John Deere 445 valve adjustment tool
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Thread: John Deere 445 valve adjustment tool

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    John Deere 445 valve adjustment tool

    Just completed my second camshaft replacement, this time on my 445. We did my dads last year. Adjusting the valves with a 10mm wrench and a tiny crescent wrench isn't working great.

    Can someone help me with the right tool to adjust the valve clearance? I think it is a valve tappet adjuster tool. I know the lock nut is 10mm. Does anyone know the size of the square peg on the adjustment? Looks like the common sizes would be a 3mm or a 4mm.

    Any advice or links to tools you have used would be great.

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    TJR345's Avatar
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    Must be different than my 345 it had a screwdriver slot with the hex end so I could use either or.
    Tom

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    jgayman's Avatar
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    Quote Originally Posted by TJR345 View Post
    Must be different than my 345 it had a screwdriver slot with the hex end so I could use either or.
    I saw a YouTube video on a 455 and it too had the screw driver slots. The 445 must be unique.
    TJR345 likes this.
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    Going to try these. Will let folks know if they work.

    https://www.motionpro.com/product/08-0073
    buckteeth445 likes this.

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    This set works great. Locking nut fits the 9mm wrench and the adjustment nut is the 3mm square.

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