Power Steering Fluid

AMSOIL Power Steering Fluid — Multi-Vehicle Synthetic PSF for Cars, Trucks & SUVs

AMSOIL Multi-Vehicle Synthetic Power Steering Fluid (PSFCN-EA) is the best synthetic power steering fluid for most domestic and import cars, trucks, and SUVs. It meets GM 9985010, Ford M2C195-A, and Chrysler MS-9602 specs in a single bottle, performs from -40°F (pour point -60°F) to 446°F flash point, and conditions seals to prevent leaks, noise, and pump wear.

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Why Run AMSOIL Synthetic Power Steering Fluid?

Multi-vehicle coverage — GM, Ford, Chrysler, BMW, Mercedes, VW/Audi & more
Pour point -60°F • Flash point 446°F — reliable in extreme climates
Outstanding oxidation & thermal stability for long fluid life
Seal conditioners keep elastomers soft to prevent leaks
Strong anti-wear protection for pump, rack & hoses
Formulated for quiet operation — reduces whine, groan & squeal
Compatible with most petroleum & synthetic PSFs
Meets GM 9985010, Ford M2C195-A, Chrysler MS-9602 & many more

Product Lineup

Shop AMSOIL Power Steering Fluid

Synthetic power steering fluid engineered for hydraulic rack-and-pinion and steering pump systems across nearly every domestic and import vehicle on the road.

AMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid

AMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid is a durable synthetic formulation engineered for long, trouble-free service in most domestic and foreign passenger cars and light trucks. Reduces friction, conditions seals to prevent leaks, resists heat for long fluid life, and delivers strong anti-wear protection with quiet operation across extreme temperatures.

Available Package Sizes:

16 oz. Bottle5 Gallon Pail55 Gallon Drum

Fitment:

• Most domestic & import passenger cars and light trucks
• GM, Ford, Chrysler/Jeep/Dodge/Ram hydraulic systems
• BMW, Mercedes-Benz, VW/Audi, Volvo, Saab, Porsche (per spec list)
• Honda/Acura, Toyota/Lexus, Nissan, Subaru, Hyundai/Kia, Mitsubishi (per spec list)
• Hydraulic rack-and-pinion & steering pump systems

OEM Specifications Met:

• GM/Saginaw PSF 9985010, 9985835, 89021184
• Ford M2C138-CJ, ESW-M2C128-C&D, M2C195-A, M2C204-A, M2C33-F
• Chrysler MS-1872, MS-5931, MS-11655, MS-9602
• BMW 82 11 0 148 132; 83 29 0 429 576; 81 22 1 468 879; 82 11 1 468 041
• Mercedes-Benz 236.3, 345.0, Q 1 32 0001
• VW/Audi TL-52146, G002000, G 004 000 M2/M7/M8
• Toyota PSF Type EH (P/N 008886-01), Honda/Hyundai/Kia/Nissan/Mitsubishi/Subaru/Volvo/Saab/Porsche/Navistar (see full spec list)
• Pour Point -60°F • Flash Point 446°F • Viscosity Index 197

Product Code: PSFCN-EA

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Vehicle Selector

What Power Steering Fluid Does My Car Need?

Always check the owner's manual or reservoir cap. AMSOIL Multi-Vehicle Synthetic PSF (PSFCN-EA) covers most domestic and import applications. Some Honda, Toyota, BMW, and Mercedes vehicles require an OEM-specific fluid.

Vehicle / Application	Recommended AMSOIL PSF	Notes
GM cars, trucks, SUVs	Multi-Vehicle Synthetic PSF (PSFCN-EA)	Meets GM/Saginaw 9985010, 9985835 & 89021184.
Ford cars, trucks, SUVs	Multi-Vehicle Synthetic PSF (PSFCN-EA)	Meets Ford M2C138-CJ, M2C195-A, M2C204-A & M2C33-F.
Chrysler / Jeep / Dodge / Ram	Multi-Vehicle Synthetic PSF (PSFCN-EA)	Meets Chrysler MS-1872, MS-5931, MS-11655 & MS-9602.
BMW (hydraulic)	Multi-Vehicle Synthetic PSF (PSFCN-EA)	Meets BMW 82 11 0 148 132 and related part numbers.
Mercedes-Benz	Multi-Vehicle Synthetic PSF (PSFCN-EA)	Meets MB 236.3, 345.0, Q 1 32 0001.
VW / Audi / Porsche	Multi-Vehicle Synthetic PSF (PSFCN-EA)	Meets VW/Audi TL-52146, G002000, G 004 000 M2/M7/M8; Porsche 000 043 206 56.
Toyota / Lexus	Multi-Vehicle Synthetic PSF (PSFCN-EA)	Meets Toyota PSF Type EH (P/N 008886-01).
Honda / Hyundai / Kia / Nissan / Subaru / Mitsubishi / Volvo / Saab	Multi-Vehicle Synthetic PSF (PSFCN-EA)	See full OEM spec list — confirm in owner's manual before use.

Warning Signs

Signs You Need to Change Power Steering Fluid

Hydraulic power steering systems give you clear warning before failure. Watch for any of these symptoms — and if you see them, change the fluid (and check the pump and rack) before the system fails on the road.

→Whining or groaning noise from the pump when turning
→Steering wheel feels stiff, jerky, or hard to turn at low speed
→Visible fluid leak under the vehicle
→Reservoir level low or fluid is dark, foamy, or burnt-smelling
→Squealing on cold start that fades as the system warms
→Vibration in the steering wheel during slow turns
→Fluid contamination — brown, black, or sludgy instead of clear/red

The Complete Guide to AMSOIL Synthetic Power Steering Fluid

How often should power steering fluid be changed?

Most manufacturers recommend changing power steering fluid every 50,000 to 100,000 miles, or whenever it appears dark, foamy, or contaminated. Check the reservoir at every oil change. AMSOIL synthetic chemistry resists oxidation and breakdown longer than conventional power steering fluid, supporting extended service life.

What happens if you use the wrong power steering fluid?

The wrong fluid can swell or shrink seals, cause foaming and pump cavitation, create hard steering, generate whine or groan, accelerate pump and rack wear, and in extreme cases cause complete steering failure. Always match the OEM spec — when uncertain, choose a multi-vehicle fluid that meets multiple major manufacturer specs like AMSOIL PSFCN-EA.

How hydraulic power steering actually works

In a traditional hydraulic system, an engine-driven pump pressurizes power steering fluid and routes it through hoses to the steering rack or gearbox. When you turn the wheel, a control valve directs that pressurized fluid against a piston that assists the rack-and-pinion (or recirculating-ball) assembly. Fluid quality directly affects pump life, rack life, steering effort, and noise.

Hybrid and electric power steering

Modern vehicles increasingly use Electric Power Steering (EPS) — an electric motor drives the rack directly with no hydraulic fluid. Some hybrid setups use an electric pump driving a hydraulic rack and still require power steering fluid. If your vehicle has no power steering reservoir under the hood, it is fully electric and no fluid is required.

Why seal conditioners matter

Power steering systems live or die by their seals. AMSOIL synthetic power steering fluids include seal conditioners that keep elastomers pliable and properly sized — preventing the shrinkage that causes leaks, the swelling that causes hard steering, and the cracking that ends in pump replacement. That's why AMSOIL PSFCN-EA can reduce noise and stop minor leaks in older vehicles.

Power Steering Fluid — Frequently Asked Questions

What is the best synthetic power steering fluid?▾

AMSOIL Multi-Vehicle Synthetic Power Steering Fluid (PSFCN-EA) is the best synthetic power steering fluid for most domestic and import cars, trucks, and SUVs. It meets GM 9985010, Ford M2C195-A, and Chrysler MS-9602 specs in a single bottle, performs from -40°F (pour point -60°F) to 446°F flash point, and conditions seals to prevent leaks, noise, and pump wear.

What power steering fluid does my car need?▾

Always check the owner's manual or reservoir cap first. Most modern GM, Ford, Chrysler, Jeep, and many Honda/Toyota vehicles can use AMSOIL Multi-Vehicle Synthetic PSF (PSFCN-EA). Some Hondas, Toyotas, BMWs, and Mercedes call for OEM-specific fluid (Honda PSF, Pentosin CHF, MB-spec) — confirm the spec before topping off.

Is AMSOIL power steering fluid compatible with all vehicles?▾

AMSOIL Multi-Vehicle Synthetic PSF (PSFCN-EA) covers the majority of domestic and import hydraulic power steering systems, but it is not universal. Always confirm your vehicle's required spec in the owner's manual — some Honda, Toyota, BMW, and Mercedes models require an OEM-specific fluid that AMSOIL PSFCN-EA does not replace.

How often should power steering fluid be changed?▾

Most manufacturers recommend changing power steering fluid every 50,000 to 100,000 miles, or whenever the fluid appears dark, foamy, or contaminated. Check the level at every oil change. AMSOIL synthetic chemistry resists oxidation and breakdown, supporting longer service life than conventional power steering fluid.

What happens if you use the wrong power steering fluid?▾

Using the wrong power steering fluid can cause seal swelling or shrinkage, foaming, pump cavitation, hard steering, whining noise, accelerated pump and rack wear, and complete steering failure in extreme cases. Always match the OEM specification — when in doubt, use a fluid like AMSOIL PSFCN-EA that meets multiple major specs.

Can I mix AMSOIL power steering fluid with my existing fluid?▾

AMSOIL Multi-Vehicle Synthetic PSF (PSFCN-EA) is compatible with most petroleum and synthetic power steering fluids, so it is safe for top-off. For best performance and full extended-life benefit, drain the system and refill with AMSOIL rather than topping off mixed fluids long-term.

Does power steering fluid help with steering noise?▾

Yes. AMSOIL synthetic power steering fluid contains seal conditioners and anti-foam additives that quiet pump whine, reduce groan during low-speed turns, and stop squeal on cold start. If noise persists after a fluid change, inspect the pump, belt, and hoses for failure.

Do electric power steering systems need power steering fluid?▾

Most fully-electric power steering (EPS) systems do not use hydraulic fluid — the assist motor drives the rack directly. Some hybrid systems use an electric pump to drive a hydraulic rack and still require power steering fluid. Check your owner's manual to confirm whether your vehicle has a fluid reservoir.

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