MG ZR
Based on the Rover 25, the ZR was a massive UK success. It’s a great-handling "hot" hatch but requires vigilant cooling system maintenance.
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Common Faults & Reliability
These are the most common documented problems for the MG ZR, sorted by their typical impact and frequency.
K-Series Head Gasket Failure (HGF)
high severityThe K-Series engine is prone to head gasket failure due to its small coolant capacity and plastic locating dowels that allow the head to shift.
SCU / BCU Failure (Pektron)
medium severityLater models (2003+) use a Pektron SCU that controls windows, fobs, and wipers. It is notorious for relay failure.
Worn Front Suspension
medium severityThe front suspension bushes and ball joints wear out, leading to vague steering, knocking noises, and poor handling. This is a common MOT failure point and can be exacerbated by hard driving.
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Example MG ZR Vehicles
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