LR3/Disco 3
Oil Pressure Switch
The oil pressure switch, located in the 'vee' at the front of the LH cylinder head, connects a ground input to the instrument
cluster when oil pressure is present. The switch operates at a pressure of 0.15 to 0.41 Bar (2.2 to 5.9 Psi).
Oil Level Gauge
The oil level gauge locates midway along the LH side of the oil pan, supported in a tube installed in the ladder frame. Two
holes in the end of the gauge indicate the minimum and maximum oil levels. There is a difference of approximately 1 litre
(1 US quart) between the two levels.
EXHAUST MANIFOLD
In service care must be taken when removing the oil filter to minimise oil drips and spillage into the engine 'vee' and
cam covers:
Do not use air/power tools
Unscrew oil filter cap 4-5 turns
Leave for a minimum of 1 minute to allow to drain
Remove cap, ensuring minimal oil spillage
Replace oil filter element into the cap (can only be fitted in one direction)
Replace cap and torque to specification.
Item Part Number
Description
1
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Oil pressure switch
