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D17 engine seizes up when it warms up
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djake View Drop Down
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Joined: 14 Nov 2019
Location: Green Isle, MN
Points: 36 		Post Options Post Options   Thanks (0) Thanks(0)   Quote djake Quote  Post ReplyReply Direct Link To This Post Topic: D17 engine seizes up when it warms up
    Posted: Yesterday at 7:26pm
My D 17 series 1 suddenly stops when engine gets up to running temp and the starter won’t be able to turn it over again. If I let the engine cool down good , it will start right up again. It will repeat the same problem if I let it run. It is never running hot, but at normal running temp. I had recently put in new pistons and liners, which I did with the engine in the tractor. Any ideas what might be going on?
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ac45dave View Drop Down
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Joined: 23 May 2015
Location: SE(IN)
Points: 1344 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ac45dave Quote  Post ReplyReply Direct Link To This Post Posted: 23 hours 18 minutes ago at 8:09pm
piston to liner clearance too tight????
54 wd-45gas ; 56 wd-45d N/F w/fact p/s ; 63 d-17 sIII N/F gas ; 60 D14 N/F ; 67 d-17 sIV N/F gas ; 63D15 sII W/F; 39rc#667 ; 2021 massey 4710 fwa ; gravely 2 wheel tractors
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 21764 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 23 hours 8 minutes ago at 8:19pm
Piston pins not centered more likely.
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Gary Burnett View Drop Down
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Joined: 11 Sep 2009
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Points: 3064 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary Burnett Quote  Post ReplyReply Direct Link To This Post Posted: 22 hours 43 minutes ago at 8:44pm
Did you get the rods turned right when you assembled the engine? Just had a WD45 reworked that I bought that was doing about you described,No 2 and 3 were wrong.
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Docdan View Drop Down
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Joined: 14 Dec 2023
Location: Wmsburg, PA
Points: 5 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Docdan Quote  Post ReplyReply Direct Link To This Post Posted: 22 hours 24 minutes ago at 9:03pm
Are the rings gapped correctly? I had the same problem when I forgot to gap the rings in an earlier rebuild, I was 16 yrs old at the time.
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8583 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 20 hours 17 minutes ago at 11:10pm
Yah. If you don't put the rods in right and center the pins in the bore you will mess things up.
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
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Points: 8583 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 20 hours 14 minutes ago at 11:13pm
Originally posted by ac45dave ac45dave wrote:

piston to liner clearance too tight????
If you didn't clean the lower bores totally your sleeve may be getting squeezed when hot and be grabbing the piston.
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