Login to enhance your online experience. Login or Create an Account
Logo
Shopping Cart

Shopping Cart 0 Items (Empty)

Hino Dutro WU and XZU Models Series Workshop Manual download

Summary theory (what the cable does)
- The selector cable is a push/pull linkage: the inner wire moves relative to the outer sheath to translate the driver's shift lever movement into rotation/translation of the transmission selector lever.
- Proper gear selection requires correct cable length and neutral-centre alignment so that each detent position of the gearbox selector corresponds exactly to the shift lever positions in the cab.
- Faults (hard/false shifting, wrong gear, grinding, inability to engage gear, or “between-gear” feel) are caused by incorrect cable length, excessive free-play (backlash), worn bushings/clevises, cable stretch or binding, or bent mounting brackets. Adjustment re-establishes the correct mapping and takes up slack so the gearbox detents are fully engaged.

Ordered procedure with theory integrated (do these steps in sequence)

1. Safety & preparation
- Park on level ground, apply parking brake, chock wheels, transmission in neutral, engine off.
- Put the shift lever in the exact neutral position (feel the centre detent). Theory: adjustments must start from a true neutral reference at the driver control.

2. Expose both ends of the cable
- Remove the interior lower console or cover to access the cabin end of the selector cable and the shift lever base. Access the transmission end by raising the vehicle or using a pit and remove any protective covers to see the cable-to-transmission clevis/adjuster. Theory: you must be able to see/measure both ends to align them.

3. Inspect cable, ends and brackets
- Check for frayed cable, kinks, corrosion, stretched sheath, worn or torn rubber boots, loose clevis pins, damaged bushings, or bent mounting brackets. Replace any worn parts. Theory: adjustment cannot cure physical damage or excessive stretch; those must be fixed first since they change geometry under load.

4. Identify adjusters and locknuts
- Locate the threaded adjuster (usually where the inner cable exits the sheath), the locknut, and the clevis pin at the transmission selector. Also note any in-cabin adjusters or a splined lever clamp. Theory: the threaded adjuster changes effective cable length; the locknut secures it so length doesn't drift.

5. Center transmission selector in neutral
- Manually move the gearbox selector lever to its neutral position (you may rotate it to the center of its neutral range). If the transmission lever has a neutral indexing bolt or marks, use them. Theory: you must align the transmission selector to neutral independently so both ends match.

6. Center cabin shift lever in neutral
- With the driver lever in neutral, confirm its neutral is exactly midway (use gate pattern or center detent). If the cabin lever is off-center relative to the transmission, you will correct cable length. Theory: neutral-to-neutral alignment ensures 1:1 correspondence throughout the range; otherwise some gears will be off.

7. Set the adjuster to remove preload/slack
- Loosen the adjuster locknut. Turn the threaded adjuster until the cable free-play is removed but without putting tension on the mechanism — inner cable should contact the transmission lever so neutral aligns, but not stretch the cable. Tighten the locknut to secure the adjuster. Theory: removing slack eliminates backlash; you must not pre-load (overtighten) because that shifts neutral and stresses components.

8. Check targeted free-play (perceptible minimal play)
- Some play is required so detents and reverse lock mechanisms work correctly. After locking the adjuster, verify there is a small, smooth neutral play at the cab lever (a few millimetres). If manufacturer spec is available use that. Theory: small free-play allows detents and reverse interlock to operate without binding; zero play can bind the mechanism.

9. Refit clevis / pin and ensure correct orientation
- Ensure clevis pin and retaining clip are fitted correctly and any rubber boots seated. Replace split pins or clips as needed. Theory: secure mechanical connection transfers motion; loose pin allows mis-indexing or disengagement.

10. Lubricate pivots and cable sheath ends
- Apply light grease to pivot points and a suitable cable lubricant inside the sheath ends if serviceable. Don’t over-grease gearbox internals. Theory: lubrication reduces friction and prevents binding, ensuring smooth, reproducible cable movement.

11. Manual gear-check test (static)
- With vehicle still secure, move the cabin shift lever through each gear position slowly and observe the transmission selector movement. Have an assistant watch the transmission lever: each gear change should produce full, positive movement into detent positions with no excessive motion or missed detent. Listen for abnormal noises. Theory: this verifies mapping across the whole gate and confirms detents engage cleanly.

12. Road test
- Drive at low speed in a safe area and shift through all gears under light load. Confirm positive engagement, no false neutrals, no grinding, and smooth gate feel. Re-check adjuster after test; locknuts occasionally need re-torquing. Theory: dynamic load can reveal residual stretch/bind or misalignment that static checks do not.

How the repair fixes common faults (mechanical explanation)
- Wrong gear or off-by-one gear: caused by cable length error or mis-centred neutral. Adjusting re-aligns neutral so each gear selector position maps correctly to the gearbox detent positions.
- Hard or slow shifting: caused by excessive free play or cable binding. Removing slack and lubricating reduces backlash and friction so shift forces are transmitted smoothly.
- Gear pop-out / incomplete engagement: usually due to cable too tight or a worn cable/clevis that lets the lever not fully seat in detent; correcting length and replacing worn parts restores full detent engagement.
- Grinding when selecting gear: typically indicates selector lever and transmission input shaft synchronisation mismatch caused by misaligned selector positions; centring neutral and setting correct cable length ensures synchronisers are engaged when expected, preventing grinding.
- Intermittent faults under load: often caused by stretch or loose locknuts; securing adjuster and replacing stretch-compromised cables restores consistent geometry under load.

Quick diagnostics to know adjustment is needed
- Shift lever feels “off-center” in neutral, or the gate positions don’t match feel.
- Some gears become hard to select while others are fine.
- Reverse engages but forward gear is between gears, or vice versa.
- Shifting improves or worsens with engine/transmission mount condition (check mounts) — mounts that move change geometry and can mimic cable issues.

Notes and cautions
- Replace cable or end fittings if frayed, kinked, or the sheath collapsed — adjustment is temporary if cable is physically compromised.
- Always follow the Hino factory specification for any play measurements and torque values if available.
- Do not overtighten adjuster to eliminate all play — that will bind detents or prevent reverse interlock.

Done.
rteeqp73

You Might Also Like...

Kryptronic Internet Software Solutions