Q. My 2011 Mercedes Benz GLK 350 needs a power steering hose replaced. The repair looks easy enough, but my question is about power steering fluid. The ownerâs manual states the Dexron III is acceptable fluid to use. My question is can I use Dexron IV, V or Vl? My other question is how long do sealed containers of oil last?
A. When I looked up the specification for power steering fluid in the database I use it stated use only Mercedes Benz fluid and didnât show an equivalent. When I looked it up on Mitchel Repair Information it did state that Dexron III was compatible. According to AC Delco who markets Dexron fluids state that Dexron Vl are backwards compatible with previous DEXRON automatic transmission fluids and can be used as a replacement for older vehicles. Regarding shelf life of oil, the last time I had someone from an oil company on my radio program I asked that question and he said five years is the number they use. I donât believe the oil goes bad (although
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Not only that, but when a charge-depleted acid battery is exposed to sub-zero temps, the liquid electrolyte inside it can freeze and expand, leading to permanent cell damage. From the outside, this appears as a bulge in the side of the battery. You should
never try to boost or recharge one in this condition.
Dealing with parasitic draw
If all this wasn’t enough, most of today’s vehicles are packed with multiple onboard computers, and most of them require a continual supply of electrical power to maintain memory and function. In normal circumstances this parasitic draw, as it’s known, will never cause a driver a moment’s worry. But add everything listed above into the mix, and you can predict the results.