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.
2007 Chevrolet Uplander V6-3.9LFACTORY OEM SERVICE PROCEDURE
Data Link Connector: Service and Repair
Data Link Connector Replacement
Removal Procedure
1. Remove the bolts/screws from the data link connector (DLC).
2. Remove the lower DLC.
Installation Procedure
1. Place the DLC into position.
Notice: refer to Fastener Notice.
2. Install the bolts/screws to the DLC.
Tighten the bolts/screws to 2 N.m (18 lb in).
Factory Service Tools
Use the Manual With the Right Hardware
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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.