General information about the engine lubrication system (Peugeot 306)

The engine has a forced lubrication system. A gear pump, driven through a separate chain from the crankshaft, supplies oil at the required pressure to all bearings and all moving parts. The turbodiesel engine has four lubrication nozzles installed in the cylinder block to cool the underside of the pistons. The filling capacity of diesel and turbodiesel engines is 5.5 liters, including filter.

Figure 394 shows a diagram of the lubrication circuit of a turbodiesel engine. On a diesel engine, the lubrication circuit diagram is similar.

Figure 394. Lubrication circuit diagram 1. Oil pump; 2. Oil pressure relief valve; 3. Filter in the cylinder head; 4. Lubrication channel in the cylinder head; 5. Oil pressure switch; 6. Oil return channel; 7. Oil filter; 8. Turbocharger; 9. Vacuum pump

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Article reviewed by editor: Shirokov Arseny

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Peugeot 306: Lubrication system

Oil pump — removal and installation
Oil filter
Checking oil pressure
Engine oil level

See similar information for other Peugeot models

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➨ Engine lubrication system — general information Peugeot 605 (1989-2000)
➨ Engine lubrication system Peugeot 806 (1994-2002)

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