I have intermittent AM static on my '95 850 wagon. Other than that, AM reception is fine. Clues: 1) Vehicle-speed related, not engine-RPM related. 2) Present when coasting. 3) Goes away when I apply the brakes and then starts up again getting louder with time. I also note a reduction when the hand b...

Had an intermittent overdrive upshift problem with my '91 740. I diagnosed it as an intermittent connection in the OD solenoid using a test fixture I installed in the OD relay socket. Had Volvo dealer check it out and they verified it. However they made it perminant when tapping the solenoid with a ...