When i put my truck in 4wd it makes a clicking noise from the driver side tire and a clunking sound towards the center of the truck,this only happens in 4wd. is this the hub not engaging? i found a boot leaking grease, would that cause this problem. i took a picture http://imageshack.us/a/img705/137/img20121202131005.jpg, i have no idea what this part is.
thanks.
That worn out boot is part of your steering centerlink. Totally unrelated to your 4wd. However it is probably worn out depending on mileage and if it was ever replaced before. Especially since that boot is junk. You can't replace just the joints on the part either. You need to get the whole thing.
The auto locking hubs do make some clicking sounds when they engage and disengage. If the noise stays around while driving in 4wd then its probably coming from a cv axle that is starting to get some slop. As for your clunk in the middle of the truck my best guess is a u joint on the front driveshaft.
truck has 202,000 miles on it had it for bout 5 years and i stop put it in 4h then go and the noise is constant and def noticable.
if was the cv or ujoint wouldnt i hear all the time? or would being in 4wd put more stress on it.
i put new rotors and pads and rotors and had to replace the thrust washer on the passenger side. i triple checked everything to make sure everything was put back right.
it feels like both sides are engaging but im afraid to go faster in fear of damaging something else.
Front driveshaft and cvs do not rotate when you aren't in 4wd, so no.
With an open front differential, if one hub doesn't engage then all the power will go to that side and just spin the cv. It won't act like it's in 4wd.
alright so both hubs should be engaging if its the cv making the noise. the hubs shouldnt be bad i only used 4wd like 4 times. im guess all 4 wheels have to be off the ground to check if its engaging or could i just jack up the front.
put it in 4 wheel and drive around a little, enough to make sure they have a chance to engage. jack the front end up and try to turn the front tires by hand. if you can't then they're locked. if they wheel spins independently of the cv axle then obviously it isn't engaged.
In most cases, the ‘‘ratcheting’’ noise sometimes heard in auto-lock free-running hubs occurs when one hub is locked and the opposite hub is unlocked. The noise is heard in the side opposite to the locked hub. For example, if the noise is heard at the left front wheel, the right front hub is still locked and is not unlocking. This condition may be caused by a mechanical condition in one of the hubs or by incorrect operation on the part of the vehicle driver, for example by not backing up in a straight line to unlock the hubs, by not backing up enough, or by shifting into 4WD at too high a vehicle speed, etc.
The ratcheting noise does not necessarily cause damage to the good hub. If the noise is caused by incorrect operation, counsel the driver of the vehicle. If replacement is necessary, replace only the defective part. It is not necessary to replace auto-lock free-running hubs in pairs.
Symptom: Continual ratchet noise in one wheel when moving forward. Possible cause: 1. A hub may be mechanically locked, either by damage or misinstallation Repair order: 1. Remove hubs and inspect. Refer to ‘‘Inspection’’, FA-16. Pay special atten-tion to the hub oppositethe noisy side.
The ratcheting does not necessarily cause damage to the good hub.
ok im going to do that when i get access to a floor jack or stands. and no it didnt do this b4 the new rotors but the last time i used 4wd was like 3 or years ago.
ill let you guys know what i find.
thanks to everyone who posted, much appreciated
dear good heaven good lord almighty my child!!!! u should engage 4wd at least once a month for at least a hundred yards or so, just to keep everything loosened up. 3 years?!?!?! no wonder its clunking, i bet the grease in your hubs is as hard as a monk during half time at a high school football game.
I bought my 2018 last June. It was very clean and looked lik it never went off road. Its a pro-4X. I just had to use 4 wheel drive today because of rain and driving on some hills. I stopped the truck and put it in 4 wheel drive and started driving slow. Its the first time i used 4 wheel drive. I heard a clunk and felt a vibration when I started to move forward. It ran fine after that. It has 24,000 miles and I do not know when it was in 4 wheel drive before. I will try it again soon weather permitting and see if it does it again. everything under neath looked real clean and skid plates were not even scratched. we will see what happens. I do have a warrenty for up to 100,000 miles or June 2024. Have a good day guys.
When I know I will be on a straight stretch for a while, or a dirt road, l put it in 4wd and go a few miles, at least once a month all year round. 4lo gets a workout about 4 times a year on top of when I need it.
A few weeks ago, I was instructed by the boss to remove an old basketball hoop anchor, leftover when someone else just cut the pole and left the concrete in the ground (lazy a** ex). I dug down far enough to get it loose and to realize I could never move it with my own power.
After a while, it finally dawned on me. I wrapped my chains around it, hooked it to the tow hook on the front, put it in 4lo and pulled it out of the hole. Then I rolled it on a piece of plywood, hooked to that and towed it across the driveway and into the woods.
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