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 HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 409 (BODY PANEL SYSTEM - BODY SYSTEM - GENERAL INFORMATION)DIAGNOSIS AND TESTINGBODY SYSTEMSYMPTOM CHART

2010 Mercury Mariner Hybrid, AWD

Symptom Chart

2010 Mercury Mariner Hybrid, AWDSECTION Symptom Chart

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
Dust and water leaks	Body sealer missing. Opening in welding or body joints. Component not fully installed. Components missing. Components damaged.	REMOVE the trim. CHECK for leaks and SEAL with the appropriate sealer. ROAD TEST or WATER TEST for leaks. RECHECK the trim for leaks; USE a light under the vehicle with the trim removed. CHECK the interior of the body at the joints and weld lines.
Dust/water leaks at the floor pan and grommets	Missing or damaged plugs and/or grommets.	CHECK the plugs for correct installation. INSTALL new plugs if necessary.
Door drain holes collecting water	Holes clogged with mud or road tar.	CLEAN the drain holes of dirt and foreign material with a punch or screwdriver. CHECK the drain holes regularly.
Wind noise	Lower corner of window.	REMOVE the door trim. RESEAT the inner belt to the corner. SEAL the leaks with sealant.
	Loose or misaligned weatherstrip.	ATTACH the weatherstrip correctly. INSTALL new pin-type retainers if damaged. USE the weatherstrip adhesive as necessary.
	Poor door fit.	ADJUST the striker or hinges as necessary. CHECK for acceptable door efforts after the repair.
	Door handle whistle.	REMOVE the door handle and INSTALL the door handle correctly. If the whistle persists, INSTALL a new door handle.
Rattles	Loose wires/cables in doors.	MAKE SURE all wires/cables are correctly routed and inserted in the correct clips.
	Loose objects in door wells, pillars and quarter panels.	CHECK the doors by carefully striking the underside of the door with a rubber mallet. LISTEN for loose objects in the door. REPAIR the door or REMOVE the loose objects as necessary. TIGHTEN the body bolts and screws.
	Buzz from components of instrument panel.	IDENTIFY which components of the instrument panel are buzzing. ADD a dampening material between the 2 surfaces to eliminate the buzz.

RENDER: 1.0x

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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.