IsItAGoodCar
Reliability Guide

Common Problems with the
2008 Isuzu D-Max / Rodeo (Mk1)

The range was crowned by a new 3.0-litre i-TEQ common-rail diesel engine with 163bhp, an available five-speed automatic gearbox, and popular high-spec Denver Max and LE luxury trim packages.

What changed for 2008

  • •Flagship 3.0-litre 16-valve i-TEQ common-rail diesel engine producing 163bhp and 265 lb-ft of torque
  • •New five-speed automatic transmission option offered alongside the standard five-speed manual
  • •Introduction of Denver Max and Denver Max LE special editions with leather upholstery and DVD touchscreen
  • •Reinforced towbar package rated for 3,000kg braked trailer towing

Common MOT watch-outs

  • !Excessive diesel particulate and soot emissions under full acceleration if EGR valve or injectors are fouled
  • !Seized or binding rear drum brake shoes and corroded handbrake operating cables
  • !Rear brake pipe corrosion where hydraulic lines run along the top of the chassis rails
3
Known Issues
1
Serious
2
Moderate
0
Minor

All Known Issues

Severe Chassis Corrosion

SeriousSuspension & Chassis

The chassis can rot from the inside out, particularly around the rear spring mounts and the fuel tank area.

Est. Repair Cost: £500–£2,000 (Welding)
Warning Signs:

MOT failures for structural rust, Visible holes in the chassis

What to Inspect:
  • Poke the chassis with a screwdriver/hammer around the rear arch area
Verified by IsItAGoodCar Research Team

Injector Failure

ModerateEngine

Injectors can leak or clog, leading to rough running and potentially engine damage if left unchecked.

Est. Repair Cost: £250–£1,000
Warning Signs:

Rough idling, Difficult cold starts, Black smoke under acceleration

What to Inspect:
  • Listen for a "hunting" idle when the engine is cold
Verified by IsItAGoodCar Research Team

Clutch and Dual-Mass Flywheel Wear

ModerateGearbox & Transmission

The clutch and DMF on manual models can wear prematurely, especially on vehicles used for towing. The DMF can develop a characteristic rattle at idle.

Est. Repair Cost: £600–£1,200
Warning Signs:

Clutch slipping under load, Rattle at idle that disappears with clutch pressed, Difficulty selecting gears, Vibration through clutch pedal

What to Inspect:
  • Listen for DMF rattle at idle
  • Test clutch bite point and slip
  • Check for clutch pedal vibration
Verified by IsItAGoodCar Research Team

Buying Tips for 2008 Isuzu D-Max / Rodeo (Mk1)

  • On 3.0 i-TEQ models check the oil dipstick level and smell to ensure diesel is not diluting the sump oil
  • Test automatic transmission shifts under load; fluid should be clean pinkish-red rather than burnt brown
  • Examine load bed floor and wheel tubs for structural cracks or fatigue caused by repeated heavy commercial payloads