1993 Chevrolet S10 Pickup Owner's Manual - Page 267
1993 Chevrolet S10 Pickup Manual
Page 267 highlights
Manual Transmission Fluid When to Check: A goodtimetohaveitcheckediswhentheengineoilischanged.However, thefluidinyourmanualtransmissiondoesn'trequirechanging. How to Check: Becausethisoperationcanbealittledifficult,you maychoosetohavethis doneata GM dealershipServiceDepartment. If you do ityourself,besuretofollowalltheinstructionshere,oryoucould getafalsereading. Checkthefluidlevelonlywhenyourengineisoff,thevehicle is parked on a levelplaceandthetransmissioniscoolenoughforyoutorestyourfingers onthetransmissioncase. Then, follow these steps: PO336 1. Removethefillerplug. 2. Checkthatthelubricantlevel is up to thebottomofthefillerplughole. 3. If thefluidlevelisgood,installtheplugandbesureit is fullyseated. If thefluidlevelis low, add morefluidasdescribed 6-1 9 in thenextsteps.