Mitsubishi Grandis Problems & Known Issues

The load-bearing structure around suspension mounting points suffers from corrosion that weakens the connection between the subframe and body shell. This affects the prescribed areas within 30cm of spring and suspension component mounting points. MOT data shows this model fails at 11.3 times the fleet average for structural integrity around these mounting points, with the diesel variant particularly affected at 100,000-120,000 miles. This represents a fundamental structural safety issue that can lead to suspension component detachment.

The steering rack develops excessive wear causing dangerous free play at the steering wheel. MOT data shows this model fails at 12.5 times the fleet average for steering free play, particularly affecting the 2.4-litre petrol variant at 80,000-100,000 miles. The rack's internal seals and steering mechanism wear prematurely, creating looseness that affects vehicle control and directional stability. This is a significant safety defect that worsens progressively.

Multiple suspension components suffer from premature wear and corrosion damage. MOT data shows failures at 9.8 times the fleet average for worn suspension pins, bushes and joints, with an additional 6.4 times the average for general suspension component corrosion. The diesel variant is particularly affected, with issues appearing from 80,000 miles. This encompasses wishbone bushes, anti-roll bar links, shock absorber mounts, and ball joints that deteriorate due to design weakness and corrosion susceptibility.

The engine management warning light illuminates at 4-litre petrol variant at higher mileages. This indicates detected malfunctions in the engine control system which can range from sensor failures to more serious mechanical issues. While the car typically remains driveable, the underlying cause requires diagnosis to prevent potential engine damage and ensure emissions compliance.