[NEWBIE]How to destroy a WheelCollider ? (with a script)

Hello everyone, I'm new to unity, I'm running to create a game, everything goes well but I do not know how to remove a wheelcollider. Let me explain: In my game there is a bug, when I turn over my car, the wheel collider are multiplying like:

 //LeftFront_WheelCollider
     LF_WheelCollider(clone) 
     LF_WheelCollider(clone)(clone)
     LF_WheelCollider(clone)(clone)(clone)
     LF_WheelCollider(clone)(clone)(clone)(clone)
     ...

And that the execution of the game slowed considerably so my question is: How, through a script I could remove a WheeCollider?

My condition would be: wheelCollider if (clone) = true then destroy wheelCollider (clone)

But I do not know how to transcribe into his script and if it's the solution for my problem.

I've never coded in Java or C # or but I know lua coding.

I tried to write a script but it nothing happens.

   #pragma strict
 
 
 
 
 var LF_WheelColliders : WheelCollider;
 
 function Start(){
 }
 
 function Update () {
 }
 
 function destroy(other:Collider){
 if (LF_WheelColliders == true) {
     Destroy(LF_WheelColliders);
 }
 }

Thanks everyone

Sorry: Translation by Google