The 2015 Ford Police Interceptor Sedan is a heavy-duty law enforcement vehicle built on the Ford Taurus platform. Its suspension system is engineered to handle rigorous patrol duties, high-speed pursuits, and constant stop-and-go driving. Over time, components wear out and need replacement. This guide covers the essential suspension parts for this vehicle, common problems, and how to choose between OEM and aftermarket options.
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Understanding the 2015 Police Interceptor Sedan Suspension
The suspension on this sedan is designed for both durability and handling. It uses a MacPherson strut front suspension and a multilink rear setup. Key components include:
Front Suspension Components
- Strut assemblies: The front struts combine a shock absorber and coil spring into one unit. They control damping and support the vehicle's weight.
- Control arms: Lower control arms connect the steering knuckle to the frame. They house ball joints that allow steering and suspension movement.
- Sway bar links: These connect the sway bar to the control arms, reducing body roll during cornering.
- Tie rods: Inner and outer tie rods connect the steering rack to the steering knuckle, ensuring precise steering.
Rear Suspension Components
- Shock absorbers: Rear shocks are separate from springs and dampen vertical motion.
- Coil springs: Rear coil springs support the vehicle's weight and absorb road impacts.
- Trailing arms: These locate the rear axle and maintain alignment.
- Stabilizer bar: A rear sway bar reduces body roll.
Common Suspension Problems on the 2015 Police Interceptor Sedan
Due to heavy use, certain suspension issues are common.
Worn Ball Joints and Control Arms
Ball joints can develop play, causing clunking noises and uneven tire wear. Control arm bushings also degrade, leading to imprecise handling.
Leaking Struts and Shocks
Struts and shocks often leak fluid after high mileage, reducing ride quality and causing excessive bounce.
Broken Coil Springs
Rear coil springs can crack or break, especially in vehicles used on rough roads. This causes sagging and poor handling.
OEM vs Aftermarket Suspension Parts
When replacing suspension parts, you have two main choices.
OEM Parts
OEM (Original Equipment Manufacturer) parts are made by Ford or its suppliers. They offer a perfect fit and the same durability as the original parts. However, they are more expensive and may be backordered.
Aftermarket Options
Aftermarket parts come from third-party manufacturers. They can be less expensive and offer performance upgrades like stiffer springs or upgraded bushings. Quality varies widely, so stick with reputable brands like Moog, AC Delco, or Monroe.
Factors to Consider When Choosing Suspension Parts
Vehicle Use
If you still use the car for police work, OEM or heavy-duty aftermarket parts are best. For personal daily driving, standard aftermarket parts may suffice.
Driving Conditions
In urban areas with potholes, stronger components like reinforced control arms are wise. For highway patrol, comfort and stability matter.
Budget
OEM parts cost more upfront but may last longer. Aftermarket parts can save money but check warranty and reviews.
Recommended Suspension Parts for the 2015 Police Interceptor Sedan
Front Strut Assemblies
Complete strut assemblies (with spring) simplify installation. Monroe Quick-Strut and KYB are popular choices.
Sway Bar Links and Bushings
Moog problem-solver links have grease fittings for longer life. Replace bushings when you replace links.
Control Arms with Ball Joints
Moog RK series control arms include high-quality ball joints and bushings. They are a common upgrade.
Coil Springs
For rear springs, consider Moog variable-rate springs for a better ride under load.
Installation Tips and Maintenance
Professional vs DIY
Suspension work requires spring compressors and alignment tools. If you have experience, replacing struts and control arms is doable, but alignment is critical.
Alignment After Replacement
After replacing any suspension component, get a professional wheel alignment. Improper alignment leads to tire wear and handling issues.
Final Recommendation
For most owners of the 2015 Ford Police Interceptor Sedan, replacing worn suspension parts with high-quality aftermarket components from brands like Moog or Monroe offers the best balance of cost and performance. Focus on critical items like struts, control arms, and sway bar links. Always replace in pairs (both front or both rear) to maintain handling. If the vehicle is still in active police use, consider OEM parts for maximum durability. Regular inspections every 30,000 miles will catch wear early and keep the suspension safe and reliable.