'99 & up 7.3L Power Stroke Engine and DrivetrainDiscussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
I have the same symptoms.I suspect the sticky caliper also.Thump only happens when applying the brakes and will shift from front to rear whenever I apply the brakes.Only one thump and then it is gone,apply brakes one thump a little shake and a pull.
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2000 F250 Lariat Crew Cab, 4x4 A Few Mods To Make It Better than Stock
Ball Joint....mine did too.. ONE THUMP... thats it. Then if you accelerate or go a bit farther,,, then hit the brake again, thump/ or CLunk,,, whichever ya want to call it.Really when you go in to fix it/fix them.. replace all four...not alot more work,,and they all are close to being bad if one is probably.
Saves tearing it down again later.
Jim T.*48* SLAPS Co-Founder, 30.8 yrs RETIRED UAW 6/01/06, Now an ART (Specialists Flight Chief) with the USAFR 414th MXS Seymour Johnson AFB. My pics!'03 Dually pics!, New truck, 2011 F-350 SRW LB CC. White Platinum Lariat! 4x4
I have that same "thump" when I apply my brakes. Same symptoms. I have checked my ball joints (greasable), and they are very tight and have no wear. Any follow ups or information on the caliper sticking would be helpful. I don't have any knoledge on brake units and diagnosing, but would like to find out how to check these things. Thanks, Bob
I found mine. its the crossover bar that hooks to the pitman arm. i think i am going to have to replace the rod . doestn look likr that ball joint comes out. Doesnt look hard just alot of money for the part. everything else is tight.
Think I"ll bump this back to the top as I have the same noise under my floorboard. All along I was thinking it was my Sway bar also but after reading this I'm checking balljoints and bar conneted to pitman.
(His)99.5 F250 XLT PSD CC LWB SRW Auto 4X4 Born on 1/25/99
K&N Air Filter,B&W Turnover ball, WD Turbo Chip, WD Gauges, Bilstein's, Walker BTM, 2002 Headlight upgrade,Timbrens
(Hers)02 F250 XLT PSD CC SWB SRW AUTO 4X4
K&N Air Filter,B&W Turnover ball
I think that I have seen posts in the Excursion side that said the fix was taking out the drive shaft and greasing the the shafts that it slides onto. I was going to do it next chace I had. Also check the sway bar end link bushing 10-20 dollars and 30mins. I hear that it helps a lot to. On my truck it connect beneath the drivers feet.