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4L80e pump bolt torque specs?

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Old Oct 6, 2012 | 11:27 AM
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Default 4L80e pump bolt torque specs?
Had a leak coming from the pump on my 80 so pulled the pump and put a new gasket, o-ring, and converter seal in it while it was out. Now i need the proper torque specs. Everywhere i have looked i have found it saying 18 ft/lbs but that seems like it would be really low for such a major component. Please help!
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Old Oct 6, 2012 | 12:12 PM
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ATSG manual says 18ft lbs. proper torque is usually a bunch less than what you think it would be.
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Old Oct 6, 2012 | 12:49 PM
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Yeah just seems really low for one of the big main components lol
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Old Oct 6, 2012 | 01:11 PM
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I just tore my 80e down to 500 pieces last night. A lot of crap shoved in there.
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Old Oct 6, 2012 | 01:34 PM
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Lol yeah. that is why i am going to pick up a jake's 80e when i kill this one off. don't feel like trying to have it rebuilt anywhere around here
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Old Oct 6, 2012 | 02:16 PM
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What are the thoughts on the bolt o-rings and washers? We didn't see any on the 80E we were working with. Do they all have this and could this have been the source of the leak?
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Old Oct 6, 2012 | 04:48 PM
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Mine didn't have any with washers or o-rings on bolts.
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Old Oct 6, 2012 | 05:20 PM
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Sounds good. Thanks man.


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Old Oct 6, 2012 | 10:17 PM
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I would double check those bolts. I didn't think mine had any either but after careful examination I found that I was wrong. I was under the impression that is the culprit many times also because people don't replace them or remove them and forget. Just a thought but I'm sure Jake would clarify.
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Old Oct 7, 2012 | 11:02 AM
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Ill have to go look again.
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Old Oct 7, 2012 | 01:50 PM
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After closer examination, mine had o-rings on them. Of course they were all crushed down and brittle. Got some new o-rings, hoping they work.
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Old Oct 7, 2012 | 02:35 PM
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Well after looking again the bolts do have recessed o-rings in the flange of the bolt.
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Old Oct 7, 2012 | 05:27 PM
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That's what happened to me and I damn near overlooked it. Glad you guys found them as I was advised to always replace them.
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