Checking Engine Oil Pressure
WARNING: This page is about a different car, the 2009 Jeep Patriot and 2009 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Anytime the oil temperature sensor is removed, it should be replaced with a new sensor.
- Disconnect and remove oil temperature sensor (1).
CAUTION: Threads in cylinder head are British Standard Pipe (BSP). Do not install a NPT threaded adapter, this could crack the cylinder block.
- Install threaded adapter 9879 (1).
- Install oil pressure gauge (2).
- Start engine and record reading on oil pressure gauge (1).CAUTION: If oil pressure is 0 at idle, do not perform the 3000 RPM test
- If oil pressure is 0 at idle, shut off engine. Check for pressure relief valve stuck open, a clogged oil pick-up screen.
- Remove oil pan and inspect for debris. See Engine/Lubrication/PAN, Oil - Removal .
- Remove oil pressure relief valve. See Engine/Lubrication/VALVE, Oil Pressure Relief - Removal .
- Inspect oil pressure relief valve and replace if damaged. See Engine/Lubrication/VALVE, Oil Pressure Relief - Inspection .
- If pressure relief valve is ok, replace balance shaft module assembly. See Engine/Lubrication/PUMP, Engine Oil - Removal .
- After test is complete, remove oil pressure gauge (2) and adapter 9879 (1).
- Install a new oil pressure temperature sensor (1) and connect electrical connector.