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 549 (AUTOMATIC TRANSMISSION - CVT)GENERAL PROCEDURESTORQUE CONVERTER CONTAMINATION INSPECTION
2009 Mercury Milan Premier, 3.0 1, AWD
Torque Converter Contamination Inspection
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Torque Converter Contamination Inspection
WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
MATERIALS
| Item | Specification |
|---|---|
| Motorcraft Continuously Variable Chain Type Transmission Fluid XT-7-QCFT (US); CXT-7-LCF12 (Canada) | WSS-M2C933-A |
CAUTION:
- The continuously variable transaxle (CVT) transmission fluid used for this transaxle is unique. Do not use any type of fluid change or exchange machine on this transaxle. This transaxle is equipped with a thermal bypass valve in the cooling system, the bypass valve will not stay open, this will prevent the use of any type of a fluid exchange machine. The preferred method is to remove the pan drain plug.
- Do not use water-based cleaners or mineral spirits to clean or flush the torque converter or transmission damage will occur. Use only clean CVT transmission fluid.
- If a new torque converter is not being installed, the following steps must be completed.
- With the torque converter on a bench, pour a small amount of CVT transmission fluid from the torque converter onto an absorbent white tissue or through a paper filter and examine the CVT transmission fluid.
- Observe the color and odor of the fluid. The CVT transmission fluid should be green or dark green, not brown or black. Odor may indicate an overheating condition such as clutch disc failure.
- Examine the stain on the tissue for evidence of particles (spec of any kind). If particles are present in the fluid a new torque converter must be installed.
- If there are no particles or contamination present, drain the remainder of the transmission fluid from the torque converter.
NOTE:
The CVT transmission fluid is bluish-green when it is new. The CVT transmission fluid will darken from bluish-green to darker green or brown as it ages. If there is an internal concern with a mechanical component, there will be metallic residue in the pan. With other transmission fluids, the odor was an indicator of heat damage or other concerns. With CVT transmission fluid, the odor will not indicate heat damage or other concerns.
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.