Transmission will not shift into third gear

My Truck Has Been Go­ing From Over­drive To What Seems Like Neu­tral Then Into Sec­ond Gear When I Ei­ther Pass Some­one Or Try To Get Up To Speed...

Trans­mis­sioon Will Not Shift Into Over­drive. Started Abruptly, Fine One Day, Next Day Will Not Shift Into Over­drive. Fluid Is Ok. Fluid...

Truck Will Shift From First To Sec­ond But When It Goes To Shift Into Third The En­gine Races And It Falls Back To Sec­ond. Will Not Shift To...

There Is A Black Plas­tic Part That Rod Runs To, I Can­not See Past That, I As­sume It Con­tains A Ca­ble, But Can­not See If Ca­ble Is Mov­ing...

I Had A Blow Out On The In­ter­state. I Pulled Over, Changed The Tire, And Started Back On My Way. My Rp­m's Be­gan To Rev Up Slightly. I...