mexicanjoe
Full Access Member
Guys, I have my '89 with a ZF-5 with a strange problem. Every so often ( with out warning) I hear a whirring noise from underneath the vehicle. It happens in either 4th or 5th gear and at 1000 to 1600 rpms. Depressing the clutch doesnt seem to affect the noise level much and without warning it stops and starts. I replaced the center carrier bearing thinking it was toast, but it didnt really affect it. The truck runs and accelerates good, I'd like to know what is going on. Any ideas????