Nissan Micra K11 silhouetteK11

REPAIR FOR COMPONENT PARTS — Mainshaft and Gears (Cont'd)

MT-5021prose procedure

Page header tab reads 'MA5L' (5-speed manual transaxle variant). Page-code stamp at bottom reads 'MT-5021'.

Mainshaft and Gears (Cont'd)

3rd/4th synchronizer assembly (continued)

  1. 12
    Position the fingers onto the hub.
    Close-up of the synchronizer hub seated inside the sleeve. Two black arrows point inward at the gap between hub teeth and sleeve, indicating where the shifting inserts (fingers) seat. Looking down the axis showing the splined bore in the centre.
    NMT125
  2. 13
    Insert the springs and balls into the fingers.
    A hand holds the synchronizer-sleeve/hub assembly with a flat-blade screwdriver depressing the spring-loaded balls at the top while pressing the hub into the sleeve. A loose shift insert (finger) with its spring and ball sits in the foreground beside the third/fourth synchronizer hub.
    NMT126
  3. 14
    Press on the balls and insert the hub assembly into the sleeve.
  4. 15
    Repeat 3rd/4th synchronizer assembly procedure for assembling 5th synchronizer.
    Check hub and sleeve orientation, pay attention to the direction and the marks made on disassembly.
    Two views of the 5th synchronizer: left, three-quarter view of the assembled coupling sleeve on its hub; right, a half-section diagram showing the internal hub/sleeve cross-section with the spline profile. Label 'Subscribe Synchronizer' / '5th Synchronizer' is in the panel header.
    NMT127

ASSEMBLY

Mainshaft assembly

  1. 1
    Install new mainshaft front bearing.
    Vertical line-drawing of the mainshaft front-bearing installation. A long press tool sits on top of a shorter pilot tool, with arrows pointing at part numbers KV32910014 (upper) and KV32910070 (lower). The bearing is being pressed onto the mainshaft from above using these special tools.
    NMT080
  2. 2
    Install new snap ring and mainshaft sleeve.
    Snap-ring pliers expanding a snap ring around a splined shaft (mainshaft). A small bushing/sleeve sits to the right with a horizontal dashed reference line indicating its mounting position on the shaft.
    NMT081
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