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 MANUALSMERCURY2010MARINER 2WD V6-3.0LREPAIR AND DIAGNOSISRESTRAINTS AND SAFETY SYSTEMSSEAT BELT SYSTEMSTESTING AND INSPECTIONINITIAL INSPECTION AND DIAGNOSTIC OVERVIEWINSPECTION AND VERIFICATION
2010 Mercury Mariner 2WD V6-3.0L
Inspection and Verification
2010 Mercury Mariner 2WD V6-3.0LSECTION Inspection and Verification
Safety Belt System
Inspection and Verification
1. Verify the customer concern by operating the active restraint system to duplicate the condition.
2. Inspect to determine if any of the following mechanical or electrical concerns apply:
Visual Inspection Chart
3. If the inspection reveals an obvious concern(s) that can be readily identified, service as required. With the exception of removing a twist from the safety belt webbing, do not attempt to repair a component of the safety belt system; new components must be installed.
4. If the concern remains after the inspection, determine the symptom. GO to Symptom Chart. Symptom Related Diagnostic Procedures
5. To check the active restraint system for correct operation, carry out the appropriate Functional Test procedure(s). Refer to Component Test. Component Tests and General Diagnostics
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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.