| Malfunction (Symptoms) |
Probable Causes |
Corrective Action (Remedies) |
|
|
| Vibration in propeller shaft |
Defective bearings in spider bearing assembly |
Replace assembly |
|
|
|
Loose bolts attaching aft spider / bearing assembly to coupling on transmission parking brake drum |
"Remove bolts |
replace lockwashers (4) then re-install bolts and tighten" |
|
|
|
Loose bolts attaching differential input yoke to forward spider / bearing of propeller shaft |
"Remove bolts |
wipe dry |
reinstall |
and tighten." |
|
|
|
Foreign matter in shaft |
Clean |
|
|
|
"Transmission forward mounts failing |
causing misalignment" |
Replace defective mounts |
|
|
|
Parking brake drum out of balance |
Balance or replace drum |
|
|
|
Loose bolts attaching inboard and / or outboard spider / bearing ends of differenential-to-axle propeller shaft yokes. |
"Remove bolts |
clean |
reinstall and tighten." |
|
|
| Excessive noise emitting from propeller shafts |
Improper lubrication of spider / bearings |
Lubricate |
|
|
|
Inboard bearings on axle shaft in spindle defective |
Replace. |
|
|
