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Interesting Segment on Car Talk Today
Indirectly this is MB diesel related....Woman has an 84 Volvo diesel wagon. Mechanic rebuilds injection pump. Now car dies at EXACTLY 4500 ft. elevation. Roll the car back down the road a few hundred ft. (i.e. road length, not elevation) and car starts fine. Click and Clack thought fuel leak or some problem with rebuild....but had no idea what the problem might be.
Any thoughts?
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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles 06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
#2
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Something to do with a vacuum shutoff maybe? Do the Volvo diesels have those?
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress. |
#3
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I heard that segment today and was intrigued. They are no longer producing new shows and I believe this was a rerun. The caller after that lost his cell phone in the duct work under the passenger seat of his BMW and I know I have heard that caller and situation before. I am going to miss those guys on Saturday morning. I expect that the reruns will lose their appeal quickly.
Richard
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85 300D 75K Anthracite Grey 0-60 in 13 seconds **For Sale** 84 300D 333K Black (The Velveteen Rabbit) 0-60 in 14 seconds 00 Toyota Sienna 208K (Sold) 15 Subaru Outback 43K 11 Subaru Outback 67K 98 Ford Taurus 100K (Gertie - Was Grandma's - drove it to church and shopping - really) Daughter's car now. 30 Model A Ford 2 Door Sedan (Sold) 0-60 in . . . Never reached 60 |
#4
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Quote:
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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles 06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
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'Car Talk' hosts retiring from hit show - CNN.com
I just did a search and found that they are stating October of 2012 as their retirement date. I suspect that they mixed in some old material today. I did wonder why I remembered the cell phone problem but not the Volvo diesel problem. I would have remembered a diesel problem.
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85 300D 75K Anthracite Grey 0-60 in 13 seconds **For Sale** 84 300D 333K Black (The Velveteen Rabbit) 0-60 in 14 seconds 00 Toyota Sienna 208K (Sold) 15 Subaru Outback 43K 11 Subaru Outback 67K 98 Ford Taurus 100K (Gertie - Was Grandma's - drove it to church and shopping - really) Daughter's car now. 30 Model A Ford 2 Door Sedan (Sold) 0-60 in . . . Never reached 60 |
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Quote:
Sixto 87 300D^2 |
#7
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It was a recycled puzzler on a new show I think. I heard the bmw guy.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#8
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I believe that more that a few people from this forum could produce a good "Diesel Talk" show for NPR.
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85 300D 75K Anthracite Grey 0-60 in 13 seconds **For Sale** 84 300D 333K Black (The Velveteen Rabbit) 0-60 in 14 seconds 00 Toyota Sienna 208K (Sold) 15 Subaru Outback 43K 11 Subaru Outback 67K 98 Ford Taurus 100K (Gertie - Was Grandma's - drove it to church and shopping - really) Daughter's car now. 30 Model A Ford 2 Door Sedan (Sold) 0-60 in . . . Never reached 60 |
#9
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If the vacuum shutoff is sensitive and is not vented when the vehicle is in the "run" position then theoretically travelling to very high elevations could cause a slight vacuum in the shutoff line/unit and shut the car down. Could be related to the altitude compensation not working properly also and starving the engine for fuel. Vacuum in the fuel tank is also a possibility, but an easy way to disprove that one would be to make the trip with a full tank.
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-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
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Quote:
yeah i was thinking the aneroid compensator in the ALDA, but i don't know what kinda setup is in that volvo |
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Electrical shutoff
I read that the 80s Volvo diesels contained VW engines. According to wikipedia, the VW diesels had electrical shutoff mechanisms.
Volvo 200 Series - Wikipedia, the free encyclopedia
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1983 300CDT -- 177K |
#12
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I heard that CarTalk as well and remembered the BMW phone thing but not the Volvo diesel story. Click and Clack should check out the internet. Search "Volvo Diesel Altitude" and you quickly see that there is an "altitude compensation solenoid" on the injector pump: "when de-energized, it reduces the injected fuel volume and advances the fuel injection timing ( this is to compensate for the thinner air at higher altitude)."
My guess is that Helmut the IP rebuilder messed this up on rebuild. A quick fix of wiring that thing to be powered when the key is on disables the solenoid at the cost of more unburned fuel at elevation. Or maybe he cross-wired the altitude compensation and fuel shut-off solenoids and then misadjusted to compensate. The funniest (saddest) part was that she took her car in for a stuck glove compartment door and the mechanic found a fuel leak and ended up rebuilding the IP for $3000.
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83 300TD, 260,000 miles, aka "Dusty" 6 vehicles, 2 cup holders (both in the dump truck) |
#13
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I remember one call about a year ago where someone called in with a problem they were having with Mercedes diesel. I believe it was an early 80s 300D. Click and Clack seem to be pretty weak on the subject of diesels and especially that era of Mercedes diesels. I have a lot of respect for them, their breadth of knowledge and their diagnostic skills, but it is much stronger with gassers than diesels.
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85 300D 75K Anthracite Grey 0-60 in 13 seconds **For Sale** 84 300D 333K Black (The Velveteen Rabbit) 0-60 in 14 seconds 00 Toyota Sienna 208K (Sold) 15 Subaru Outback 43K 11 Subaru Outback 67K 98 Ford Taurus 100K (Gertie - Was Grandma's - drove it to church and shopping - really) Daughter's car now. 30 Model A Ford 2 Door Sedan (Sold) 0-60 in . . . Never reached 60 |
#14
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Thought it was hilarious. Took it in for glove box repair, and then "AAAAAH it is leaking diesel. DIESEL! You must call Helmut!" Altitude compensation gone wrong was also my thought.
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CC: NSA All things are burning, know this and be released. 82 Benz 240 D, Kuan Yin 12 Ford Escape 4wd You're four times It's hard to more likely to concentrate on have an accident two things when you're on at the same time. a cell phone. www.kiva.org It's not like there's anything wrong with feeling good, is there? |
#15
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NPR should do a diesel call-in show, and call it clack and clack.
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