The oil filter sits at an angle at the front right-hand side of the engine as you look at it. It has a black bell shaped cap on it with a black moulded hex nut on top. The cap and nut are all one moulded unit. The nut is not separate and the whole cap will spin when you loosen it by turning the nut - just screw it off and replace the filter and seal then re-tighten.
oil seals have gone
570mm
Gearbox and engine oil all one.
The 1.8 xsara Picasso petrol engine takes TOTAL Activa 7000
total active 7000
You are best to use a semi-synthetic oil. Preferably 10W40.
On a 1.8 petrol xsara Picasso the oil filter is underneath the engine in the middle towards the front. The air filter is in a little box held by (3?) screws on the front right of the engine compartment.
Oil pressure is low. Check oil level and condition (is the oil black and thin? If so, change oil and filter) If this doesn't fix it, the engine might be badly worn or the oil pump may have a fault. Have your local garage take a look.
just behind the radiator at front of engine. its located under a black plastic dome in an upright position.
Open the oil Vaulve
Xsara don't use hydraulic clutch. It has a cable.
The oil pump is inside the oil pan.