diff noise while coasting??

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Originally Posted by VR4-Quest

Obviously there are several types of driveline noises associated with low tire pressures, defective axles, etc. but there seems to be a common issues with noise after lifting. I know for sure this to be the case as mine made noise on the test drive after installing the OME912's, and was fine before. We need to put our heads togther and figure this one out!

Again, Im talking specifically about a driveline derived noise, after lifting the VX with OME912s or equivalent, happens most notably when letting off the throttle at highway speeds (above 60 mph). Its accompanied by a grinding noise and vibration that can even be felt through the floor (fairly severe). There is also some noticable increase in vibration at lower speeds (around 40 mph).

I have lubed the U-joints and drive shaft, and check the level of all driveline fluids and there was no difference.
I have not yet changed fluids nor had the front bearing repacked lately.
I have maintained the factory rake (front 1" or more lower than rear) and the noise still exists.

Please add your comments, solutions if any, and feedback concerning this so we can determine the root cause!

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Any body have solutions of this problem? I have the same noise in my JDM VX, it lifted about 4 cm with springs from Trooper.
Please help me the noise is very bad!

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Originally Posted by Viatcheslav

Any body have solutions of this problem? I have the same noise in my JDM VX, it lifted about 4 cm with springs from Trooper.
Please help me the noise is very bad!

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Ive got the noise as well after lifting, and i have a jdm vx too.

Viatcheslav Are you driving in Tod all the time or 2wd?

I think with mine say im doing towards 100kmh and i coast i can hear the noise in TOD , but i think when im in 2wd the noise isnt there?.

Tho after greasing up the driveshaft and the u-joints the noise quietens down a fairbit.

Ill have a play 2mrw and see if the noise is louder in Tod or 2wd.

The noise i have sounds like a chaddering noise.

Well, I know with my zuk its the splines on the drive shaft that causes the SAME noise when decelerating. Its caused by the splines having less contact surface vs stock and being slightly worn from years of use.

Not sure if it helps, but there ya go :)

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Originally Posted by Sprey

Ive got the noise as well after lifting, and i have a jdm vx too.

Viatcheslav Are you driving in Tod all the time or 2wd?

I think with mine say im doing towards 100kmh and i coast i can hear the noise in TOD , but i think when im in 2wd the noise isnt there?.

Tho after greasing up the driveshaft and the u-joints the noise quietens down a fairbit.

Ill have a play 2mrw and see if the noise is louder in Tod or 2wd.

The noise i have sounds like a chaddering noise.

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I am driving in TOD and 2 wd, but I heared this noise when TOD and 2 wd but in TOD the nose rather more than in 2 wd.
First of all i think something wrong with u-joints I have replaced it but nothing happened then i replaced rear diff the noise still there.
Now I think the noise happen becouse angle of drive shaft changed as compared with stock.
What lifted your VX in centimeters now?
I have planing to change trooper springs for stock i hope it help.
Sorry fo my English :grino:

Yea im running the ome 912, i think i gained around 60mm or maybe a tad more plus running a bigger tye - 265/75/16 to be exact.

Id say your right about the angle of the driveshaft. done

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Originally Posted by Sprey

Yea im running the ome 912, i think i gained around 60mm or maybe a tad more plus running a bigger tye - 265/75/16 to be exact.

Id say your right about the angle of the driveshaft. done

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I did it! I changed trooper springs on stock!!! After that i drived about 100-140 km/h the noise has gone!!!!
I am happy now, but my back not :bwgy: