YO,
DANA 44 Rebuild in a 78-79
Source: by OX1 (OX, Jim, James O) at
http://www.webring.org/l/rd?ring=bigbroncos;id=12;url=http%3A%2F%2Fwebspace.webring.com%2Fpeople%2Feu%2Fum_9505%2Fdana_44_rebuild.htm
Jim has written Many 78-79 Bronco articles over the years
"
excerpts; "... 17. AXLE SEALS ARE LOCATED TO THE LEFT AND RIGHT OF WHERE THE DIFFERENTIAL BEARING RACES WERE. THESE CAN BE PRIED OUT WITH A BIG SCREWDRIVER. ENSURE ***** DRIVER DOES NOT DAMAGE MACHINED SURFACE THAT DIFFERENTIAL BEARING RACES FIT INTO. SEALS MAY NEED A DECENT AMOUNT OF FORCE TO PRY OUT. SEAL IS TWO PARTS, THE SEAL AND A METAL GUIDE THAT GUIDES AXLE SHAFT THROUGH SEAL. BOTH PARTS MUST COME OUT.
18. ENSURE ALL DIRT/GUNK THAT HAS FALLEN INTO DIFF FROM PULLING OUT SEALS IS CLEANED. WIPE OUT INSIDE OF AXLE TUBE WHERE SEAL IS TO BE RE-INSTALLED.
19. NEW SEAL MAY BE DIFFERENT LOOKING THAN OLD SEAL. ACTUAL SEAL (RUBBER) PART MAY BE SMALLER THAN WHAT YOU HAVE REMOVED. COAT OUTSIDE OF SEAL ASSEMBLY (METAL PART) WITH A THIN COVERING OF GASKET MAKER. USING APPROPRIATE SIZE SOCKET (APPROX 2.25 OD), FORCE SEAL INTO HOUSING UNTIL IT IS FLUSH WITH END OF AXLE TUBE. WIPE ANY EXCESS GASKET MAKER.
27. INSPECT AXLE SHAFT U-JOINTS AND SEALS. SPICER SOLID, NON-GREASABLE U-JOINTS ARE SUPPOSED TO BE THE STRONGEST. MARINE GREASE IS INSTALLED TO SUPPOSEDLY KEEP OUT WATER. I AM INSTALLING THESE NOW AND WILL UPDATE LATER ON HOW THEY WORK. THE TWO SEALS ON OUTER PART OF EACH AXLE SHAFT ARE PART OF SPICER KIT # xx-xxxxx
28. REINSTALL AXLES. BE VERY CAREFUL WHEN SHAFT IS ALMOST IN. GREASE SEALS YOU REPLACED INSIDE AXLE TUBES CAN BE DAMAGED EASILY. SUPPORT AXLE SHAFT SO THAT THE INSIDE END STAYS INTHE CENTER OF AXLE TUBE. OIL CAN BE APPLIED TO END OF SHAFT TO FACILITATE ENTRY (SOUNDS *****)!!
29 INSPECT HUB SEAL AND SMALL INTERNAL NEEDLE BEARING FOR WEAR. THIS SEAL AND BEARING ARE PART OF ABOVE MENTIONED KIT. SEAL COMES RIGHT OUT, BUT NEEDLE BEARING WILL HAVE TO BE PRIED OUT WITH ***** DRIVER. IT WILL BE NECESSARY TO DESTROY BEARING TO GET IT OUT.
30. INSTALL AXLE FLANGES AND CALIPER BRACKETS ON KNUCKLES. TORQUE 5 NUTS TO SPECIFICATION.
31. GREASE BEARINGS, INSTALL INNER BEARING AND INSTALL GREASE SEAL. GREASE SEAL CAN BE LIGHTLY TAPPED IN WITH HAMMER. I USE MARINE/4WD GREASE. SOME MARINE GREASE IS MADE FROM A DIFFERENT BASE THAN MOST GREASES AND CAN NOT BE MIXED. IF YOU USE THIS GREASE, MAKE SURE ALL OLD GREASE IS REMOVED FROM ALL BEARINGS/SURFACES..."
Parts Break-Out Diagram in 78-79 w/Nomenclature
Source: by Ford via
http://web.archive.org/web/20111117131734/http://www.broncocity.com/78_79_techpages/78_79_dana44.htm
SEE Upper Left for Spindle Bearing & Seal
Bill of Material (BoM) Number, Date & Model Number Location Diagram
Source:
http://web.archive.org/web/20041209123849/http://completeoffroad.com/images/tech/DANA-ID.jpg
With BoM number see Dana for more info;
http://www2.dana.com/expertforms/deabill.aspx