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3T84HLE Top Overhaul Complete but Water Pump Is Leaking
I'm pleased to report that with over two hours of time on the engine, the water pump plug is not leaking. I used this stuff: <s></s>https://www.amazon.com/gp/product/B071V7HHPF<e></e> It's a lot thicker than the cheap white stuff from Harbor Freight and I wrapped several wraps around the plug's... -
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3T84HLE Top Overhaul Complete but Water Pump Is Leaking
The water pump was the only part I needed that is no longer available from Yanmar or my Takeuchi dealer so I had to risk a Chinese aftermarket replacement from Mottrol International Inc. / Yuan Lin Precision Machinery Company. It figures that it's the only thing that isn't working right after my... -
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Head Re-Torque Technique (3T84HLE)
I have about 1-1/4 hours on my engine since top overhaul now. I ran it for about 15 minutes on initial startup--about 5 minutes at idle and then gradually bringing the RPM up to a high idle to get the temps into the green range. Then I shut it down, let it cool overnight and checked the head... -
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3T84HLE Top Overhaul Complete but Water Pump Is Leaking
<QUOTE author="winston" post_id="41742" time="1697570630" user_id="34251"><s> /e></QUOTE> Ahh--I'd forgotten about that stuff. Thanks for reminding me! Another product that crossed my mind is two-part epoxy putty but it might be a little marginal at coolant temperatures, which can exceed 212F /... -
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Cyl Head "Main bolt and nut" vs. "Stud bolt" Torque?
I finished my top overhaul (new big end bearings, sleeves, pistons, wrist pins, on up) and started the engine. I let it idle for a few minutes and then brought the throttle up to a fast idle to get the coolant temp up into the green, as advised in the service manual. I probably ran it for about... -
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Cyl Head "Main bolt and nut" vs. "Stud bolt" Torque?
I'm trying to finish a top end overhaul on the 3T84HLE in my mini-ex but I ran into a snag tonight. The service manual "Cylinder head clamping bolt" spec is: Main bolt and nut M12 94-101.3 ft-lb Sub. bolt M8 18.1-21.7 ft-lb Stud bolt M12 36.2-40... -
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Cyl Head "Main bolt and nut" vs. "Stud bolt" Torque?
Engine is assembled. Took my best guess on the cylinder bolt and stud head torques. Bad weather is coming and I couldn't wait for a mod to bless my newbies post. Hope I made the right guess.
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