View Full Version : weird sound?

02-28-2007, 01:37 AM
ok well i have a sound coming form the supercharger i think.
it sounds almost like i knock in the engine but its frome the sc\
could i be low on sc oil or could it be my pully on the sc
i raly have no idea it gets noticable aroun 2k rpm till about 3.5k rpm

any ideas

also my car shakes at around 60 on the highway fresh ballenced tires
maybe a bad tire they cam with the car so i dont know how old they are


02-28-2007, 09:31 AM
I dont know how long you have had the car, but some possibilities are if your car sat on the tires for longer than a few months without rolling (common for an SC), they can develop flat spots in the steel belting. It can take a while to go away or may never go away. Ive also seen severely warped brake rotors on a Tbird cause this shake at speed, but they would have to be pretty bad off for this. A bad shock or other suspension component could make it shake also.
As for the SC fluid, just pull out the allen key plug on top and see. If the fluid isnt up to the threads, then its low. If its full and still makes noise, then it could be a bad coupler or even a bad bearing inside. good luck.

02-28-2007, 11:01 AM
ok thanks ill try get that figured out today

SC Spyder
02-28-2007, 11:37 AM
I suggest the vibration is one of the tires. I believe one of two things are happenig. Either out of balance or whats called a square tire where a ply is broken and the tire has a bulge in it.

Jack each up wheel, spin it and look for a bulge. If there is no bulge, have the balance rechecked.