2004 F150 at highway speeds rear end would "buck" or "lock up" and release. As if only rear breaks, maybe e-break going on and then releasing. No impact on RPM so not an engine issue. Any ideas?
Ford had issues with the rear ends in the late 90's early 2000's in F-150's and Expeditions. Pre-mature ringFord had issues with the rear ends in the late 90's early 2000's in F-150's and Expeditions. Pre-mature ring
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Usually a front speed sensor/wheel hub going bad. is there a humming noise from the front end area while driving at highway speeds? If there is, try to isolate which side it is, and have that hub bearing replaced and make darn sure the axle nut is torqued to the proper spec, or it will fail. To many auto techs just tighten them up withan impact gun, and say its good.
Remove the seat and door pad. You can access the lock through a small hole. Break the top inner corner of the lock to release the dead lock and open the door.
why did u lower a 4x4? maybe its lower in the back than the front and throwing off the center of gravity and cause braking problems, is it like the brakes are draging the truck?
If you have over 100k miles the nylon/plastic tip of the speedo cable might have broke off and or pulled out of the square hole that drives it. Although more rare you may have one of the gears on the side of the tranny worn. If you replace one make sure you use the same color. They use different colors for different applications like rear end ratios, tire size changes etc.
When it was starting to go did the speedo show solid or did the speed meter **** between say 20 and 40 over and over (example only)? If so the cable got so dry that it froze in place and caused the nylon end to break or bend and push the cable out of its hole. Years ago you could buy kits maybe some special place like JC Whit might have one. If it got dry you can simply pull it wire out of the cable, clean and lubricate it well when you slide it back in make sure you twist it as you go to spread the oil around.
If you have a low miles car and you find the speedomter gear teeth are worn off it also could have a dry cable. Don't replce the gear without lubricating the cable or you will soon wear out another gear.
A jerking speedometer is a sure bet that the cable is running dry. Some will even tick or slap as they travel each circle.
um, clunking brakes when braking after you repaired them? EMERGENCY PROCEDURE REQUIRED Have the car towed to a reputable shop. Your brake pads or calipers or wheel are coming apart. they could fail while driving. This is likely very serious. Hopefully, it is just the anti rattle clips not holding the pads in place but do not chance it. Also, consider a mobile mechanic
Uh oh. It sounds like you have the all too infamous "Jeep Death Wobble" Google what I just quoted and you'll find pages and pages talking about it. It is a major problem with those older Jeeps. No one really seems to know exactly what causes it. But the fix is always the same. Get rid of the Jeep and get another vehicle. No Jeeps before 2001 unless you want to take the chance of ending up in the same situation.
If you have a locking rear diff,it could be the clutches on the side gears or lack of fluid and special additive. Sounds like the wheel speed is off enough on corner,to set the ABS light,when it chatters. Don't over look parking brake and rear caliper issues.
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