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i have an 88 F250 HD 4x4, 5.8l, c-6 auto extended cab lariat. coming back from a horse show last week pulling a trailer i noticed a sound that seems to be coming from the front end. it comes and goes but it's more noticable under load up a hill. sounds are hard to describe but it is like whoopwhoopwhoopwhoopwhoopwhoopwhoop. the sound does not seem to increase/decrease with rpm and will suddenly stop doing it even when i haven't changed speed or rpm or gear. it isn't the tires. i am thinking it is something like front u-joints?
the other sound i haven't figured out is the jingle from the front end when going over bumps. again can't quite describe it but it sounds like soemthing is loose like the front hubs? it has a real jingle/rattle sound kinda higher pitched if you know what i mean. almost a chirp sound. i am thinking hubs what do you think? the truck has 160,000 miles on it and the IFS front end.
Thanks in advance
I had the MOST annoying little jingle with my truck and I thought it was something with the hubs/u-joints/TTB also. Turned out to be the plastic clip on beauty rings that covered the lug nuts was loose and rattling over bumps. Took em off, no more rattle.
Hey, I had weird noises from front end too. Come and go no reason, no driveability problems, nada.
Pulled the front wheel hubs to do bearings, pulled sleave off of auto-locking hubs, everything just fell out. they ate themselves.
My local friend/mechanic told me the intermintint noises were problably the pieces breaking free or rotating out of the grease and making sounds, then getting caught in grease again and quieting.
good luck
Ps, I replaced with Warn manual hubs, auto never again.
Thanks guys. i'll check those things out when i get some time. gotta do some barn repairs first though. i'll post solution when i find it.
cheers.
Rusty.