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 MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1034 (ENGINE)INSTALLATIONVALVE SPRING, RETAINER AND SEAL

2009 Mercury Milan Premier, 3.0 1, AWD

Valve Spring, Retainer and Seal

2009 Mercury Milan Premier, 3.0 1, AWDSECTION Valve Spring, Retainer and Seal

WARNING: This page is about a different car, the 2008 Lincoln MKZ. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

Illustration	Tool Name	Tool Number
Courtesy of FORD MOTOR CO.	Compressor, Valve Spring	303-300 (T87C-6565-A)
Courtesy of FORD MOTOR CO.	Compressor, Valve Spring	303-350 (T89P-6565-A)
Courtesy of FORD MOTOR CO.	Compressor, Valve Spring	303-1249
Courtesy of FORD MOTOR CO.	Installer, Valve Stem Oil Seal	303-470 (T94P-6510-CH)

Material

Item	Specification
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalent	WSS-M2C930-A

NOTE: Lubricate the valve stem seal with clean engine oil prior to installation.

Using the Valve Stem Oil Seal Installer, install a new valve stem seal.

Fig 1: Installing New Valve Stem Seal Using Special Tool (303-470)

Courtesy of FORD MOTOR CO.

Using the Valve Spring Compressors, install the valve spring, retainer and key.

Fig 2: Removing Keys, Retainer & Spring Using Special Tools (303-1249, 303-350, 303-300)

Courtesy of FORD MOTOR CO.

Install the valve tappets. For additional information, refer to Valve Tappets .

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.