2001 Deville Northstar - rebuild - oil pressure
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 2001 Deville Northstar - rebuild - oil pressure in Past Cadillac Vehicle Discussion; I just recently rebuilt my caddy motor and fired it up and the indication light says I have low fuel ...
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    Nate81 is offline Cadillac Owners Member
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    2001 Deville Northstar - rebuild - oil pressure

    I just recently rebuilt my caddy motor and fired it up and the indication light says I have low fuel pressure to stop motor. I have primed the system and still no pressure. When I was building the motor I put a new oil pump in, so I'm stuck and need some ideas anyone

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    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: 2001 Cadillac Deville 4.6l Northstar

    Your post has nothing to do with Registration problems or Login issues. Please read the descriptive text in each forum banner to find out what is supposed to be posted there.

    Moved to the proper Deville forums.

    Fuel pressure ??? Oil pressure - the oil pump is driven by friction between the harmonic balancer hub, the oil pump drive sleeve, and the crankshaft machined shoulder. There is a specific torque - degree sequence to get that sleeve properly clamped. Read your GM service manual again, lock the engine flywheel (flexplate) and perform the proper torque/degree procedure on the harmonic balancer bolt.

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    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: 2001 Deville Northstar - rebuild - oil pressure

    I strongly suspect you did not torque the harmonic balancer properly. I forget the torque spec, but it is quite high.

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    stoveguyy is offline Cadillac Owners Connoisseur
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    Why did u rebuild motor

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