dscowell previously posted:
"Okay so I've put about 1000 miles on my new joints and they are starting to squeak again. The plan is to replace the driveshaft once I am back from college.
So mentioned above it could also be something with my engine or transmission... what should I be looking at? I have a Renix 4.0L, AX-15 and NP231."
Since it appears the noise is dependant on u-joint condition (went away with new joints then came back with wear), I'd guess the problem is limited to the joints or driveshaft.
If you take it to a driveline shop, they can evaluate the shaft and spin balance it if need be.