Question 1

What is the Electric Power Steering (EPAS) Failure issue on the Peugeot 307?

Accepted Answer

The EPAS column can fail on the 307, causing heavy or unassisted steering. This is a dangerous fault that typically occurs without much warning. Symptoms include: Heavy steering at low speed, EPS warning light, Steering intermittently unassisted. Estimated repair cost: £400–£900.

Question 2

What is the BSI Water Ingress and Electrical Faults issue on the Peugeot 307?

Accepted Answer

The body control module (BSI) located under the scuttle area is vulnerable to water ingress from blocked pollen filter drains, causing erratic electrics including phantom warning lights, wiper faults and starting problems. Symptoms include: Phantom dashboard warning lights, Wipers operating randomly, Central locking cycling, Car failing to start. Estimated repair cost: £200–£800.

Question 3

What is the Head Gasket Failure (1.6 16v) issue on the Peugeot 307?

Accepted Answer

The 1.6 16v petrol engine is known for head gasket failures, leading to coolant loss, overheating and potential engine damage. Prevention through timely coolant changes is key. Symptoms include: Overheating, White exhaust smoke, Coolant loss without visible leak, Mayonnaise under oil filler cap. Estimated repair cost: £500–£1,200.

Question 4

What is the Clutch Slave Cylinder Leak issue on the Peugeot 307?

Accepted Answer

The concentric clutch slave cylinder can develop internal or external leaks, causing a soft or sinking clutch pedal and eventually making gear changes difficult or impossible. Symptoms include: Soft or sinking clutch pedal, Difficulty selecting gears, Fluid leak around the gearbox bellhousing. Estimated repair cost: £200–£500.

Question 5

What is the ABS Module Failure issue on the Peugeot 307?

Accepted Answer

The ABS control module can fail, triggering the ABS warning light and disabling the anti-lock braking system. The module can sometimes be repaired rather than requiring full replacement. Symptoms include: ABS warning light on dashboard, ABS function disabled, Traction control warning (if fitted). Estimated repair cost: £200–£600.

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