Question about 1996 Ford F150 Regular Cab

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Noise at bottom of oil pan

I have a almost like a valve ticking noise but a little louder at the bottom of my oil pan, it almost sounds like a disiel. i cannot figure out what it is and i am missing on cylinder 5 i have good compression changed all of the wires plugs cap and rotor but cant figure out what the noise is.

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  • josh199o Nov 09, 2008

    PLease help i am very confused,

  • josh199o Nov 11, 2008

    well i have the inline six wich is a 4.9 300 i was thinking about changing the pump but havent decided yet but the thing is that the noise came right after i changed the oil i just put in 10-30, and for the compression i think i am going to do one again because we used a laptop and it was a relative compression but i was having a hard time linking to the obd2. so i dont know like i said it alomost soulds like my bearings are going out down there but it dosent make sense that the noise comes as soon as i change the oil and filter.

  • josh199o Nov 11, 2008

    And by the way i appreciate any help. some guy also told me that my cam could be going flat but im not to sure on that one.

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You need to do a compression check on all cylinders i think you will find one that is low.
you say you have good compression what is the compression in each cyl?
also is this a 302 or 351?

Posted on Nov 11, 2008

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Hello Josh thank you for using FixYa for your answer my name is David.
sounds to me like it Has something to do with the oil pump or the maybye even the screen here is a list of things it may be.
1 Inspect Valve Lifter Insufficient oil supply to valves and lifters. noise at bottom of oil pan - grey_line.gif 3 Inspect Rocker Arm Worn or incorrectly adjusted rocker arm(s). grey_line.gif 4 Inspect Rod Bearing Incorrect rod or main bearing clearances grey_line.gif 5 Inspect Oil Pump Damaged noise at bottom of oil pan - grey_line.gif pump grey_line.gif 6 Inspect Oil Pump Drinoise at bottom of oil pan - grey_line.gifaged or faulty oil pump drive gear grey_line.ginoise at bottom of oil pan - grey_line.gifi 7 Inspect Oil Pump Screen Clogged oil pump screen grey_line.gif 8 Inspect Engine Oil Capacity Low engine oil level

Posted on Nov 09, 2008

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