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Generations 8-9 1987-1996 F150 + 1987-1997 F250, F350 |
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#1
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1992 F150, 4.9L 300
I replaced the Wiper Fluid Pump and Reservoir, reattched assmbly, etc. The blades move according to speed selection, and they move when pressing to request cleaning fluid. However, the fluid again recently stopped coming on request for a cleaning swipe. I checked, no leaks, hose is attached, wiper fluid pump appears to be connected. I replaced the CB that controls wiper connectvity in the lower left, no change -- no fluid on request. QuestioN: Any other cbs/relays or components I should be inspecting? Else I think I'm looking at a crimped wire repair near the fluid pump by the driver side headlight (in the wiper fluid container pump slot). Before I tear this thing apart again (since the retaining clip is what forced me to buy a new pump, the old pump worked fine but the clip is not sold separately at advance), I'd rather exhaust all other options. I'd hate to buy another pump if I damage the retaining clip when working on it. |
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#2
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Are the orifices on the cowl plugged?
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#3
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I don't think so. I'll check the reservoir again for debris. It was a brand new reservoir and when I initially replaced the wiper fluid motor and reservoir it was working like a champ for a few weeks. No other new components introduced, although I guess maybe the motor could have had a piece of something break and get pushed into the line.
Looks like I'll have to disassemble it again anyway to follow Dusty's suggestion. When the tube is disconnected from the motor, can a blast of water blown through via mouth have enough pressure to blow through to the washer fluid dispenser nozels? Wondering if I can check the line that way at least. |
#4
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#5
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I've had this issue with vehicles. If you decide to clean out the nozzles, separate the tubing first and then clean out the nozzles, otherwise whatever was in the nozzles just gets pushed back into the tubing and they will likely clog again... been there done that ![]()
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- Russell '77 F100 Flareside "If it jams, force it. If it breaks, it needed replacing anyway." |
#6
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clean the electrical connections
crimp them so they aren't loose
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Charlie "A common mistake people make when trying to design something completely fool proof, is to underestimate the ingenuity of a complete fool." |
#7
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Any suggestions on removing the retaining clip holding the motor pump into its reservoir molding point without damaging it? I think Chilton showed me the way to put it in securely (a deep socket of the right size, pushing the retaining clip in once level and flush). This was after a lot of attempts trying to install it with just some delicate scribe/flat-head screw driver attempts which never seated it enough and would cause the pump's pressure to shoot it out when activating the washer fluid from the cab. Of course, if the motor had been installed while the resrvoir was completely removed, this probably wouldn't have been an issue. |
#8
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Leave the motor in the bottle
just clean the plug.......
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Charlie "A common mistake people make when trying to design something completely fool proof, is to underestimate the ingenuity of a complete fool." |
#9
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2 good questions i dont see asked... whats the temp there currently and since this started to not work?? since your profile doesnt state where your from its hard to tell if your not in the areas thats actually been experiencing the cooler temps. Many washer fluid dealers do not get the winter rated fluids and will freeze within the line of the temps drop far enough.. (youd be surprised how many times ive found +40*F washer fluids still being sold in areas during the winter where temps are routinely below freezing or below 0*F )
The other question would be did you replace the line between the pump and the nozzles? if not the rubber hoses do collapse over time.. and sometimes during the changes of nozzles or pumps itll block the line from the pulling done on the hose... in addition the collapse the lines used on the newer trucks are vary narrow to begin with. which promote the fluid to freeze inside the lines.. any restrictions just exacerbate the issue as well
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Shawn 2004 F350 Crew Cab Super Duty Dually 6.0 v8 Power Stroke. 2004 3.9L V6 Mustang "I don't think the intelligence reports are all that hot. Some days I get more out of the New York Times. " -John F. Kennedy "I never FAIL... I succeed at finding what doesn't work." -Christopher Titus |
#10
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I'm in northern NY and it's a norther MI truck -- I'm the second owner. However, this started two+ months ago and it was 60+. The motor was disconnected below, so I thought the reservoir had a crack because I filled it up and dumped the fluid into the parking lot. When I disassembled the reservoir (when I had a new reservoir), it turns out the line was not connected to the pump. So then I tried assembling it and the pump would push out of the reservoir upon request for fluid because the retaining clip was broken (put the old pump into the new reservoir). So I went to Advance, paid way too much for another pump so I could get a new retaining clip, and got it in there with a socket they let me borrow. It worked as advertised for several weeks. And then it stopped working. Still warm Summer temps in late August or September. The lines are connected, the pump looks like its flush. Fluid is held in the reservoir. I did not replace the line between anything. I put a new pump in because the old retaining clip was mangled and not holding in the pump -- only way to get a retaining clip was buy the pump or scavenge an old one from the junk yard, but then you're running the risk of another mangled retaining clip. So that's why the new pump went in -- wasn't necessary. Still waiting to get into my mechanic's garage - was supposed to be in there today, but he's still backed up and I'm a low-paying customer. :-p We'll get there eventually and check the pump and lines, but I'm leaning towards the first suggestions about an electrical connection to the pump being loose. It could definitely be a piece of new pump pushed into the line though, so we'll check that out too! |
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