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#1
01-08-2012, 12:40 PM
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primer pump old style frozen..
I'm pretty sure I have an older version, do I need to unscrew it so that I can pump? Should I be able to unscrew it with my hand?
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#2
01-08-2012, 02:22 PM
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Yes, you should be able to unscrew the white knurled knob. Be sure to screw in back down when you're done.
Better yet, replace it with the newer style, the top one in the pic.
__________________
83 SD 84 CD
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#3
01-08-2012, 03:26 PM
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Yes you turn the white part and then pump. Sometimes they are super tight. A gentle squeeze with some channel locks will give you more leverage.
__________________
Andrew '04 Jetta TDI Wagon  '82 300TD ~ Winnie ~ Sold '77 300D ~ Sold
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#4
01-08-2012, 07:21 PM
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If it splashes fuel out of the pump when you pump it, then it needs to be replaced. I would opt for the newer style. Be advised that there are 2 sizes of the female fitting. The new pump has a threaded collar which can be removed if needed when you install the unit to the fitting.
__________________
Pete Williams, President emeritus - MBCA-International Stars (Eastern Mich.) Now Wi. & Az. 1985 300D Manual 4 speed Green Hen's tooth 1979 MGB triple black Az car nice 1969 back 1/2 of MGB (Az home built trailer) 1991 Volvo 245 Wagon Nice AZ Restored Gold Brick 1983 Jeep CJ7 37,600 Miles Summer use only
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#5
01-09-2012, 07:47 AM
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If I remember correctly you must keep your thumb over the center of the white wheel to pump it back up. Otherwise you get no compression. Does that sound right? Old style.
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#6
01-09-2012, 02:50 PM
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Quote:
not right. the center hole is not open to the fuel. Just turn the knob CCW and pump.
__________________
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!
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#7
01-09-2012, 03:37 PM
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thanks guys! Lets say my old style pump is infact leaking. Any chance I can perform a diesel purge without having to pump it? Thing is, I want to purge this and be done with it before its starts snowing and don't want to wait for the part to come in. Can I fill the filter with atf, crank the injector lines, and try and fire her up? Or does the problem lie within the lines between primary and main filter?
thanks
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#8
01-09-2012, 03:55 PM
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... for a diesel purge, I would not drain the filter.
I'd get a 2 or more quart bottle, pour the can/s of purge into the bottle and replace the fuel and return lines in the bottle. then run the car until you are almost out of purge in the bottle, and then put on new filter, and fill it with fresh Diesel, and see if it will start. it'll likely stumble a tad but if you keep your foot in it, it should catch and run fine this way!
__________________
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!
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