3-15. PROPELLER SHAFTS TROUBLESHOOTING (CONT)
TEST OR INSPECTION
2. EXCESSIVE DRIVE SHAFT VIBRATION (Cont).
S t e p 3 . ( C o n t ).
a. If mounting hardware is loose, tighten (page 6-42).
b. If mounting hardware is tight, go to step 4 below.
Check universal joints for wear or damage by checking movement be-
tween universal joint and drive shaft .
a. If movement is seen between universal joints and drive shaft,
replace universal joints (page 6-34, 6-41, or 6-45).
b. If movement is not seen, go to step 5 below.
Check transmission and differential yokes for loose mountings.
Tighten loose mountings (page 6-37, 6-42, or 6-46).