GMC chevrolet camaro 2000 Service Manual page 423

4;.5 Propeller Shatt
Drivelinef Axle
Roughness or Vibratiqn (cont'd)
Step
Action
..
Value(s) Yes
No
..
13
Inspect the propeller shaft for lack of balance.
-
Is the propeller shaft unbalanced?
Go to Step .14 Go to Step 15
(
Inspect for the missing balance weight on the propeller
14
shaft. Rotate the shaft
180
degrees on the fixed. yoke.
-
Is there still roughness or vibration? Go to Step 15 System OK
Inspect the universal joint for incorrect angle placement.
.
.
15
-
Go to Step 17 Is the universal joint at an incorrect angle? Go tb Step 16
Correct the universl:l.1 joint angle.
.
.
16
-
Is there still roughness or vibration? Go to Step 17 ·System
OK
Inspect the yokes and
the
flanges for the following ,.
..
conditions:
17
• Damage
-
• Distortion
Are the yokes and/or the flanges damaged or distorted? Go to Step 18 Go toStep 19
18
Replace the yokes and/or the flanges.
-
Is there still roughness or vibration? Go to Step 19 System OK
Inspect the shaft for yokes that are out of phasEl.
.
19
Are the yokes out of phase on the shaft?
-
Go to Step20 Go to Step21
Replace the propeller shaft if the propeller shaft is a
one-piece shaft.
20
Reindex the propeller shaft ifthe propeller shaft is a
-
two-piece shaft.
Is there still roughness orvibration?
Go to Step21 System .OK
Inspect for driveline vibration during vehicle operation at a
"
21
speed of
80
km/h
(50
mph).
-
-
Is there driveline vibration at the specified speed?
.
Gq.to Step 22
(
Inspect the propeller shaft runout.
22
Inspect for missing balance weights on the propeller shaft.
- -
Is there driveline vibration at the specified speed?
..
System OK
Ping, Snap, or Click Noise
Step
.
Action
·"
Value(s) Yes
No
DEFINITION: A ping, a snap or a clicking noise in the driveline that is usually heard during initial load after the transmission
is in gear.
.
Inspect the rear axle lower control arm for loose
..
·
1
bolts/screws.
-
• Are there looseb61ts/screwsJn the lower control.arm? GotoStep2
Go to Step.3
Tighten the bolts/screws to the specified torque. Refer to
2
Rear Suspension in Suspension.
-
Is there still a ping, a snap or a clicking noise?
I
Go to Step3
System
OK
Inspect the universal joints for the following conditions:
.
3
• Wear
• Damage
-
Are any of the universal joints worn or damaged? Go to Step 4
Gb to Step 5
4
Replace the worn or damaged universal joint(s);
-
Is there still a ping, a snap or a clicking noise? . Go toStepB System OK
Inspect the fixed yoke in order to .determine if the fixed
5
yoke is loose.
- -
Is the fixed yoke loose? Go to Step 6
Tighten the drive pinion gear nut to the specified forque.
.. .
6
Refer to Fastener Tightening Specifications.
-
-
Is there still a ping, a snap or a clicking noise?
System OK
(