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7040 water pump volute o-rings
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DIESEL View Drop Down
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Joined: 26 Aug 2013
Location: Sandhills
Points: 259 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DIESEL Quote  Post ReplyReply Direct Link To This Post Topic: 7040 water pump volute o-rings
    Posted: 09 Dec 2023 at 8:52pm
In the water pump volute there is only room for 1 o-ring for the water tube to slide into, but the parts book breakdown shows 2. What am I missing fellas. Manual says to put on the tube and slide in but I'd think it would be easier to install in the volute first, any pointers.
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8159 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 09 Dec 2023 at 10:34pm
Kinda remember what yer saying about 2 but it only uses one on each end and they go inside in the groove then the pipe is slipped in. (this is on an 8070 but I think the same) I used a little silicone grease on the oring and tube. Right or wrong.
Went and looked...same for 7040 and 8070.  Both take two 70923621 orings on tube. One per end. Parts books for '40 shows 2 at front of tube in pic and '70 book shows one. Both say in description 2 required. 70923684 is oring between volute and block. You wouldn't guess it from the picture. HTH


Edited by SteveM C/IL - 09 Dec 2023 at 10:49pm
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