HONDA ODYSSEY TRANSMISSION REVERSE

My Car Runs Perfectly Except I Have Lost Reverse. Is The Transmission Unit A Sealed One? And Am I Better Off Just Buying Another One Or...

The Car Engine Works Fine. I Was Able To Drive The Car At Low Speed Around 20 Mph For 15-20 Minutes, And Then The I Stopped At A Red Light...

When Changing The Rotors On The Front, Are The Two Bolts Reverse Threaded?