2007 Subaru B9 Tribeca BaseFACTORY OEM SERVICE PROCEDURE

General Information: Specifications: Transmission

TRANSMISSION

Transmission type 5AT
Clutch type TCC
Gear ratio 1st 3.841
2nd 2.352
3rd 1.529
4th 1.000
5th 0.839
Reverse 2.764
Reduction gear (Front) 1st reduction Type of gear Helical
Gear ratio 1.000
Final reduction Type of gear Hypoid
Gear ratio 3.583
Reduction gear (Rear) Final reduction Type of gear Hypoid
Gear ratio 3.583
5AT: Electronically controlled fully-automatic, 5-forward speeds and 1-reverse
TCC: Torque Converter Clutch
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.