Peugeot 5008 2.0 HDi Mk1

The 2.0 HDi uses an additive-assisted DPF regeneration system with Eolys fluid. Short trips under 20 km prevent the exhaust from reaching the temperatures needed for automatic regeneration (450-550 degrees Celsius), causing progressive soot buildup. Symptoms start with a dashboard warning and escalate to limp mode. A forced regeneration at a garage costs around 150-250 euro. Professional chemical cleaning runs 300-500 euro. Full DPF replacement with an aftermarket unit costs 600-900 euro fitted, while a genuine Peugeot DPF can exceed 1,200-1,500 euro. The Eolys additive reservoir needs topping up roughly every 120,000 km (around 100-150 euro including the counter reset). Cars with regular motorway use rarely develop DPF problems.

The EGR valve on the DW10CTED4 engine is prone to carbon fouling, particularly on cars used for short trips or gentle driving. The valve is in a difficult-to-access location on this engine, which increases labor time. Symptoms include rough idle, loss of power, hesitation during acceleration, increased fuel consumption, and engine management light. Cleaning the valve costs around 150-250 euro at an independent garage. If the internal mechanism is damaged, a replacement EGR valve costs 300-500 euro including labor at an independent shop, or up to 700 euro at a Peugeot dealer. Regular motorway driving at higher RPM helps prevent buildup.

The variable geometry turbo on the 2.0 HDi can suffer from a seizing actuator, most commonly on cars driven gently or used for short trips. Carbon deposits restrict the vane mechanism, preventing proper boost control. Symptoms include reduced power, excessive smoke, and fault codes P0234, P1496, or P1497. The actuator can sometimes be freed and adjusted for 200-400 euro. If the turbo internals are damaged, a remanufactured turbo costs around 600-900 euro fitted, while a new genuine unit runs 1,500-2,000 euro. Oil starvation from blocked oil feed lines is the main cause of complete turbo failure. Always replace the oil feed pipe when fitting a new turbo. The 2.0 HDi turbo is generally more robust than the 1.6 HDi unit.

The dual mass flywheel on the 2.0 HDi is under more stress in the heavier 5008 body, especially with regular urban driving and frequent stop-start traffic. Symptoms include a rattling or knocking noise at idle (most noticeable in neutral with the clutch pedal released), vibration through the pedals, and juddering when pulling away. Typical failure occurs between 100,000 and 150,000 km. Replacement of the DMF, clutch kit, release bearing, and slave cylinder costs approximately 800-1,200 euro at an independent garage (parts around 400-600 euro, labor around 400-600 euro due to the approximately 10-hour job). A Peugeot dealer may charge up to 1,500 euro. When replacing the DMF, always replace the clutch kit and slave cylinder at the same time.

The 5008 Mk1 uses an electronic parking brake system that is more complex than a traditional handbrake. Common failures include the EPB switch on the dashboard (cheapest fix at around 50-150 euro), the electric motors inside the rear brake calipers (around 400-600 euro per side at a dealer), and control module communication errors. Diagnosis requires Peugeot-specific software (Diagbox/Lexia) as generic OBD readers often cannot communicate with the EPB system. This adds cost even for independent garages that need to invest in the diagnostic equipment.

The front lower arms on the 5008 use a boomerang-shaped design with press-fitted bushes. These wear out with regular use, particularly on cars driven on poor road surfaces. Symptoms include clunking over bumps, squeaking when cornering, and vague steering feel. The rear bolt on each arm is notoriously difficult to remove as it tends to seize, sometimes requiring cutting with an angle grinder. Replacement of both lower arm bush sets costs 200-350 euro at an independent garage. If the complete arms need replacing (due to seized bolts), expect 350-500 euro. Polyurethane aftermarket bushes are available for improved longevity.

The 2.0 HDi uses copper washers and plastic protectors to seal the injectors into the cylinder head. Over time these degrade, allowing combustion gases to escape upward. The telltale sign is a regular hissing or chuffing sound from the engine at idle and sometimes an exhaust gas smell. Replacement of all four injector seal kits costs around 20-40 euro in parts. An independent garage typically charges 100-250 euro total including labor. If ignored, carbon buildup around the injector wells makes later removal much harder and can damage injector seats, pushing costs to 400-500 euro.