ro23dart Posted May 28, 2017 Report Share Posted May 28, 2017 I have a 41 plymouth and am having problems replacing the grease fittings. I cant find any that will screw all the way in. I have some that will go part of the way and tighten down but i dont know if that is good enough. Question is, do i have to get a special fitting or just deal with them sticking out a bit? I am trying to use 3/8 NPT fittings by the way. Quote Link to comment Share on other sites More sharing options...
DJ194950 Posted May 28, 2017 Report Share Posted May 28, 2017 My opinion- If they go in straight two plus turns and tighten and do not leak grease when they are lubed- you are good to go. They never (almost) tighten down to a flush fit. If one does I would be suspicious of if leaking grease out when lubed. DJ 1 Quote Link to comment Share on other sites More sharing options...
Dave72dt Posted May 29, 2017 Report Share Posted May 29, 2017 More likely 1/8 " pipe fittings, 3/8" wrench. if so, those are a tapered thread and should not bottom out. !/4 by 28 fittings will go to the ends of the threads and /or will bottom out against the hex part. of the fitting. Quote Link to comment Share on other sites More sharing options...
ro23dart Posted May 29, 2017 Author Report Share Posted May 29, 2017 Cool! Thanks for the help, i figured i wasn't the first to run into this and wanted to check before i proceeded. Quote Link to comment Share on other sites More sharing options...
Pablito Posted January 13, 2021 Report Share Posted January 13, 2021 Speaking of grease... I was wondering if after 25 years since my last grease job, has the grease gotten so bad or hard that I need to tear everything apart or can I just cram more grease into the fittings? I don’t want to drive far in case of extreme wear potential. Also: I wonder if “modern” grease (one type for all fittings) is ok to use? Service Manuel has many varieties (of weight?) of grease mentioned for different grease points. I just want to move forward and not cause damage? Paul Quote Link to comment Share on other sites More sharing options...
ptwothree Posted February 8, 2021 Report Share Posted February 8, 2021 Check the rubber boots first. If cracked, mine were, replace and while they are off, run some grease thru the joint....or replace the joint, tie rod ends comes to mind, and you should be good to go. Quote Link to comment Share on other sites More sharing options...
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