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#1
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What is the life expectancy of a W126 fuel pump?
Mechanic told me that he was astounded my original one was still working at 122,000 miles, and it should be replaced as preventative maintenance.
Said if I didn't do it soon, it coud die unexpectedly and I would be DRT. I am a believer in the idea of preventative maintenance, but this one got me by surprise. Would you suggest I do this now, at this mileage? I never read about this in the owners manual, or if it is there I must have missed it.... So far as I know, everything in this W126 is up to date, including the fuel filter (done in Nov. 2007) and all other fluids, filters and parts in the car....
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1991 560 SEC AMG, 199k <---- 300 hp 10:1 ECE euro HV ... 1995 E 420, 170k "The Red Plum" (sold) 2015 BMW 535i xdrive awd Stage 1 DINAN, 6k, <----364 hp 1967 Mercury Cougar, 49k 2013 Jaguar XF, 20k <----340 hp Supercharged, All Wheel Drive (sold) |
#3
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afaik, none of mine have been replaced... they are really just supplements to gravity, so they don't work that hard...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#4
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Are you sure that the mechanic was referring to the fuel pump and not the primer pump? There should be no surprise at all that the fuel pump has lasted 122k miles. Primer pumps are another story.
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#5
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He has a gasser...
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
#6
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Isn't a primer pump only on a diesel?
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" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century OBK #55 1998 Lincoln Continental - Sold Max 1984 300TD 285,000 miles - Sold The Dee8gonator 1987 560SEC 196,000 miles - Sold Orgasmatron - 2006 CLS500 90,000 miles 2002 C320 Wagon 122,000 miles 2016 AMG GTS 12,000 miles |
#7
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When someone asks a question about a W126 in the diesel forum, I am going to assume that the question pertains to a diesel W126, regardless of what other vehicles the poster might own or not own.
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#8
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He has a big picture of his gasser 560 right in his sig......
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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) |
#9
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Hmmm, There have been many, many miles reported here but when I did a search, I couldn't find anyone who has reported changing one out to cure a problem on the diesel engines. I would suspect the mechanic is thinking along the lines of many gasoline engines, which use a diaphragm-style pump.
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Sam 84 300SD 350K+ miles ( Blue Belle ) |
#10
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if you are asking about the gasser in your sig, the only gasser experiance I have is with chevies. and YES the fuel pumps fail after about 120K... electric fuel pumps that is... mechanical pumps fail when they leak. so I gotta agree with forced, get more gasser specific info from the Tech forum...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#11
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Electric fuel pump supply (gas)?
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84 300D, 82 Volvo 244Gl Diesel |
#12
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And that means that he cannot ask a question about a diesel?
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