when i accelerate from a stop, say at a light, i occasionally get a grinding noise. cant tell where its from. any idea what that might be? no check engine light. shifts fine, auto trans, 2.5" lift on 32s.

 

Did you check to see if you had a toyota prius under your jeep?

 

Somehow I doubt that a prius would fit under a JK with only 32's.

Maybe dirt or rocks between your front rotors and the backing plates? If not, you need someone to walk beside it to try and isolate the location of the grind.

 

I have a similar problem. On mine its the heat shield on the exhaust. It vibrates when I start moving but then stops when I get past like 10mph.

 

Ya I have a heat shield issue too everytime I accelerate when it switches gears after it warms up. Now my jeep sounds like I hear the motor more from inside the jeep and almost a sound like it's whining down when I get off the gas, like to a stop sign. Similar to the sound of when go a little too fast in 4 low. Any ideas about that one????

 

Could be surface rust on the face of the rotors. Could build a small amount if it sits for a day of 2 and should ware off after some breaking.

 

I wood agree but I just got back from rausch creek yesterday..... Had to drive 4hts each direction