October 1, 200619 yr Greetings all, Anyone out there ever replaced the front transmission seal in an old style, 1979 4 speed? How much trouble was it? Thanks, Ski
October 1, 200619 yr Author The mainshaft seal. I've never had to replace one before. This will be the second engine rebuild for this wagon, so its got a few miles on it. and the trans is leaking ( I'M TALKING ABOUT BIBLICAL PROPORTIONS) from behind the throwout bearing. Clymer shows installing the seal with the mainshaft during final assembly. I believe I would buy good a used trans before I dissassemble this one to replace a seal!
October 1, 200619 yr Well, I would consider a replacement. You have to pull the trans to do the seal anyway. It's a job to split the case. Not impossible, but certainly not fun. Why not upgrade to a 5 speed? You just have to replace some of the shifter linkage. ....pretty easy. I'm sure other will chime in here. Todd
October 2, 200619 yr Author Well, I would consider a replacement. You have to pull the trans to do the seal anyway. It's a job to split the case. Not impossible, but certainly not fun. Why not upgrade to a 5 speed? You just have to replace some of the shifter linkage. ....pretty easy. I'm sure other will chime in here. Todd 5 speed 4wd hooked to an ea71, is the fifth gear overdrive or 1-1?
October 3, 200619 yr I was going to ask but it seems you answered.....yours is 4WD already,right? I'm pretty sure Todd meant that if you have the old four speed FWD tranny that an upgrade would be the 5spd FWD from a GL,or Coupe,etc.
October 4, 200619 yr Yeah,for 4WD unfortunately that's a case splitter if it's the main shaft seal.Looking at the manual makes me want to rip one apart.Sooner or later I'll be needing mine done too. I'm pretty sure you can search for an '80 1600 4WD too,if you search online.Just have to make sure it's the top starter.
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