GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the radio/audio system check?

--

Go to Step 2

Go to Radio/Audio System Check

2

Clean all moving parts and the tape head or use a cleaning cassette.

Does the tape play OK?

--

Go to Radio/Audio System Check

Go to Step 3

3

Perform a motor speed test with diagnostic test tape from J 39916 as described in Audio Systems.

Is the motor speed OK?

--

Go to Step 4

Go to Step 5

4

The fault is with the tape.

Verify proper operation of cassette player with known good GM cassette tape tester J 39916.

Is the repair complete?

--

Go to Radio/Audio System Check

--

5

Service radio. Refer to Radio Replacement

Is the repair complete?

--

Go to Radio/Audio System Check

--