1991–2006 Caterham Seven (Rover K-Series)
Browse our directory of 1991–2006 Caterham Seven (Rover K-Series) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
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Common Problems & Reliability
The 1991–2006 Caterham Seven (Rover K-Series) has 4 known issues. 3 of these are classified as serious faults that could be expensive to repair.
Head Gasket Failure (HGF)
SeriousThe Rover K-Series engine is prone to head gasket failure due to its small coolant capacity and "sandwich" construction.
Symptoms: Loss of coolant, Overheating...
Est. repair cost: £600–£1,200
Cooling System Degradation
SeriousThe K-Series has a very small coolant capacity, making it intolerant of any cooling system weakness. Coolant pipes perish during winter storage, header tank caps fail and fan switches can stick, all leading to rapid overheating.
Symptoms: Overheating, Coolant loss...
Est. repair cost: £100–£400
Chassis Corrosion
SeriousThe thin-wall tubular steel chassis can rust quickly if the powder coating is compromised. Corrosion typically starts at welds and joints where moisture and road salt become trapped, and can threaten structural integrity.
Symptoms: Rust spots on chassis tubes, Bubbling paint or coating...
Est. repair cost: £800–£3,000
Starter Motor "Click"
MinorHeat from the exhaust manifold often cooks the starter motor solenoid, leading to a "click" but no start when hot.
Symptoms: Car won't start when hot, Audible click from starter
Est. repair cost: £150–£300
Buying Tips for the 1991–2006 Caterham Seven (Rover K-Series)
- ✓Look for a "remote thermostat" or PRT kit to prevent thermal shock to the engine.
- ✓Check the coolant expansion tank for "mayonnaise" (oil/water mix).
- ✓Verify the condition of the wiring loom; heat soak in the cramped engine bay can make wires brittle.
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