Leak At Front Slip Yoke - GMC chervolet camaro 1999 Service Manual

Drive line/ Axle
Propeller Shaft 4-5
Leak at Front Slip Yoke
Step
Action
Value(s)
Yes No
Important: An occasional drop of fluid from the slip yoke is normal.
1
Inspect the outside surface of the slip yoke for roughness.
-
Is the outside surface of the slip yoke rough?
Go to Step2
Go to Step3
2
Replace the yoke.
-
Is there still a leak at the front slip yoke?
Go to Step3
System OK
3
Inspect the seal for cuts caused by burrs on the slip yoke.
-
Are there cuts on the seal? Go to Step4 Go to Step5
4
Replace the seal.
-
Is there still a leak at the front slip yoke?
Go to Step5
System OK
5
Inspect the rear transmission oil seal for damage.
-
Is the rear transmission oil seal damaged? Go to Step 6
-
Replace the rear transmission oil seal. Add fluid if fluid is
6
needed.
-
-
Is there still a leak at the front slip yoke? System OK
Roughness or Vibration
Step Action
Value(s)
Yes No
Inspect the propeller shaft for the following conditions:
1
• Bending
-
• Damage
Is the propeller shaft bent or damaged? Go to Step2 Go to Step3
2
Replace the propeller shaft.
-
Is there still roughness or vibration? Go to Step3
System OK
3
Inspect for undercoating on the propeller shaft.
-
Is there undercoating on the propeller shaft? Go to Step4
Go to Step5
4
Remove the undercoating from the propeller shaft.
-
Is there still roughness or vibration? Go to Step5 System OK
Inspect the tires for the following conditions:
• Unbalance
5
• Vibration during vehicle operation at a speed of
-
48-80 km/h (30-50 mph)
Do the above conditions exist? Go to Step 6 Go to Step 7
6
Balance the tires.
-
Is there still roughness or vibration? Go to Step 7 System OK
7
Inspect the universal joints for tightness.
-
Are the universal joints tight? Go to Step 8 Go to Step9
If the universal joints are equipped with snap rings, tap on
the yokes with a hammer in order to free up the universal
8
joints.
-
If the joints cannot be freed up or if the joints feel rough,
replace the joints.
Is there still roughness or vibration? Go to Step9
System OK
9
Inspect the universal joints for wear.
-
Are any of the universal joints worn?
Go to Step 10
Go to Step 11
10
Replace the worn universal joint(s).
-
Is there still roughness or vibration? Go to Step 11
System OK
Inspect the fixed yoke for bending and inspect the flange
11
for excessive runout.
-
Does either of the above conditions exist?
Go to Step 12
Go to Step 13
12
Replace the fixed yoke.
-
Is there still roughness or vibration? Go to Step 13 System OK