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#1
11-20-2009, 11:13 AM
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240 D fuel filters
I checked the diy section and didn't find anything. Looking for a step by step for changing the fuel filters on the 123 240. Thanks!
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You're a daisy if you do. __________________________________ 84 Euro 240D 4spd. 220.5k sold  04 Honda Element AWD 1985 F150 XLT 4x4, 351W with 270k miles, hay hauler 1997 Suzuki Sidekick 4x4 1993 Toyota 4wd Pickup 226K and counting 
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#2
11-20-2009, 11:22 AM
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That'll be the same as on a 300. A clear primary inline filter, fuel lines on either side with clamps.
Then the spin on filter, when reinstalling fill with something that can be used as fuel, you may not need to prime at all.
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83 SD 84 CD
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#3
11-20-2009, 11:27 AM
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Very simple. The first filter (clear plastic one) is just held in with hose clamps. Loosen those and pop the old one out and replace, tighten. Second one (looks like a small oil filter) has a bolt that holds it in place from the top of the mount. It screws down into the filter. I think is a 21MM. Loosen that, have something under the car to catch any diesel (or try) and discard. You can, at this point, fill the new filter up a bit with diesel. It'll help speed up the prime process. Replace filter. Tighten down. Then loosen up the 17mm banjo nut that holds the return line on so that the system can bleed. Start pumping w/ the manual fuel pump (directly below the 1st fuel filter). Pump until diesel comes out of the banjo nut you loosened. Your done.
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#4
11-20-2009, 11:32 AM
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My spin on, or secondary, filters have 24mm bolts, they also have an "O" ring or two on the shaft. If you have a crush washer just under the bolt, you'll have to replace that too, not all engines had 'em.
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83 SD 84 CD
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#5
11-20-2009, 11:56 AM
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If you want to save yourself potential head ache, change your filters while the engine is nice and warm, it'll fire up easier
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 1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car"
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#6
11-20-2009, 12:04 PM
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Thanks! I guess there's no way to tell about the O rings or the crush washer till I've taken the filter out...better ask Phil.
__________________
You're a daisy if you do. __________________________________ 84 Euro 240D 4spd. 220.5k sold 04 Honda Element AWD 1985 F150 XLT 4x4, 351W with 270k miles, hay hauler 1997 Suzuki Sidekick 4x4 1993 Toyota 4wd Pickup 226K and counting
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#7
11-20-2009, 01:14 PM
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Quote:
Most likely you have the one that uses 2 different sized O-rings. While they can be reused several times you should have the O-rings before you start the job just incase. If you reuse the O-rings they may not leak until several weeks later.
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84 300D, 82 Volvo 244Gl Diesel
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