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Pickups Dodge Dakota Dodge Dakota Fuel Pump/Fuel System Questions
26 messages, Last post on Nov 23, 2009 at 4:51 PM
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I have a '97 Dodge Dakota Sport 2WD (3.9L V6 Automatic). Some SOB punctured my fuel line recently! I tried to splice it but no cigar - can't get a good seal w/ the piece of copper tubing I tried to use (0.250" OD going into thin walled plastic tubing ~0.265" ID). Still a gusher ... A brass barbed splice I had was 0.285" so even worse (won't fit into the tube). I'd now like to remove the piece (~30" long) from the pump to the end of the metal tube that rides the chassis forward. Then, what are the chances I can find a piece of standard gas 1/4" line to replace? Or, assuming I can get an actual replacement line from the Dodge dealership, how difficult would it be to replace? Do I absolutely need the "Tool No. C-4124, or equivalent" to loosen/tighten the fuel line fitting at the pump? I'd appreciate any thoughts on this. Tommy 
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| does this truck have an inline filter? lost rpms and idol eventually held has not done it since but would like to be proactive; fuel pump replaced less than 20,000miles ago; any suggestios? | |
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Replying to: pbjar1 (Sep 07, 2008 8:22 am) Follow the fuel line along the length of the body. If you see a canister looking device, it is probably an in-line filter. Or consult a Dodge dealer. They should be able to tell you right away. Regards, Dusty
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Replying to: dustyk (Sep 07, 2008 12:14 pm) "Repairing/replacing fuel line at pump - '97 Dakota 2WD" Somehow, the subject morphed into: "in line fuel filter 1995 Dakota V6" Unfortunately I never got any practical/useful replies on my original post but, having now made the repair using brute force methods, I can report the following: Aside from the hassle of removing the very thin-walled plastic tube that connects the fuel pump outlet to the metal tube that runs along the chassis forward to the engine compartment, the Dodge dealership wanted ~$45 for a new one and it was to be special order! I would never recommend this route. The best approach is as follows: 1) Remove the left rear wheel and place the axle on a block. 2) Realize that the space (about 10:00) behind that left rear is difficult to access, and lighting will be scant. If you can morph yourself into Mighty Mouse, that would be a huge advantage. 3) For the lighting problem, I do not recommend an incandescent work light (sparks = explosion); us a B&D snakelight or similar. 4) Release the clip from the fitting at the pump outlet and pull off the tube. Using a sharp utility knife, cut the tubing from the metal line along chassis, remove this tube and make sure the exposed metal ends are clean of residual (plastic) tubing pieces. 5) Understand that - sadly - Dodge decided to make the OD of the metal pump outlet be 0.375" (~3/8"), while making the OD for the metal tube that rides along the chassis 0.320" (~5/16"). This disconformity is bizarre and senseless! 6) Go to a hardware store & purchase 1' of 5/16" high-pressure line, 1' of 3/8" ID hp fuel line, and a 3/8" nylon barbed hose mender. 7) Attach the mender to both hose pieces (you may need to hold the end of the 5/16" hose in scalding hot water to press over the 3/8" mender). Secure these ends w/ a hose clamp on each side of the mender. 8) Place the other end of the 3/8" hose in scalding hot water w/ a bit of dish detergent (for lubrication) for 2-3 minutes. Slide a small hose clamp over it and quickly and with aggressive turning motion, fit the heated end onto the pump outlet. Note that this outlet has a raised collar for attaching the fitting you just removed. The presence of this collar will require an agonizing effort to force the 3/8" hose over it and all the way in to the pump body (~7/8"). If you don't reach the pump body w/ the end of the hose, pull it off, reheat/lube, and try again. Once you get it, slide a hose clamp up near the pump body (over the outlet) and tighten. The best tool is a nutdriver w/ 12" long handle. (Once you try this, you'll see exactly why I suggested a tool like this.) 9) Slice a small hose clamp over the 5/16" end of the hose and and slide the hose a few inches over the end of the metal tube that runs along the chassis. (You probably won t really need to heat/lube this part of the hose.) Slide the hose clamp over this joint and secure. 10) Start the engine and check for leaks. Finally, I'll answer the question that seems to have been floating around on what became of my post. NO, positively and assuredly, there are NO in-line filters on the Dakota. The one and only filter is inside the fuel tank, and that brainless Chrysler design is why it's such a colossal chore to replace it (should you ever - God forbid - need to). You gotta remove the tank! Which points up a possible modification to my steps 6&7 above, You may choose this unfortunate event to use, instead of a nylon mender, an actual in-line fuel filter and get 2 birds w./ one stone. In this way you splice the 2 hose pieces and enhance the filtration. Hope this helps. TommyCee
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Replying to: tommy97 (Sep 08, 2008 7:14 am) Just for the record, Chrysler wasn't the first to go to in-tank filters, nor are they alone. Everything from Ford, GM and Toyota use the same design, and I think most of them do, actually. My neighbor just had the fuel module (aka fuel filter) replaced on his 87 Accord. I'm not sure why the manufacturers have gone to this design. My guess is that an in-line filter represents a potential safety hazard under some conditions. And a cartridge filter design might be impractical for some high pressure systems. Best regards, Dusty |
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Replying to: gjble (Apr 24, 2008 7:07 am) |
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Hi, I'm from Monterrey, Mexico. I just bought a Dakota 2007, I just have 20,000 km and I have that problem "check engine light" turns on when I start the truck plus a "gascap" legend on the odometer... Do you fix the problem? How do you do it? because my dealer service is very bad and I wasted a lot of time with the dealer but they can't fixed yet. AND the dealer review 3 times the truck and the last time they change the gascap for a new one, but 2 days after change again, I still having the same problem
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Replying to: mydkta07 (Sep 25, 2008 10:57 am) Also, if the incorrect fuel cap is used you will get a fault. Regards, Dusty |
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| i have a 91 dakoda and it will stop running and not let fuel passed the injectors . i have replaced the pump, filtor, and ragulator it will run and drive sometimes and it will act like it runs out of gas and then it will not start and at that time there is no fuel coming out of the injectors and then out of no were it will start and run for a little. please does any one have any advice | |
| I can only put a half of tank of gas into my 1997 dodge dakota. I replaced the filling unit and vent hose, but it seems that wasn't the problem. The engine light is not on and I do not get any problems when checking codes. some one told me it maybe the rollover valve or another vent some where? any help would be great or I will be putting in only a half tank forever! Kidding!! | |
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