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Checking Engine Oil Pressure

WARNING: This page is about a different variant/trim than selected.
Fig 1: Oil Temperature Sensor
GC0054720Courtesy of CHRYSLER LLC
NOTE: Anytime the oil temperature sensor is removed, it should be replaced with a new sensor.
  1. Disconnect and remove oil temperature sensor (1).
    Fig 2: Threaded Adapter 9879
    GC0054721Courtesy of CHRYSLER LLC
    CAUTION: Threads in cylinder head are British Standard Pipe (BSP). Do not install a NPT threaded adapter, this could crack the cylinder block.
  2. Install threaded adapter 9879 (1).
  3. Install oil pressure gauge (2).
    Fig 3: Checking Engine Oil Pressure
    GC0054722Courtesy of CHRYSLER LLC
  4. 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
  5. If oil pressure is 0 at idle, shut off engine. Check for pressure relief valve stuck open, a clogged oil pick-up screen.
  6. Remove oil pan and inspect for debris. See REMOVAL .
  7. Remove oil pressure relief valve. See REMOVAL 
  8. Inspect oil pressure relief valve. See INSPECTION . If damaged, replace valve.
  9. If pressure relief valve is okay, replace balance shaft module assembly. See REMOVAL .
    Fig 4: Threaded Adapter 9879
    GC0054721Courtesy of CHRYSLER LLC
  10. After test is complete, remove oil pressure gauge (2) and adapter 9879 (1).
    Fig 5: Oil Temperature Sensor
    GC0054720Courtesy of CHRYSLER LLC
  11. Install a new oil pressure temperature sensor (1) and connect electrical connector.
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