Ford 7.3L Power Stroke (1999-2003) :: Power Steering Line / Noise Reduction
May 3, 2017
Ever since i bought my truck i have had a bad power steering whine. Replaced the pump and its still there. I got the truck in 2006 and think i replaced the pump in 08 maybe. Anyway I've purged, bleed, changed the fluid. Pulled a vacuum on it and still no luck. So I've just dealt with it for 11 years.
Well i can remember reading something somewhere about ford up-dating or redesigning one of the power steering lines that was causing this noise.
My father inlaw just bought a 02 and its so pleasant not to hear that when riding in his truck. It made me want to investigate the matter. SO if its as simple as a updated line I'm buying one asap. He got rid of his Chevy because of the reliability I've gotten out of mine.
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I just replaced my 3rd HP power steering line last night( 3rd in 300K, always blows the same point....fitting comes apart where it attaches to the pump.
I'll start, mine have gone about 100K plus or minus 10K, almost thinking about making it a 100K maintenance item.
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My rearmost drive shaft u-joint is bad and has slop. I've been having vibration for about 7-8 months, but just started hearing a noise within the past week, especially when taking off with a load on the drive line (uphill or heavy acceleration). The vibration has not gotten worse, just that the noise has just begun to show itself.
I have one u-joint which is OE and has 275K miles on it, and it seems to be OK at the moment. The other two (including the rearmost unit) both have about 100K miles, as does the center support bearing.
Just because I don't want to worry about anything, I'm going to replace all three u-joints with Moog Super Strength units, and will also replace the Center Bearing with a new Spicer unit... just because I can and don't want to be pecked to death with multiple failures in the same drive line. I ordered the Moog joints because the only Spicer joints I could find were for the 4wd configuration.
That's the context... here's my question... The parts are on order and won't get here for several days. I've been driving the truck like it is at about 1500 miles monthly. Do I continue to drive the truck for another week before getting the joints and bearing installed? I know it's a guess... just looking for more perspective.
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Got this nugget this morning after dropping my daughter off at school. I also noticed a significant reduction in power. Had to get fuel so while pumping, I checked the code with my WiFi reader and Engine Link app.
Got the code number which came up with this: 6.7L ? MIL on with DTCs P208E P218F P204F ? 2011-2016 Ford F-Super Duty
I decided to clear the code and see if it would instantly return which it didn't. Power came back as soon as it was cleared too. Will see if it comes back. Looks like the code is saying there might be crystals on my DEF injector. I did have a regen last night right before I parked for the evening and then this showed showed up first thing this morning. Would a DEF injector nozzle be covered under the emissions warranty if it comes back?
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Having trouble figuring out how to remove the rear fuel line from the fuel pump. Doesn't seem to be the type that uses the quick disconnect tool like the front line does.
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As explained in the photo annotations, I can't figure out how to remove this line from the radiator so I can remove the radiator for cleaning.
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Working on putting this project back together and cant find my notes when I pulled it apart last year. Any schematic or picture of their brake lines from the master cylinder to the rabs or front brakes? Better yet, which port on the master cylinder goes to what axle?
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New to me early 99 (4/98) f350 7.3 6 speed. Truck started acting up a few days after I bought it. Return line at fuel bowl was leaking, so started there and found a bad seal on the Fpr (unrelated to the fuel leak due to disentegrated compression sleeve). Fast forward through a bunch of parts swapping that still resulted in miserable lift pump pressure readings, I pull the sending unit out of the tank, expecting to find a plugged screen.
Well, there was in fact a plugged screen... Attached to the bottom of an in-tank pump. How did that get there?!? Everything I've read says there should only be a pickup tube??? Should I get a new sending unit from a junkyard and do the hutch mod or???
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I bought a 2003 F250 7.3 Powerstroke from a buddy of mine with 99,500 miles. It is a former Michigan truck and has some significant rust issues. Oil pan and drivers door will need to be replaced in the not too distant future. And probably bed rails later too.
In any case, I noticed a puddle of tranny fluid on the driveway when I got home today. The passenger side line at the fitting into the bottom of the radiator has corroded through. The fitting into the radiator is pretty rusty, and the line fitting is darn near destroyed. The line itself actually has a hole in it.
I see the same part numbers on different sites with different descriptions. Driver side here, passenger side there, inlet here, outlet there. For the same number.
As near as I can tell, Dorman number 624-059 is the outlet line from the tranny to the passenger side radiator fitting, and should be the part I need. Correct? Dorman 624-058 seems to be the line from the OTA auxiliary cooler and back to the tranny. What I cant find is the line from driver side radiator to the OTA cooler. That fitting is corroded bad too, and I may as well do both of them.
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My HPOP was leaking so I pulled it our last weekend along with the fuel bowl and put all new seals in. All my previous leaks are sealed but now this stupid fuel bowl is being a major PIA.
The return line coming off the FPR will not stop leaking! It was slowly dripping when I first replaced the bowl and I thought the leak was between the fuel bowl and FPR housing. I ordered new rings and put it back together.... still leaking.
I wrapped a towel around the fuel fitting and realized that is were the leak is actually coming from. I went to the parker store today and got 3 new 60VL5 sleeves. The first one tore while sling over the fuel line (I was using 2cycle oil as lubricate). The second one leaked even worse.
In a desperate attempt to stop the leak, I slid the sleeve onto the fuel line as far back as it would go. I inserted the fuel line into the bowl and then put a thin coat of rtv on the exposed fuel line. I slid the sleeve over the rtv and then put a light coat of the outside of the sleeve. I tightened the nut up and am waiting for things to dry before trying again.
Why is this fitting giving me such a hard time? I've pulled the FPR housing and it is not cracked so I don't know what the deal is.
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So changing the oil in my truck the other day, I noticed the exhaust clamp at the union between my down pipe and first section of my exhaust has been rubbing the trans cooler line and there's a Nick in the granny pan. Lookin at the rubber grommet on the hanger, its stretched tight and looks like the exhaust has shifted over. What could have done this or possible fixes?right by now it's got a gob of high temp silicone acting as a stand off. Don't wanna put the new line in until I have the situation remedied.
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2003 Ford excursion 7.3. Above the drivers side front tire, the hard inner plastic made contact with the hard line above the frame.. Cut the line. I can't tell if this line is 1 piece towards the reservoir since its hidden from my quick inspection. Looking for a schematic on replacing this line?
This happened after my wife took the truck back to the sugar bush.. She must have been hitting jumps or something
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My passenger side braided line from the HPOP to the passenger head decided to rupture. Got 300k on the clock so that recommended 100k change interval is on the low side. Do I need the 'special tool' to remove the line from the HPOP and what is the current recommendation on a replacement line?
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Ok, so I leave the fire station this morning headed home and my steering felt weird. About 1/2 mile from home I hit a bump and my drivers side front wheel started making a screeching noise. I stopped and looked out the window and it appeared fine. I limped home and as I pull in the driveway, I lost all my steering. I look under the truck and this is what I found.
Not sure what to do. This is my daily driver and neither of my 2 mechanic friends will answer their phones.
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My 7.3 power steering is acting up. Feels like I am up against a rock. At slow speeds like parking lot maneuvering I struggle to turn wheel. Then all of a sudden I'll get power steering back and wheel will rapidly turn. Freaky.
Brake pressure is fine. They shutter pretty bad even with the new rotors I just put on but they have good pressure. But the steering is intermittent or no power steer.
I saw online to run engine at 2000 rpm and try steering but no change. Still no power steer. There is fluid in reservoir. There is fluid seeping up steering column from steering box. No clue if this is related or unrelated.
How to troubleshoot further. I hate throwing parts at problems before truly diagnosing. Also have pretty aggressive lurching during turns in four wheel drive. It's present on dirt road but worse on pavement. Don't know if this is related or not.
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So, I'm replacing the Steering Box today and read an article that said you should replace the pump at the same time. what do you all think?? I have clear access to it now and they are not all that expensive?? Or are the ford one's bullet proof and leave it alone???
I don't have any leaks and it feels ok I guess..just pushing close to 200K on it.
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I've got an 01 7.3 lariat 4x4 with an 03 7.3 engine in it (long story behind that) but basically I noticed one day I had a hissing underneath my dash and my brake pedal was a little spongy but my truck stopped, well before I could get it to a shop and checked out it went bad. Coming up to a stop sign and as normal hit my brakes and right before it came to a complete stop the pedal shot to the floor and I lost power steering as well as brakes and went rolling out in the road and almost got hit. So it's been parked ever since and I have changed the hydroboost, the power steering pump twice, flushed everything and bled everything and still nothing, can't even find any leaks. What to even replace now or whether to just take it to a shop and spend another small fortune.
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I have been noticing my brake pedal is very firm on and off also my power steering seems to get harder to turn than other times. But today i was sitting at a few lights and could hear my power steering pump growling at me intermittently if you want to call it that.
Also sometimes my truck will pull to the left or right then it goes away if i hit the brakes again. I don't see how the hydra-boost system would do something like that. But its not the slide pins because i just greased those along with new brakes and rotors all around at the beginning of winter.
I noticed when I grabbed my fluid lines going to the hydra boost from the power steering pump they seemed to rattle very rough so that makes me wonder if the pump isn't going out. How are the brakes supposed to be on these trucks? nice and soft? rock hard?
By the way truck is an 02 with 144k on it
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I have a 2000 Excursion. This weekend, I noticed some intermittent failure of the power steering where it seemed like the pump was not engaging and then would all of the sudden. Deciding to try to head off a failure, I got a reman unit from Oreilly and installed it this morning. It was fine when I tested, had good brakes and went locked to lock quietly without fuss. Let the house and within a mile, I lost steering and brake assist. I stopped and turned around, but what I am noticing is that at idle, I have no power steering, but when the RPM's are up, I do.
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My power steering is only working when i turn it to the left. When I turn it to the right i have to get a 1/4 of a turn in until the power steering takes over. So i get under my truck to discover what seems to be a piece of my tranny missing. How screwed am I ???
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My high pressure power steering hose just blew at the "B" nut at the pump. Meaning, the fitting is still in the pump but the line is out. Do I need to replace the whole line or is there a retainer I can swap out?
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