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ive changed all bearings wheel hub and seals ball joints and disconected front drive line..and something is still howling after i get up to abot 20 ish will die out for a bit and somedays its not there any ideas on what it might be
ive changed all bearings wheel hub and seals ball joints and disconected front drive line..and something is still howling after i get up to abot 20 ish will die out for a bit and somedays its not there any ideas on what it might be
Disconnecting the driveshaft won't do anything. Your front axle rotates if the truck is moving. You do not have hubs you can disengage the front differential.
Mist likely since you changed bearings wheel hubs and ball joints it's most likely a carrier bearing. Probably the pinion bearing.
Drop the front diff cover and see f you find metal shavings. You could be low on oil. Change it to a thicker oil and if the noise is less or not as loud it's most likely the carrier.
ive changed every bearing and race from pinion to wheels tires are still somewhat new and dont have locking hubs yet how ever i did take the gears out of hubs so its all free wheel and howeling starts at about 40 mph now and before it was at about 20...
Could be tires. Try a rotation and see if the noise moves.
Sure it's not the rear end? Chasing noise around can be devilish. Just did rear wheel bearings on my Camry, as they were far easier to do than the fronts. I wasn't hoping for much, as the noise was clearly from in front of me... but the noise is now gone. Guess my ears aren't so good at direction.
Can you put the truck onto jackstands and (very carefully!) put into drive? Wander around with the stethoscope and see if you can narrow it down.
^^^^^^
No load free wheeling might not generate the noise. The noise might be made only while under load.
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