How do you change the PCV valve in a 1999 Ford F150?

I’ve been noticing some black smoke coming from my engine and when I check it, there was some sludge built up inside. The last time this happened, there was a problem with my PCV valve—I’d like to fix it myself this time, so how do I change the PCV valve in a 1999 Ford F150?

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Answer provided by
Claire Beaney
Answered on Apr 15, 2022
With the right tools and know-how, you should definitely be able to change your 1999 Ford F150’s PCV valve yourself!
You’ll need some pliers, an adjustable wrench, silicone spray, and a new PCV valve. Then follow these instructions:
  • Locate the PCV valve, which is typically located in the passenger side valve cover
  • Remove the PCV valve hose. You might be able to just slip it off, but other models may be held down by two bolts, which can be removed using a wrench or pliers
  • Install the new PCV valve by sliding it in—you can use the silicone spray to help with installation. In other models, again, you might have to tighten the bolts to secure the valve
  • Connect the hose to the PCV valve. Install the hose clamps and, if required, the electrical plug
And you’re done! It’s not the most complicated car repair out there, but if you aren’t confident, it’s best to take your Ford to a mechanic for some professional help.
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