jfa.series1 Posted July 28, 2016 Share #1 Posted July 28, 2016 ...Goes Unpunished! A few weeks ago I swapped out the transmission fluid for the magic elixir ACDelco Friction Modified stuff. And it seems the transmission is shifting more smoothly. I guess that stuff is really slippery as I've now developed a fluid leak at the speedometer cable right where the black housing is fitted into the pressed collar. I guess a new speedometer cable is called for, right? Is it normal for this connection to have transmission fluid present or is there some other seal I should also be replacing? Thanks, Jim Link to comment Share on other sites More sharing options...
SteveJ Posted July 28, 2016 Share #2 Posted July 28, 2016 I'm betting your answer will be in here: https://www.google.com/search?q=speedometer+cable+seal+site%3Aclassiczcars.com&ie=utf-8&oe=utf-8 From last month: 2 Link to comment Share on other sites More sharing options...
siteunseen Posted July 28, 2016 Share #3 Posted July 28, 2016 I replaced that dime sized oil seal in mine about a month ago. Not one drop so far. A few dollars from Nissan. 1 Link to comment Share on other sites More sharing options...
siteunseen Posted July 28, 2016 Share #4 Posted July 28, 2016 that's the thread with the info Steve posted above. I had to go back and read through it. Steve is the Man! Boy, when it rains it pours. Seems like everybody's crapped out around the same time. Link to comment Share on other sites More sharing options...
jfa.series1 Posted July 29, 2016 Author Share #5 Posted July 29, 2016 Steve and Cliff - thanks for the help. I'll get into the pinion gear today. Jim Link to comment Share on other sites More sharing options...
siteunseen Posted July 29, 2016 Share #6 Posted July 29, 2016 I used a deep socket to press mine down. They have to fit down on a ridge in the pinion gear housing. Something you may have to do to get all the old one out is to use a needle type pick and scrape inside that ridge. I had to find my cheapo magnifying glass to see down in there. 1 Link to comment Share on other sites More sharing options...
jfa.series1 Posted July 30, 2016 Author Share #7 Posted July 30, 2016 (edited) All done, Cliff's newspaper leak check is in progress. Courtesy (10 min. from my house) had the parts in stock. Check out the list price on that shaft seal . The young parts desk guy was funny - "Uh oh, my system doesn't go that far back." Me: "That's why you need David or Butch." Parts guy: "Yeah, let me get this info to Butch in the back". Heaven help us all if Butch and David don't train these new guys on how to look up parts in the old catalog. Cliff - your extract and install tips were spot on! My machinist's scribe has a right-angle point and was perfect for pulling out the old seal. A long 11mm socket was the perfect install tool. A bit of anti-seize allowed everything to slip right into place. Thanks again to you both for great assistance. Jim Edited July 30, 2016 by jfa.series1 1 Link to comment Share on other sites More sharing options...
Diseazd Posted July 30, 2016 Share #8 Posted July 30, 2016 On July 28, 2016 at 5:32 PM, siteunseen said: that's the thread with the info Steve posted above. I had to go back and read through it. Steve is the Man! Boy, when it rains it pours. Seems like everybody's crapped out around the same time. Yep....My 280ZX 5 speed speedo cog gear in the 73 is leaking too. Just received the two seals from Motorsports......appreciate all the info Link to comment Share on other sites More sharing options...
siteunseen Posted July 30, 2016 Share #9 Posted July 30, 2016 It makes my day when I receive that sort of compliment, I actually provided pertinent information. Thank you Jim, we can have fun here in the States next week during ZCON. Also a big THANK YOU to @Chickenman, he's the one that popped out the part number right off the bat. Link to comment Share on other sites More sharing options...
Diseazd Posted August 1, 2016 Share #10 Posted August 1, 2016 Just replaced the seal and O ring in the speedo gear. No leak so far. BTW.....that little inside seal has a direction to be installed. If you look closely, the lips of the inner seal need to be facing into the transmission.....just like any other seal. Link to comment Share on other sites More sharing options...
siteunseen Posted August 2, 2016 Share #11 Posted August 2, 2016 What results do you guys have? No leaks I hope. Jim A. most of my 240 parts come from Irving, TX. I know that's a distribution center, is that how Courtesy keeps their inventory so straight? Is Richardson close to Irving? Link to comment Share on other sites More sharing options...
Diseazd Posted August 2, 2016 Share #12 Posted August 2, 2016 ........not a drop! 1 Link to comment Share on other sites More sharing options...
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