Vehicle Maintenance (diesel) Peugeot 406

The maintenance operations are the same as for vehicles with petrol engines after 15,000 km.

Technical information for maintenance
Operating materials and fluids Engine (diesel) All-season motor oil according to ACEA B2/96 or API CD specification (Duckhams QS, QXR, Hypergrade Plus, Diesel, Hypergrade or 1OW-40) Cooling system Procor 3000 Coolant...

Maintenance intervals
To keep your vehicle in excellent condition, it is necessary to service it periodically. Service can be performed either continuously or at certain intervals, which are listed below. These are the minimum service...

View of the engine compartment
Engine bay of the 2.1 liter engine (top view) 1. Oil filler neck; 2. Fuel filter; 3. Battery; 4. Brake fluid reservoir; 5. Radiator; 6. Expansion tank; 7. Suspension strut; 8. Air filter; 9. Power steering pump; 10....

Removal water from the fuel filter (10,000 km/12 months)
The drain plug and pipe are located at the base of the fuel filter housing. 1. Place a suitable container under the drain pipe. 2. Open the drain plug by turning it counterclockwise. 3. Drain the water until clean fuel...

Checking the tightness of hoses and detecting liquid leaks (10,000 km/12 months)
The procedures for checking the tightness of the hoses are the same as for vehicles with gasoline engines, except for the following differences. Fuel 1. Check all high pressure fuel lines and their connections to the...

Cabin filter replacement (20,000 km)
Replace the fine air filter in the ventilation system. The procedures for replacing the fine air filter are the same as for cars with gasoline engines.

Replacing the air filter element (30,000 km)
Maintenance operations are the same as for petrol engine vehicles, except for the following differences. 1. Loosen the clamp and remove the inlet duct from the filter housing cover. 2. On 2.1L engine models, disconnect...

Fuel filter replacement (30,000 km)
The fuel filter is located in a plastic housing at the front of the engine. 1. Place a container under the fuel filter drain hose, loosen the fuel filter water drain screw and completely drain the fuel from the fuel...

Checking the gearbox oil level (60,000 km)
Oil level check plug and drain plug in a manual transmission of cars with a 2.1 liter engine A. Oil level check plug B. Drain plug Checking the oil level in the gearbox is done in the same way as in cars with petrol...

Auxiliary drive belt (60,000 km)
Auxiliary drive belt tensioner mechanism (models with air conditioning) 1. Bent 7.0mm square rod 2. Square hole on the front side of the eccentric tension pulley 3. Eccentric bolt for fastening the tension pulley 4....

Every 120,000 km or 2 years
Air bleed screw on heater hose The screw is indicated by the arrow. Air bleed screw on the bypass hose The screw is indicated by the arrow. The coolant replacement procedures are the same as for cars with gasoline...

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