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#1
08-23-2006, 08:53 PM
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Park uphill, no start
I have a 1987 300SDL. Sometimes when I park it overnight facing uphill. it seems like there's no fuel, and it won't start. I roll it backward and aim downhill. Then after some cranking, it comes to life (no smoking). Suspecting suction in the fuel tank, I drilled a small hole in the fuel cap (upon the advice of Mercedes mechanic). Problem still recurs, but only on a reasonably steep hill. Fuel is always visible in the fuel filter. Mechanic says maybe the fuel thermostat, which is upstream of the fuel pump. Expensive guessing game! Anyone had this happen?
dcalei 
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#2
08-23-2006, 09:01 PM
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You do not have a good seal somewhere in your fuel system. How does it behave with a full tank of fuel?
__________________
-disav 99 E300 TURBODIESEL Astral Silver 282K - AMG brakes, suspension, monoblocks, speedo & interior - Full Load Maxed on IP by custom Speed Tuning USA Chip - T3/T4 Garrett - EGR/MAF delete 98 E300 TURBODIESEL Alexandrite Green on black leather 289K 95 E300 DIESEL Green Queen 267K SOLD 84 300D 216k SOLD 87 300D 299K #22 head - intercooler - full load adj. - 8sec 0-60mph - SOLD 76 300D 214K SOLD
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#3
08-23-2006, 09:14 PM
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Quote:
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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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#4
08-24-2006, 08:43 PM
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I would check connections at all the fuel lines and filters in the engine compartment for starters. Carolton Hughes on this forum has a recent post about pressurizing his fuel system at the fuel cap with 5 psi. He found his air in the lines in the form of a leak fast.
__________________
-disav 99 E300 TURBODIESEL Astral Silver 282K - AMG brakes, suspension, monoblocks, speedo & interior - Full Load Maxed on IP by custom Speed Tuning USA Chip - T3/T4 Garrett - EGR/MAF delete 98 E300 TURBODIESEL Alexandrite Green on black leather 289K 95 E300 DIESEL Green Queen 267K SOLD 84 300D 216k SOLD 87 300D 299K #22 head - intercooler - full load adj. - 8sec 0-60mph - SOLD 76 300D 214K SOLD
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#5
08-24-2006, 08:55 PM
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Just curious, as another test could he just try priming with the pump to see if it replenishes positive pressure in the front leaning up position?? I ask because I'm learning ,too.
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#6
08-24-2006, 10:06 PM
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His is self priming, it does not have a pump primer.
__________________
-disav 99 E300 TURBODIESEL Astral Silver 282K - AMG brakes, suspension, monoblocks, speedo & interior - Full Load Maxed on IP by custom Speed Tuning USA Chip - T3/T4 Garrett - EGR/MAF delete 98 E300 TURBODIESEL Alexandrite Green on black leather 289K 95 E300 DIESEL Green Queen 267K SOLD 84 300D 216k SOLD 87 300D 299K #22 head - intercooler - full load adj. - 8sec 0-60mph - SOLD 76 300D 214K SOLD
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