GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Chevrolet C-Series Medium Duty Truck B7 🢒 Driveline/Axle 🢒 Propeller Shaft 🢒 Ping, Snap, or Click Noise

Step

Action

Yes

No

1

Inspect the upper control arm bushing bolts at the rear axle.

Are the bolts loose?

Go to Step 2

Go to Step 3

2

Tighten the bolts to specification. Refer to Fastener Tightening Specifications .

Is the ping, snap or click noise still evident?

Go to Step 3

System OK

3

Inspect the lower control arm bushing bolts at the rear axle.

Are the bolts loose?

Go to Step 4

Go to Step 5

4

Tighten the bolts to specification. Refer to Fastener Tightening Specifications .

Is the ping, snap or click noise still evident?

Go to Step 5

System OK

5

Inspect the companion flange.

Is the companion flange loose?

Go to Step 6

--

6
  1. Remove the companion flange.
  2. Turn the companion flange 180 degrees from the original position.
  3. Lubricate the splines. Refer to Fluid and Lubricant Recommendations .
  4. Install the companion flange.
  5. Tighten the pinion to the specified torque. Refer to Fastener Tightening Specifications .

Is the ping, snap or click noise still evident?

Go to Step 1

System OK