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3

A good research clue would be "OSPAR compliant stern tube lubricant" I found also that Klüber has a good range for marine products.


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In a word: NO By the time there is looseness or roughness the damage is already done. The only thing left is eventual failure of the joint. As long as you are prepared to deal with that happening at the most inconvenient time (think late at night, it's raining, you're running late, etc.) then by all means, grease it and keep driving. If that's not OK with ...


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My 4x4 had 4 of those uj's and I used to grease them weekly and always after they were immersed in water. They lasted a lot longer than if I practiced "fit & Forget"... However, I was also skilled at using the tow bar and a hydraulic jack for changing them. Any roughness then replace is my advice.


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[Ultra Lube Biobased Grease] https://www.amazon.com/dp/B002BVY9MG/ref=cm_sw_r_cp_apa_fabc_hJ81FbHJ4DNPR! It says it's good for metal to metal, rotating shafts, etc.


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This is a difficult question as many greases affect plastics. A silicone grease, most likely to be compatible with plastics, won't provide enough lubrication for the metal gears. In your case I'd try to source some ptfe grease, specified for metal/plastic applications. It is important to disassemble the gear and painstakingly clean the gear from debris or ...


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