chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Odometer/Speedometer - ACDelco Service Center Locations|Page 6940 > < Odometer/Speedometer - ACDelco Service Center Locations|Page 6938
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DIAGNOSTIC TIPS

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EXAMINE THE WIRES COMING FROM THE VEHICLE SPEED SENSOR (VSS) MOUNTED ON THE TRANSMISSION. IF THESE TWO
WIRES ARE CHAFED OR BROKEN, AN INTERMITTENT OR INOPERATIVE SPEEDOMETER/ODOMETER COULD RESULT. REPAIR
THE WIRES USING THE PROCEDURE SHOWN IN SECTION 8A OF THE SERVICE MANUAL.

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THE ATTACHED CHART LISTS THE MOST RECENT MEM-CAL (PROM) PART NUMBERS FOR THE VARIOUS 1987-89 BUILD
COMBINATIONS. THIS MAY BE USED AS A REFERENCE FOR CUSTOMER COMMENTS OF INACCURATE OR ERRATIC
SPEEDOMETER/ODOMETER. OPERATION.

Odometer/Speedometer - ACDelco Service Center Locations|Page 6940 > < Odometer/Speedometer - ACDelco Service Center Locations|Page 6938