I know the WJ 4.0 transmission has bands that need to be adjusted. According to my manual, the only thing that needs to be done is 2 bolts need to be tightened or something and one of them is above the pan so that is why it is recomended to do this while the fluid and filter is being changed.
Silver WJ Laredo 4.0
2"BB with Pro Comp MX6 shocks on 245/75/16 Goodyear Duratracs
IPF series 868 lights
Last edited by dlundblad; 06-13-2009 at 12:45 PM.