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MEDIUM / HEAVY RIGID
Hino 500 / 700
Hino 500 and 700 series share the A05/A09/E13C engine family. DPR ash overload, common-rail leak-off and clutch hydraulics are the typical workshop entries.
SYMPTOMS
What you'll notice
Tell-tale signs the Hino 500 / 700 is asking for attention.
- DPR warning, frequent regen attempts, power loss
- Cranks long before starting, then idles rough
- Soft / sinking clutch pedal
- Increased fuel consumption with no other faults
DIAGNOSTICS
How we find the fault
- 1
Hino DX scan
Read fault history, monitor DPR delta pressure and exhaust temps.
- 2
Static leak-off test
Measure return volume per injector at cranking pressure.
- 3
Clutch hydraulic test
Inspect master / slave cylinders and bleed circuit.
- 4
Road test under load
Verify regen completes and power returns to spec.
TYPICAL REPAIRS
What we fix on the Hino 500 / 700
DPR clean / bake
Off-vehicle DPR ash removal and back-pressure verification.
Injector replace / refurb
Replace high leak-off injectors and code in Hino DX.
Clutch hydraulics kit
Replace master and slave cylinders, fresh fluid, full bleed.
Common faults at a glance
Quick reference of the issues we see most on this platform.
- DPR ash overload
- Common-rail leak-off
- Clutch hydraulic failure