How to flush the transmission?

1987 TOYOTA PICKUP
155,555 MILES • 2.4L • 4 CYL • 4WD • MANUAL
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SFCTRIPLETT57
  • MEMBER
  • 184 POSTS
I have the transmission out of my truck, how can I flush out the transmission?

Thank you,


Larry Triplett
Army Vet
Iraq War Vet
Jul 29, 2021 at 10:40 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good afternoon,

Thank you for your service. Hoo Rah

You need to drain all the fluid out of it into a pan. I would get some transmission fluid, about 5 or 6 quarts, and fill it with the fluid and move it around to circulate it inside the transmission.

The drain it all out and see if there is any dirt remaining inside. You may need to do this several times to get rid of the debris and dirt.

Roy
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Jul 30, 2021 at 7:49 AM
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