(84 runner)I know its dumb but how much slack should there be during idle? I know on other toys there normally is little to none. Reason I ask I have a huge shake(huge to me) like 1/2 . The drivers side has slack but not as much as the passenger. Tried lifting but could not really tell It seem like the other side would just stop it any further. What got me looking was I hear the fan hit the shroud in between shifting .