Ford 7.3L Power Stroke (1999-2003) :: Axle Bearing And Hub Assembly Replacement
Jun 12, 2016
It's time to replace my axle bearing and hub assembly. Looking at RiffRaff site they show 3 different models. Early 99, fine course and course. I think I have the course thread but just want to make sure before I order. My truck is a L99 and I don't have the abs sensor. Looks like all 3 have come with the abs sensor. Do I simply not connect the sensor? Here's a pic of what i have. Course thread?
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2001, F250, 4x4, 432,000 miles...
Seems this truck eats up bearing assemblies. Its like every 2-3 years, I'm having to replace one side or the other. And we talking like 30-40,000 miles....
BTW.... although I'm not out doing much 4x4 driving, this truck does do a lot of dirt roads, probably over 50%...
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I'm in the middle of replacing the hub and bearing assembly, once i got the hub assembly off, I noticed when I grab the axle there is a lot of play if I pull the axle up and down or left to right. Is this normal as the hub assembly holds it in position? I don't have any fluid leaking so the seal must be good, or am I missing something. I am trying to do this in 30 degree weather and it sucks.
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Looking for a video, pictures, or steps that are in depth on how to replace my rear seals and bearings? They are leaking very badly and would like to see some other ways to get it done.
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I have a constant whine going down the road with foot on the gas. Back off and it quiets up. At 2-3 MPH i think i can here a " tick- tick". Took the drive shaft off, wheels off ground, cover off and oil out. Spin wheel and i can hear a tick - tick, I think around the pinion bearing. No play up and down or in and out, but it appears to have 2-3 times the backlash i would expect. I used the screw driver- stethoscope--- still think its the bearing. This is a 9.75 axle. What kind of luck would I have pulling the yoke off and going in from the front without removing axles halves and ring gear? I thought I had read that here before. Never done one that way .
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I own a 1999 F250 super duty and have the front end apart to service the u joints , I noticed that i have bad axle stub needle bearings on one side. I was wondering what is involved in taking those out and replacing them, it looks like they are held in place with some type of spanner nut. My next question :Would it be worth the cost just to replace the whole bearing hub assembly? The truck has 134000 miles on it.
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I'm replacing the rear hub/bearing assembly on my 2010 Prius. It seems pretty straight forward. What is the correct torque for the 4 bolts holding it on? Also what is the correct torque for the 2 bolts holding the rear brake caliper on?
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I have 2012 Impala and hit a pot hole blowing out the left front tire but rim was not damaged, replaced the tire. Now the shop tells me that the wheel bearing has been damaged and the hub/bearing assembly needs to be replaced. I've never seen this happen. Is it possible that the bearing got damaged?
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I need to replace the needle bearing in one of my hubs. I was wondering if the bearing needs pressed in or can it be hammered in with a large socket and a hammer?
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I'm in the process of replacing my HPOP lines and fittings and after I got everything removed and started cleaning the threads before re-assembly I noticed this green wire (located above the fuel filter assembly) that apparently I pulled out of its socket.
What is it for? Can I just push it back in its sleeve right below the red wire??
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My passenger side wheel bearing is going out. I had a local company replace it under extended warranty 7 years and 90k miles back. I think I have gotten pretty good life out of it. I think it was from Napa but not positive. I try to grease then once a year but I'm not always successful.
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As soon as I stepped on the brake and started to move backwards out of the garage, pedal pulsed and ABS light came on. Now it comes on shortly after starting and stepping on the brakes. I just finished the drivers side wheel bearing, u-joint, brake pads, rotors, outer axle stub, and all "outer axles" seals replacement.
AllAboutMPG offered a suggestion about shims on the sensor and checking the ring (never done this, figure it out when I'm there later today?) I figured I'd put this here for some additional input and (hopefully!) later be a good search source and fix for fellow members
Here is the original thread. I installed a Timken complete wheel hub unit with new sensor already installed on the hub.
[URL] ....
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I have a 73 F100 with a 9" rear end. I need to replace the drivers side axle shaft as the bearing retainer is starting to slide off and I'm not willing to take a chance a new bearing and retainer will do it again. They are 31 spline axles and have the ball bearings not the tapered rollers.
What year trucks can I find a replacement axle shaft? Any other thing I should be aware of in finding a replacement?
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I was getting a growl/grinding noise from my front hubs (driver's side I think) when I do a slight right turn like going around a curve, not turning around a corner. Just started happening the last week after returning from a 4th of July roadtrip. First thought was wheel bearings going out and started reading up on the forum here to see what was needed. Last night, I started getting a continuous growl when I was 5 miles from the house so just pulled up and parked it. I'm assuming (without pulling anything apart), it's the bearing assembly and I can get the Timken version at Autozone locally.
The problem is I generally do my heavy maintenance at our family shop in San Antonio but I live in Austin so will need to do this in my driveway. I have all the basic tools, just need to know how involved it is to do in a driveway instead of a shop. Thoughts?
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I am looking for the known good replacements. Almost made the 200,000 mile mark before getting a groul out of the driver side. Ball joints seem good with very little movement.
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What is the size of the nut that needs to be removed so I can pull the carrier bearing off the drive shaft? I need to purchase a socket.
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I picked up an '01 F-350 standard cab and bed plow truck for parts and am preparing to swap the rear axle into my E99 F-250 SB unless someone gives me good reason to just swap the carrier. I want the LS differential. I will also do hutch/harpoon on the tank so I figure that bed removal will make both jobs easier. Once I have both beds off I can give things a visual and see what lines and cables need to be changed out as well. I believe that there is a difference in the passenger's side caliper but I am not 100% on that and I don't know what I will need to change if anything. I am hoping that my drive shaft will remain.
Thus far I have gotten to rotted bed off of the donor truck. The bolts would not come out and I had misplaced my cutoff wheel so out came the torch. In the process of blowing the heads off of the bolts I also blew some holes in the bed but didn't care, it's scrap. Fortunately I did not blow any molten steel onto the fuel tank. I was able to lift the bed far enough to reach the light plugs in the rear and disconnect them without damaging them. The large one that is still attached to the frame goes to the trailer lights and could have stayed connected. The two smaller ones with ends up feed the tail lights and license plate lights, they have to be disconnected.
The bed is shot so I just hooked chains into the rear pockets and drug it off with the front end loader. I did have to get off a couple of times and unsnag it from the frame. Oops, and to cut off the fuel tank fill and vent hoses.
The bolts are extremely rusty and wouldn't budge so I cut them off.
The organ recipient has a spray on bed liner that I had to cut through to get to the bed bolts, the heads look like new and the bolts look like they will all come out for me.
And this is what the nuts and clips look like that mount the bed to the frame.
Yep, there is plenty of rust.
Also, I found two safety cables wrapped around the bed frame and main frame mid bed that will need to be disconnected before bed removal. These are on the E99 SB only, not on the '01 standard bed.
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So my outer axle seal went out on the passenger side again after only 4,000 miles. What gives!? I can't figure out why its burning up. My hubs seem to be working correctly. I've only used the 4wd a hand full of times since I replaced it. Any thoughts?
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Well I just noticed the rear axle air vent and it is blocked.. I ordered a new one and will replace it once it arrives.. what can I expect once I replace it?
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I am on the fence with getting rid of my 7.3. Here's why. Whenever I crawl underneath the truck or look under the hood I see all these different oil/fluid leaks. She has less than 200k miles and I use her to tow my boat to go fishing.
Right now I am trying to weigh if the truck is worth keeping or selling and then getting a new/newer truck.
Here are some leaks. One is obviously oil and coming from what I guess is the front main seal. I really don't know. The other leaks going onto the U-joint look like oil leaking down the axle from the front differential.
I'm growing a business and not sure if I have time to play mechanic. However, everyone I talk to always exclaims, "You got a 7.3?! You luck SOB!" and I am kinda getting the feeling letting her go would be a mistake. FWIW, she is paid off.
Other than a slight wobble in the steering wheel at speed, she runs like a hoss.
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Chasing this knock and I'm starting to get a little bit worried. So I'm looking for what I should do next.
Here is the truck info... 2000 F250 4x4 206k. . Swamps Diesel 200/30's. Terminator HPOP. GTP38R. EBPV delete pedestal. Banks wastegate. AFE stage 2 intake. RiffRaff FRX. 4" exhaust. Hydra chip. John Wood Auto. 6.0 Trans cooler.
I have a knock sound coming from the area of #8. It is noticeably louder in that area with a stethoscope. Its not any louder anywhere else (oil pan, block, otherside of engine, or front). Truck does not smoke and runs and idles great otherwise. Was thinking possibly the cackle/fuel knock issue these trucks have but with bigger injectors and the FRX could this even still be a possibility?! Anyways here is what I've done.
Checked fuel pressure and at idle it is 61/62 with any tune. At WOT on Econ tune it goes down to ~40ish psi. With the extreme tune WOT dived down to 28/29psi. So my thinking was maybe that injector got screwed up so...
Swapped #8 injector with #2 so the front injector with the back to see if either it had some bad o rings or isolate the injector as the problem if the noise moved cylinders with the injector. While I did this I put brand new O-Rings on those two injectors and popped them in. Got it fired up and the knock is still in #8.
Unplugging the injector with the engine running the noise seems to disappear. HOWEVER, when I use the stethoscope the knocking noise still sounds like it's there but very faint. Without the stethoscope I can't hear it. Also driving the truck down the freeway and letting it coast the noise goes away when the injectors get cut off.
Recently pulled off valve cover and checked the pushrods and rockers on #8 and all looked fine. At this point I'm thinking wrist pin, rod bearing or cracked piston??? Could it somehow still be a fuel knock?
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