jojo23

Hi all well i got a used 95 3500 diesel dodge 169000 miles now when i got it there was no noise {shutter} but some times when i put it in 4wheel drive it made a knock noise in the front wheeldr area when i released the cluch now recently i moved my camper and had to use four wheel dr in one muddy spot now in two wheel dr going down a good road every so often i hear a shutter like something trying to engage or mabey a bushing so jacked it up in front and checked the bushings nothing seamed loose??? wheels rolled smooth while up in front started put in 4wd light came on shut off hubs locked together put in 2 high hubs unlocked checked vacume one line vacume good outher no vacume ??? help???

torquefan

One line should have vacuum in 4wd, the other should have vacuum in 2wd. The disconnect system may be the cause if the teeth on the mating shafts have been worn to a "ramp" shape, causing the sliding collar to be pushed off under load. First, I would check the front axle u-joints, and the double-cardan joint on the front shaft for play.

jojo23

thanks for the reply update today i jacked 3 wheels up front lt both rear started it up put it in 3 gear spined it up to 1500 2000 rpms my bro said it sounded like it was comeing from tranny opened rt pto plate found round washer type with grouves in it 4 on 1 side 4 on outher side dont see any outher problem there ???

mr T

i have somehting similar or the same thing....i get vibration in 4wheel drive on my 95...ive been told to check linkage (engagement) cause it may be rusty and sticking or not moving all the way so ur partially engaged/disengaged so lube that linkage up...and then ive been told to check the fluid levels(transfer case) cause no one ever changes them so you could be really low...i think thats my problem right now cause the vibration goes away after abotu 15 min of driving in 4wheel...so i think im not geting alot of lubrication

good luck tell me what you find before i have to go under there myself this weekend

Andrew

jojo23

thanks for the reply you may need too change your fluid sems it too thick wrong kind for the north {cold climate} i think my trouble is in the tranny or tranfer case see update.