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| AWD – DRIVELINE VIBRATION – HOWL NOISE AT HIGHWAY SPEEDS IN COLD TEMPERATURES – BUILT ON OR BEFORE 8/13/2010 |
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2007-2011 Fusion, Milan and MKZ vehicles equipped with all-wheel-drive (AWD) systems and built on or before 8/13/2010 may exhibit a driveline vibration or a howl noise at highway speeds in cold temperatures.
SERVICE PROCEDURE
- Place the vehicle in neutral, position it on a hoist.
- Index-mark both the driveshaft flanges at the power transfer unit (PTU) and rear differential unit (RDU).
- Disconnect the rear driveshaft from the PTU and from the RDU assembly.
- Leave the driveshaft attached to the vehicle.
- Rotate the driveshaft by hand, and check for any roughness feel to both the front and rear driveshaft bearings.
- If no roughness is felt from either bearing, do not continue with this article. Re-index the driveshaft.
- If any roughness is felt from either bearing, replace the driveshaft assembly.
| PART NUMBER | PART NAME |
| AE5Z-4R602-A | Rear Driveshaft Assembly |
W520113-S440  | Center Bearing Support Nut |
| W705443-S900 | Exhaust Flex Pipe Flange Nut |
| W711960-S439 | Rear Driveshaft-To-Pinion Flange Bolt |
SaleBestseller No. 1
Valvoline FlexFill Full Synthetic SAE 75W-140 Gear Oil 1 QT Pouch
- Works in tight spaces and makes gear oil easier to use
- Full Synthetic formula for exceptional high and low temperature protection
- Contains an extreme pressure additive for better load carrying capacity and wear protection
- Excellent thermal stability designed to protect oil from high temperature breakdown
SaleBestseller No. 2
Lucas Oil 10122 Synthetic SAE 75W-140 Gear Oil - 1 Gallon
- Super-slick long lasting lubricant
- Insures less gear noise and longer bearing life
- Stands up to high temperatures while maintaining lubricity
Bestseller No. 3
Lucas Oil 10121 SAE 75W-140 Synthetic Gear Oil/Transmission and Differential Lube - 1 Quart
- Super-slick long lasting lubricant
- Insures less gear noise and longer bearing life
- Stands up to high temperatures while maintaining lubricity
Bestseller No. 4
StarFire Full Synthetic 75W140 Gear Lubricant 5 Gallon Pail
- Viscosity Rating: Offers a viscosity of 75W-90, ensuring optimal performance in a wide temperature range.
- Full Synthetic Composition: Made from synthetic base oils, providing superior lubrication and thermal stability
- Improved Wear Protection: Reduces wear on gears and bearings, extending the life of drivetrain components.
- Temperature Stability: Maintains performance in extreme temperatures, preventing breakdown and maintaining viscosity
- High Load Carrying Capacity: Designed to handle heavy loads, making it ideal for demanding applications.
Bestseller No. 5
Lucas Oil 10045 Heavy Duty SAE 85W-140 Gear Oil - 1 Gallon
- Contains special anti-wear and lubricity agents
- Helps to control heat
- Excellent for high performance and heavy-duty applications
Bestseller No. 6
Valvoline High Performance SAE 85W-140 Gear Oil 1 QT
- Protects against severe temperatures to help extend service life.Fit Type: Universal Fit
- Formulated with extreme-pressure additives to minimize gear wear from shock loads
- Helps protect against gear wear from scuffing, scouring, corrosion and pitting
- Recommended for conventional hypoid differentials and non-synchronized manual transmissions in passenger cars, light trucks, sport utility vehicles, vans and heavy-duty trucks where an API-GL5 or GL-4 fluid is specified
Bestseller No. 7
SaleBestseller No. 8
TRIAX Synergy Gear MAX 75W-140 GL-5, PAO Synthetic Long-Drain Axle, Differential Extreme Pressure Oil, Limited Slip Ready, 750,000 Mile Rating on Highway (1 Gal)
- Extreme drain intervals; 500,000 miles for heavy-duty pickup trucks and passenger cars; 750,000 miles for Class 8 highway trucks; Has -60 F pour point
- Unrivaled shear stability and longevity; meets and exceeds API GL-5 and limited slip requirements with a wide range of specifications across multiple OEMs
- Up to 62% less wear vs OEM specifications across various standards; exceptional load-bearing capacity exceeds the highest load test rating, stage 14
- Hypoid and ring gears, differentials, limited slip, heavy-duty highway passenger cars, heavy-duty off-road, racing/drifting; will not shear under extreme torque; exceptional power transfer under extreme conditions
- Proven protection far beyond spec requirements; excellent extreme pressure and anti-wear performance in a wide range of LS and NON-LS gear systems with hypoid and other gears
Bestseller No. 9
Lucas Oil 10042 Heavy Duty High Performance SAE 85W-140 Gear Oil - 1 Quart
- Contains “climbing additives” that ensure total lubrication
- Fortified with anti-wear and lubricity agents that combat wear and drag
- Designed for hypoid gears and power dividers
- Non-foaming
- Can be used in limited slip differentials
Bestseller No. 10
ROYAL PURPLE MAX GEAR 75W140 Quart BOTLE
- For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
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