like about the Delphi fuel pump is that it has not >>> failed >>> me in nearly 2 years here in the Southwest on several trips in >>> temperatures >>> over 100 F degrees. Prior to buying the Delphi I searched the Vanagon >>> mailing list, but I couldn't find any opinions on the Delphi fuel pump. I >>> knew I was taking a chance on it, and so far I'm happy with my choice. >>> >>> Ryan >>> 1991 Vanagon GL Westfalia Camper >>> Tucson, Arizona >>> >>> >>> On Wed, Jun 19, 2019 at 9:30 PM OlRivrRat <OlRivrRat@comcast.net> wrote: >>> >>> > Steve >>> > >>> > This is the Fuel Pump I have been running with on my 90Westy >>> for >>> > 8Yrs >>> > >>> > & 66000Mi's & it shows no signs of giving up yet ~ >>> > >>> > https://tinyurl.com/y4ou2cfz >>> > >>> > >>> > >>> > >>> > >>> > >>> https://www.amazon.com/Bosch-69100-Original-Equipment-Replacement/dp/B000BZIC90/ref=au_as_r?_encoding=UTF8&Make=Volkswagen%7C74&Model=Vanagon%7C963&Year=1990%7C1990&ie=UTF8&n=15684181&s=automotive&vehicleId=3&vehicleType=automotive >>> > >>> > >>> > On 19 Jun , 2019, at 8:51 AM, Steve Williams wrote: >>> > >>> > > I'm curious about the Pierburg brand fuel pump on the Bus Depot web >>> site: >>> > > >>> > > http://www.busdepot.com/251906091 >>> > > >>> > > I had a problem with fuel delivery last year, so I'm certainly >>> willing >>> > > to pay a bit more for an important component like the fuel pump. >>> Maybe >>> > > Ron Salmon will comment on that selection. >>> > > >>> > > Here are prices I see this morning: >>> > > >>> > > Bus Depot Pierburg: $219.95 >>> > > >>> > > GoWesty Aftermarket: $52.45 >>> > > >>> > > GoWesty Bosch: $122.45 >>> > > >>> > > Van Cafe/RWM Bosch: $149.95 >>> > > >>> > > Honestly, I enjoy paying more for peace of mind, on the advice of >>> people >>> > > I trust. And I trust Ron, having gotten some good support from Bus >>> > > Depot last year. So is it worth the extra money? My Bosch fuel >>> pump is >>> > > working fine now, but I like to travel with a spare. >>> > > >>> > > https://sbw.org/sbwsty/ >>> > >>> > >>> >> >> >> -- >> ________________________________________________________________________ >> Mark Belanger - mbelanger@gmail.com >> > -- ________________________________________________________________________ Mark Belanger - mbelanger@gmail.com
Have something to add on this topic today? Revive this thread in the forum »