2-9, FRONT AXLE TROUBLESHOOTING (CONT)
TEST OR INSPECTION
3. DIFFERENTIAL CARRIER ASSEMBLY OVERHEATING.
Remove differential assembly (page 3-362).
Disassemble differential assembly (page 4-218).
Check for damaged or worn parts.
a. If parts are worn or damaged, replace.
b. If parts are okay, disassemble differential case and gear assem-
bly (page 4-234). Check for damaged or worn parts. Replace worn
or damaged parts as necessary.
4. LUBRICANT LEAKING FROM DIFFERENTIAL ASSEMBLY.
Step 1. Check if lubricant is leaking from between differential assembly and
a. If lubricant is leaking from between differential assembly and
axle housing, tighten 14 nuts securing differential assembly to
110 to 165 lb-ft.
b. If tightening nuts does no good, remove differential assembly
Scrape gasket residue from front axle housing and differential
assembly mating surfaces using putty knife.
Dry cleaning solvent P-D-680 used to clean parts is toxic and flammable.
Wear protective goggles and gloves and use only in a well ventilated
area. Avoid contact with skin, eyes and clothes and don't breathe
vapors. Do not use near open flame or excessive heat and dont smoke
when using it. Failure to do so could cause serious injury. If you be-
come dizzy while using cleaning solvent, get fresh air and medical
attention immediately. If contact with skin or clothes is made, flush
with large amounts of water. If contact with eyes is made, wash eyes
with water and get medical aid immediately.
Clean mating surfaces using clean cloth and cleaning solvent
Inspect differential bore in axle housing for cracks, nicks, and
burrs at machined surface. If cracked, replace axle (page
3-358). Remove nicks and burrs using soft stone.
Apply bead of air-drying adhesive (Appendix C, item 34) to dif-
ferential assembly and its bore in front axle housing.
Install differential assembly (page 3-364).