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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1021 (Vibration Symptoms Diagnosis And Correction) >> Diagnostic Information and Procedures >> Vibration Diagnostic Aids - Vibration Duplicated, Difficult to Isolate/Balance Component >> Difficult to System Balance the Driveline

Difficult to System Balance the Driveline

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

If after following the Vibration Analysis - Driveline table you were instructed to system balance the driveline and you experienced difficulty in doing so while CAREFULLY following the procedures indicated (the EVA strobe readings seem to keep changing), then the axle differential to which the propeller shaft is attached should be suspected to have internal problems which are being transmitted to the propeller shaft. Refer to Diagnostic Starting Point - Front Drive Axle in Front Drive Axle, or to Diagnostic Starting Point - Rear Drive Axle in Rear Drive Axle, for internal axle diagnostics.

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