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D17 Cam bearing |
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djake
Bronze Level Joined: 14 Nov 2019 Location: Green Isle, MN Points: 34 |
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Posted: 14 Jan 2020 at 4:21pm |
Does anyone know if the cam bearings can be replaced on a D17 gas
without pulling the head off? I've got the oil pan off and the crank out. Wondering if I only need to pull the valve cover.
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Sugarmaker
Orange Level Joined: 12 Jul 2013 Location: Albion PA Points: 8167 |
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Djake,
The engne is out on a stand upside down? I would think that the cam bearings could be changed with out removing the head. Remove rocker arm, and remove push rods. Then rotate the engine upside down so the tappets are down, Timing cover off. should be able to pull cam. then bearings. But I have never done this and folks like Mack, Dr Allis and Don(MO) would have better details. you might need to change the welsh plug at the back of the block for the cam. I had my machine shop install my cam bearings as the block was being worked on. Regards, Chris |
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.
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MACK
Orange Level Joined: 17 Nov 2009 Points: 7664 |
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Yes, remove cam, cam followers, and rear plug. Have a good bearing driver that fits bearings and start them in straight. MACK
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CTuckerNWIL
Orange Level Joined: 11 Sep 2009 Location: NW Illinois Points: 22807 |
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http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF |
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Sugarmaker
Orange Level Joined: 12 Jul 2013 Location: Albion PA Points: 8167 |
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djake,
Here is that big welsh plug at the back of the block, covering the rear cam bearing, Important not to block the oil hole in the block when installing this back bearing: Cam out would look something like this: cam installed: Correct me if I am wrong but I believe the oil pump needs to be pulled. It is drive off the cam. Good time to service the oil pump too. Service manual describes the inspection of the oil pump. I made the mistake of not doing this and I pulled the engine again to tune it up. Timing cover aligned and new crank seal installed: Question for MACK. Are the cam followers you mention, what I called tappets which I should have called lifters? Regards, Chris |
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.
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MACK
Orange Level Joined: 17 Nov 2009 Points: 7664 |
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Lifters, cam followers are same thing. I would call the adjustable rocker arms the tappets. MACK
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Sugarmaker
Orange Level Joined: 12 Jul 2013 Location: Albion PA Points: 8167 |
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Yes my mistake. Thanks MACK!
Regards, Chris
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.
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