GM Service Manual Online
For 1990-2009 cars only

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.

1

Inspect the rear axle lower control arm for loose bolts/screws.

Are there loose bolts/screws in the lower control arm?

--

Go to Step 2

Go to Step 3

2

Tighten the bolts/screws to the specified torque. Refer to Rear Suspension in Suspension.

Is there still a ping, a snap or a clicking noise?

--

Go to Step 3

System OK

3

Inspect the universal joints for the following conditions:

    • Wear
    • Damage

Are any of the universal joints worn or damaged?

--

Go to Step 4

Go to Step 5

4

Replace the worn or damaged universal joint(s).

Is there still a ping, a snap or a clicking noise?

--

Go to Step 5

System OK

5

Inspect the fixed yoke in order to determine if the fixed yoke is loose.

Is the fixed yoke loose?

--

Go to Step 6

--

6

Tighten the drive pinion gear nut to the specified torque. Refer to Fastener Tightening Specifications .

Is there still a ping, a snap or a clicking noise?

--

--

System OK