It sounds like you have an internal failure in the transmission such as clutch, drum or seals for forward application.
Looks like you will need a rebuild or replacing the transmission.
Roy
Sep 29, 2019 at 8:38 PM
TAGA
MEMBER
5 POSTS
Thanks for the information.
Oct 3, 2019 at 9:34 AM
ASEMASTER6371
✓Experienced Mechanic
52,796 POSTS
You are welcome.
Always glad to help.
Roy
Oct 3, 2019 at 9:37 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.