Folks - I never thought I'd do a "what's that noise" post, but here goes. My van started making a new noise. Its a steady droning, almost as loud as the motor, and it only occurs at 30 mph and higher. The noise appears to be independant of the engine and the transmission. Pushing in the clutch, coasting in neutral, and even coasting with the motor off do not have any effect on it. I'm hoping its tires or wheel bearings. However, the tires are about a year old Michelin LTX M/S with approx 3,000 miles, and they never made any noise previously. The van was treated to new CVs and wheel bearings about 500 miles ago, and the rear brakes were adjusted. I put it on stands and spun each of the wheels by hand, plus under drive. Didn't feel or hear anything unusual, just a light drag of the brake on each wheel. The tires also looked fine and true. The transmission, however, is original, with 210,000 miles and no service whatsoever except for some very infrequent oil changes. Any ideas what I'm hearing? It really sounds like a bearing going bad, but the fact that it happens when coasting makes me wonder. What bearings are involved with just the driveshafts turning? Thanks, Walter - 85 Vanagon 1.9 Manual Transmission |
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