Jd 425
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Thread: Jd 425

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    Jd 425

    have a 1997 john deere 425 and just did the plastic cam gear replacement and after completing, the oil pressure light flickers at low idle. I replaced the cam gear with a metal gear, new waterpump, tappets, push rods, new oil seals, govern gear, metal oil pump gear and all new gaskets. The tractor runs good other than that. No problems with cam gear replacement. Any ideas would be appreciated.

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    Welcome from Lancaster, PA. I'm sure someone will come along soon that knows a bit more about your rig and can help.

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    Brians2032R's Avatar
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    I would start with the basics if you have not already done so. Oil level, loose wire on sending unit, or bad sending unit. I did the same cam swap as you on my old 445. Couldn't beleive how easy those engines are to work on. My father-in-law still uses it with no issues.
    2014 John Deere 2032R
    H130 FEL, 54" Front Blade modded to 70", "Priceless" Artillian 42" pallet forks.http://www.artillian.com/
    I-Match hitch, Ballast Box, Box Blade, Landscape Rake, Rear Blade
    Traded in: 1026R w/fel, 60" auto conn. deck. Great tractor. Will be missed.
    Sold to fil: 445 w/54" deck, snow blade/plow, 3pt. hitch
    Sold to father: JD stx38 Has outrun it's hood.

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    thanks for responding. I ordered the oil pressure switch and should be in this week. I cut the grass today and ran great. Will install new switch to try that. Will post with results. Thanks again.

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    Screw in a mechanical guage to test the pressure.
    Matt

    NRA Life Member

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    javjacob's Avatar
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    I am doing the exact same thing to my 345. I don't know why they ever used plastic gears inside the engine. Wish there was a steel oil pump gear for the 345.
    98 John Deere 345

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    Good luck on the cam
    replacement. Pretty straight forward.

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    Problem resolved. It was the oil pump. Replaced and all is working great. No more oil pressure light, just on start up. Should have done this in the first place.
    Brians2032R likes this.

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    Brians2032R's Avatar
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    Quote Originally Posted by denny View Post
    Problem resolved. It was the oil pump. Replaced and all is working great. No more oil pressure light, just on start up. Should have done this in the first place.
    Glad you got it fixed. Now it's play time.
    2014 John Deere 2032R
    H130 FEL, 54" Front Blade modded to 70", "Priceless" Artillian 42" pallet forks.http://www.artillian.com/
    I-Match hitch, Ballast Box, Box Blade, Landscape Rake, Rear Blade
    Traded in: 1026R w/fel, 60" auto conn. deck. Great tractor. Will be missed.
    Sold to fil: 445 w/54" deck, snow blade/plow, 3pt. hitch
    Sold to father: JD stx38 Has outrun it's hood.

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