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 900 (AUTOMATIC TRANSMISSION - CD4E)DISASSEMBLY AND ASSEMBLY OF SUBASSEMBLIESPUMP ASSEMBLYASSEMBLY

2010 Mercury Mariner Hybrid, AWD

Pump Assembly: Assembly

2010 Mercury Mariner Hybrid, AWDSECTION Assembly

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The identification dot on the pump driven gear must face downward.

Install the pump driven gear.

Fig 1: Pump Driven Gear

Courtesy of FORD MOTOR CO.

Install the pump drive gear assembly.
1. Install the pump drive gear.
2. Install the pump drive gear insert.

Fig 2: Pump Drive Gear & Insert

Courtesy of FORD MOTOR CO.

Using the special tool, measure the clearance between each gear and the pump body face.
- If the clearance exceeds specification, install a new pump assembly.

Fig 3: Checking Pump Body Face Clearance (With Specifications)

Courtesy of FORD MOTOR CO.

Install the special tool.

Fig 4: Special Tool

Courtesy of FORD MOTOR CO.

Align the pump support assembly. Fill the pump gear cavity with clean automatic transmission fluid to the top of the gears. Align the pump guide screws.
1. Install the pump body.
2. Install the pump body separator plate.
3. Install the pump body separator plate gasket onto the pump body.
4. Install the pump support.

Fig 5: Pump Body, Separator Plate, Gasket & Support

Courtesy of FORD MOTOR CO.

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.