CAT D3B SERVICE MANUAL PDF - AN OVERVIEW

I even have a 455D crawler loader/backhoe (initially cousin to the 450C), HLR Powershift transmission with manual clutch. Each individual is about twenty five years aged and it has about 6000hrs.i just purchest a d3b & contain the very same problem with theleft pedal sticking I'll try oil to-morrow . I've a matter. could it be typical to get a loud