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Power Steering Fluid Recommendations

Power Steering (PS) fluid provides the necessary hydraulic/fluid pressure for the working of the power steering system. Besides this, it lubricates and cools down the steering components. The PS fluid also acts a sealant and prevents corrosion. The power steering fluid has low compressibility, low volatility, high viscosity and high resistance to fire. With so many requirements, it's no wonder that there is a plethora of formulations on the market. Many vehicle manufacturers utilize specialized fluid. These fluids are designed to work in specific systems and usually give the best results.

MakeModelFluid Type
AcuraAllHonda P/S Fluid
AudiAllPentosin CHF
BMWAll from 9/91 ProductionPentosin CHF 11S
BMWAll from 9/91 ProductionPentosin CHF 7.1
chrysler/DodgePost-1998(unless specified)ALT F4
chrysler/DodgeAll pre-1998P/S Fluid
DaewooAllDexron II or III
Ford/Linc/MercAllMercon ATF
General MotorsAllP/S Fluid
HondaAllHonda Fluid
HyundaiCheck ApplicationP/S Fluid 3 or Dexron II
JaguarAllDexron III
Jeep09-05 Grand cherokee, all enginesWK Hydraulic
Jeep09-06 Commander,5.7LWK Hydraulic
Jeep07-06 Commander,3.7L & 4.7LWK Hydraulic
JeepAll Post-1998(unless specified)ALT F4
JeepPre-1998 & pre-2005 Grand CherokeeP/S Fluid
InfinitiAllDexron III or equivalent ATF
IsuzuAllDexron II or Dexron III
KiaCheck ApplicationP/S Fluid or Dexron II
Land RoverAllDexron II or Dexron III
LexusAllDexron II or Dexron III
MazdaAllDexron III or equivalent ATF
Mercedes-BenzCheck ApplicationPentosin CHF 11S
Mercedes-BenzCheck ApplicationP/S Fluid
MiniAllPentosin CHF 11S
MitsubishiCheck ApplicationP/S Fluid or Dexron II
Nissan/DatsunAllDexron III or equivalent ATF
PorscheAllPentosin CHF 11S or CHF 202
SaabCheck ApplicationVaries by Application
SaturnAllP/S Fluid
ScionAllDexron II or Dexron III
SubaruAllDexron II or Dexron III
SuzukiAllDexron II or Dexron III
ToyotaAllDexron II or Dexron III
VolkswagenAll from 4/89 ProductionPentosin CHF
VolkswagenAll from 3/89 ProductionP/S Fluid
VolvoCheck ApplicationVaries by Application

Please note: This is not a comprehensive list and is meant as a general guideline only. Refer to the manufacturer's specifications before providing any service.

If you're asking yourself "Which power steering fluid should I use?", take a look at our chart above. There are also a number of systems that use automatic transmission fluid for power steering. These systems are usually designated with the words "Use automatic transmission fluid", "Use Dexron" or "Use Mercon" written on the fill cap or in the owner's manual. Automatic transmission fluid is fine for systems designed to work with it, but should never be used in a system that calls for power steering fluid. Due to a huge number of factors, no guide can replace an individual manufacturer's recommendations. The above is a general guide but should be verified for specific makes and models.

Most power steering problems involve leakage. Over time, seals get hard and debris wear down the sealing surfaces. Both problems are made far worse by dirty power steering fluid with depleted additives. Replacing power steering fluid is very easy and will save you a big headache in the long run. The recommended interval to change the PS fluid is often specified in the owners' manual. If you find any discoloration in the fluid, you should replace it.

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