Brakes
1 documented fault — symptoms, causes and workshop fixes.
Brakes squeal
Overview
- Affects
- All models.
Cause
Replacement brake pads fitted without anti-squeal shims.
Repair
- Ensure brake pad anti-squeal shims are fitted.
- Replacement shims available separately.
Data: Motorwise Workshop. Bulletin 1.
Clutch & gearbox
1 documented fault — symptoms, causes and workshop fixes.
Air conditioning (AC) inefficient
Cause
AC compressor clutch relay faulty.
Repair
- Replace AC compressor clutch relay.
Data: Motorwise Workshop. Bulletin 2.
Glossary
Technical terms used in this guide.
- AC
- Air conditioning — the system that cools the cabin
- Relay
- An electrically operated switch
Frequently asked questions
What are the common faults with the Toyota Dyna 2.5 D-4D?
This guide contains two workshop bulletins for the Toyota Dyna 2.5 D-4D. Of these, one concerns the brakes and one the clutch and gearbox. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Toyota Dyna 2.5 D-4D have these faults?
No. These are patterns documented across the model by workshops, not predictions for an individual vehicle. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.
Can I check for Toyota Dyna 2.5 D-4D faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.