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 275 (HVAC CONTROL SYSTEM)REMOVAL AND INSTALLATIONBLOWER MOTOR SPEED CONTROLREMOVAL AND INSTALLATION

2010 Mercury Mariner Hybrid, AWD

Removal and Installation

2010 Mercury Mariner Hybrid, AWDSECTION Removal and Installation

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

Drain the engine coolant. For additional information, refer to ENGINE COOLING .
Remove the nuts and position the vapor management valve (VMV) aside.

Fig 1: Removing Vapor Management Valve
Courtesy of FORD MOTOR CO.
Release the clamps and disconnect the heater hoses from the heater core.

Fig 2: Disconnecting Heater Hoses
Courtesy of FORD MOTOR CO.
Release the clamp and remove the heater hose.

Fig 3: Removing Clamp And Heater Hose
Courtesy of FORD MOTOR CO.
Remove the blower motor speed control.
1. Disconnect the blower motor speed control electrical connector.
2. Remove the 2 blower motor speed control screws.
3. Remove the blower motor speed control.
  
  Fig 4: Removing Blower Motor Speed Control
  Courtesy of FORD MOTOR CO.
To install, reverse the removal procedure.

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.