Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

Disassembly (A/T Models)

WARNING: This page is about a different car, the 2005 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.

Remove the snap ring.
Remove the retaining pin.
Remove the drum cam from the control shift rod.

Fig 1: Removing The Snap Ring And Retaining Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove the retaining pin from the L-H shift rod.
Remove the 2-4 shift bracket.

Fig 2: Removing Retaining Pin From L-H Shift Rod
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove the retaining ring from the 2-4 shift fork, using suitable tool.
Remove the fork guide collar and 2-4 shift fork spring from the 2-4 shift fork.

Fig 3: Removing The Retaining Ring From The 2-4 Shift Fork
Courtesy of NISSAN MOTOR CO., U.S.A.

Factory Service Tools

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When to See a Mechanic

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

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