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.
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HOMESERVICE MANUALSCHEVROLET1997ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULETECHNICAL SERVICE BULLETINSENGINE CONTROLS - REVISED VCM CONNECTOR C3 TABLE ARTWORK
1997 Chevrolet Astro Van 2WD V6-4.3L VIN W
Engine Controls - Revised VCM Connector C3 Table Artwork
1997 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Engine Controls - Revised VCM Connector C3 Table Artwork
File In Section: 8 - Chassis/Body Electrical
Bulletin No.: 86-81-11A
Date: September, 1998
SERVICE MANUAL UPDATE
Subject:
Section 8A-202 - Harness Connector Faces - Revised VCM Connector C3 Table
Models:
1997 Chevrolet and GMC M/L Models
This bulletin is being revised to correct the artwork. Please discard Corporate Bulletin Number 86-81-11 (Section 8 - Chassis/Body Electrical).
This bulletin revises the VCM Connector C3 Table on Page 8A-202-27 of the 1997 MIL Service Manual.
Bulletin No.: 86-81-11A
Date: September, 1998
SERVICE MANUAL UPDATE
Subject:
Section 8A-202 - Harness Connector Faces - Revised VCM Connector C3 Table
Models:
1997 Chevrolet and GMC M/L Models
This bulletin is being revised to correct the artwork. Please discard Corporate Bulletin Number 86-81-11 (Section 8 - Chassis/Body Electrical).
This bulletin revises the VCM Connector C3 Table on Page 8A-202-27 of the 1997 MIL Service Manual.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.