2001–2005 MG ZT / ZT-T
Browse our directory of 2001–2005 MG ZT / ZT-T vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 2001–2005 MG ZT / ZT-T has 5 known issues. 3 of these are classified as serious faults that could be expensive to repair. 1 are moderate concerns worth inspecting before purchase.
ECU Flooding (Blocked Drains)
SeriousThe plenum chamber drains block with leaves, causing water to rise and submerge the engine ECU.
Symptoms: Car cuts out, Refusal to start...
Est. repair cost: £400–£800
K-Series Head Gasket Failure (1.8 Petrol)
SeriousThe 1.8 K-Series petrol engine is prone to head gasket failure if the cooling system is neglected. Symptoms include overheating and oil/coolant mixing.
Symptoms: Overheating, Oil in coolant / Coolant in oil...
Est. repair cost: £500–£800
Brake Pipe Corrosion
SeriousThe brake pipes can corrode, particularly in areas where road salt is used. This is a serious safety concern and a common MOT failure point.
Symptoms: Spongy brake pedal, Brake fluid leak...
Est. repair cost: £100–£300
Front Coil Spring Breakage
ModerateThe front coil springs are prone to snapping due to fierce corrosion, particularly on UK roads with salt and potholes. This is a common MOT failure.
Symptoms: Clunking from the front end, Car sitting lower on one side...
Est. repair cost: £100–£250
Electric Seat Motor Failure
MinorThe electric seat adjustment motor is not hugely reliable and can fail, leaving the seat stuck in one position.
Symptoms: Seat adjustment motor not responding, Seat stuck in one position...
Est. repair cost: £100–£250
Buying Tips for the 2001–2005 MG ZT / ZT-T
- ✓Check the "Plenum" drains under the windscreen; if blocked, they flood the ECU, which is a terminal bill.
- ✓On the CDTi, check the in-tank and under-bonnet fuel pumps; they are known failure points.
- ✓Inspect the rear coil springs, as they are prone to snapping on UK roads.
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