Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET1990LUMINA APV V6-191 3.1LREPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSODOMETER/SPEEDOMETER - ACDELCO SERVICE CENTER LOCATIONS
1990 Chevrolet Lumina APV V6-191 3.1L
Odometer/Speedometer - ACDelco Service Center Locations
1990 Chevrolet Lumina APV V6-191 3.1LSECTION Odometer/Speedometer - ACDelco Service Center Locations
File In Section: 8 - Chassis/Body Electrical
Bulletin No.: 66-83-04A
Date: September, 1996
INFORMATION
Subject:
AC Delco Service Center Locations for Odometer/Speedometer Service
Models:
1997 and Prior Passenger Cars and Trucks
(excluding Cadillac)
This bulletin is being revised to provide the necessary contact information only. Please discard Corporate Bulletin Number 66-83-04 (Section 8 - Chassis/Body Electrical)
General Motors provides service for sophisticated electronic products through the authorized AC Delco Service Center Program. This program is designed to provide GM vehicle owners with the highest quality and most technically up-to-date product available. Repair products from unauthorized service outlets are not acceptable as warranty replacements.
Currently, there are 25 authorized AC Delco Service Centers who exchange and remanufacture odometer/speedometers (list included). Only these Centers should be contacted for service.
Important:
W series and 1997 T series Medium Duty truck odometer/speedometers must be ordered directly from GMSPO.
The following steps should be taken when utilizing the AC Delco Service Centers: Dealers should contact their local AC Delco Service Center (list included). Any listed facility may be used.
The following information must be provided:
Part number
VIN, Mileage, Vehicle Year, Make and Model
Dealer Name and Address
Delivery Date of Vehicle
Name of the person requesting exchange or service
Phone number
Repair Order Number
P.O. number (if non - warranty)



AC Delco Service Centers
Bulletin No.: 66-83-04A
Date: September, 1996
INFORMATION
Subject:
AC Delco Service Center Locations for Odometer/Speedometer Service
Models:
1997 and Prior Passenger Cars and Trucks
(excluding Cadillac)
This bulletin is being revised to provide the necessary contact information only. Please discard Corporate Bulletin Number 66-83-04 (Section 8 - Chassis/Body Electrical)
General Motors provides service for sophisticated electronic products through the authorized AC Delco Service Center Program. This program is designed to provide GM vehicle owners with the highest quality and most technically up-to-date product available. Repair products from unauthorized service outlets are not acceptable as warranty replacements.
Currently, there are 25 authorized AC Delco Service Centers who exchange and remanufacture odometer/speedometers (list included). Only these Centers should be contacted for service.
Important:
W series and 1997 T series Medium Duty truck odometer/speedometers must be ordered directly from GMSPO.
The following steps should be taken when utilizing the AC Delco Service Centers: Dealers should contact their local AC Delco Service Center (list included). Any listed facility may be used.
The following information must be provided:
Part number
VIN, Mileage, Vehicle Year, Make and Model
Dealer Name and Address
Delivery Date of Vehicle
Name of the person requesting exchange or service
Phone number
Repair Order Number
P.O. number (if non - warranty)
AC Delco Service Centers
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.