3.9L Oil Pressure at Operating Temp and Idle - Defender Source
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  #1  
Old September 24th, 2016, 01:23 PM
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Question 3.9L Oil Pressure at Operating Temp and Idle

For a Rover 3.9L with a distributor driven oil pump, what should be the oil pressure at operating temp and idle?
The workshop manual states at 2400rpm and operating temp the oil pressure should be 1.76kg/cm^2 (~35psi)
States nothing about idle.

Thanks!
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  #2  
Old September 24th, 2016, 02:27 PM
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Quote:
Originally Posted by Grover View Post
For a Rover 3.9L with a distributor driven oil pump, what should be the oil pressure at operating temp and idle? The workshop manual states at 2400rpm and operating temp the oil pressure should be 1.76kg/cm^2 (~35psi) States nothing about idle. Thanks!
I don't like to see oil pressure go below 20psi.
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  #3  
Old September 25th, 2016, 08:32 AM
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Idiot light comes on around 7psi... but that's sounds scary low. I recall around 15 being normal.
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