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Nissan Sentra B18 (2020-2025) Service Manual: Reverse Idler Shaft and Gear

Exploded View

Exploded View

1.

Reverse output gear

2.

Snap ring

3.

Reverse baulk ring

4.

Return spring

5.

Needle bearing

6.

Seal washer

7.

Reverse idler shaft

8.

Spacer

9.

Reverse input gear

10.

Lock washer

11.

Spring washer

   

Disassembly

Disassembly

Remove reverse output gear (1).

Remove snap ring (1).

CAUTION:

Do not reuse snap ring.

Remove reverse baulk ring (1) and return spring (2).

Remove snap ring (1), lock washer (2), and reverse input gear (3).

CAUTION:

Do not reuse snap ring.

Remove needle bearings (1) and washer.

Assembly

Assembly

Assembly is in the reverse order of disassembly.

CAUTION:

  • Do not reuse snap ring.

  • Check that snap ring is securely installed in a groove.

  • Replace reverse output gear, snap ring, reverse baulk ring, return spring, needle bearing, reverse idler shaft, spacer, reverse input gear, and lock washer as a set.

Inspection

Inspection

INSPECTION AFTER DISASSEMBLY

Shaft and Gear

Check the following items. Replace reverse output gear, snap ring, reverse baulk ring, return spring, needle bearing, reverse idler shaft, spacer, reverse input gear, and lock washer as a set, if necessary.

Damage, peeling, bend, uneven wear, and distortion of shaft

Excessive wear, damage, and peeling of gear

Bearing

Check damage and rotation of bearing. Replace reverse output gear, snap ring, reverse baulk ring, return spring, needle bearing, reverse idler shaft, spacer, reverse input gear, and lock washer as a set, if necessary.

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