Hey guys i have a little 4 wd buggy. and i was wondering why my car dosent move. one tire spins but the other dosent. could that be my differential. or clutch. it also makes a wierd grinding nose.

differential

yup

I'm with these two.

ditto

thancks but can you tell me what look for in the differential like what to replace. well of course the differential but more specific.

seems to me the spiders might be out those being the lil intermediate gears between the main and outdrives