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Review on πŸ”§ Dorman 917-147 PCV Valve Diaphragm: The Perfect Fit for Volvo Models by Andy Jolley

Revainrating 5 out of 5

Fits like original. Helped improve idle.

Before the replacement I had a slight whine and signs of PCV clogging (whistle when pulling dipstick out at idle), slight rough idle. After the replacement, the whistling went away, it felt better at idle. Looks just as high quality as the original. Installation is not too difficult on a Volvo T6 engine.

Pros
  • Wow
Cons
  • Only available in white