LEGO Technic FWD module with return to center steering for 42037

[@Sanzerizeli]

how do we replace the servo motor and fwd motor. large motor? perfect mod. thank you

[@c.l.h.bokhorst6687]

the file is not accesible anymore, could you please email me the file?

[@mostlytechnicbricks1563]

drive.google.com/file/d/0B54imxUHhAFObV9QbDRWVVg4QUU/view?usp=sharing

[@c.l.h.bokhorst6687]

Thank you very much:)