Why does my Volvo PCV breather box stop working?
This is due to clogged oil suction strainer to the oil pump or oil filter. Illuminated check engine lamp. This is due to incorrect engine fuel trim level parameters. Noise (whistling). Noise due to high pressure in the crankcase. This noise will stop if the oil filler cap is removed. Poor drivability.
Why does my Volvo engine make a whistling noise?
This is due to clogged oil suction strainer to the oil pump or oil filter. Illuminated check engine lamp. This is due to incorrect engine fuel trim level parameters. Noise (whistling). Noise due to high pressure in the crankcase. This noise will stop if the oil filler cap is removed.
Why is my Volvo oil filter making noise?
This is a common problem related to the flame trap system where the rubber diaphragm can deteriorate and develop a hole causing this noise. To overcome this problem the Volvo oil filter housing which is also the breather box for the PCV system, needs to be serviced.
How can I tell if my Volvo S60 has PCV?
Also, check the oil suction strainer on the oil suction line for contaminants and deposits. Use a low caliber vacuum gauge to check for positive pressure through the dipstick tube. Here’s a nice write up for 1999+ Volvo 5-cylinder PCV System courtesy of Matthews Volvo Site. Check out the video below of a full PCV replacement on a Volvo S60.
https://www.youtube.com/watch?v=iYhmUh2rHEo
What are the symptoms of a clogged breather box?
What are some of the symptom’s I can expect if my breather system is clogged? 1 Illuminated oil pressure lamp. – Due to clogged oil suction strainer to oil pump or oil filter. 2 Illuminated Check Engine Lamp- Due to incorrect engine fuel trim level parameters. 3 Noise (whistling) – Noise due to high pressure in crankcase.
Where is the breather cap on a Volvo?
In the old, old days engines had a breather cap located on the valve cover and the air/oil mixture just came out the cap and you would wipe up the oil residue off your valve cover.
What causes blue smoke coming out of the breather box?
High oil consumption/noise from the turbo. Damaged bearing or seals in the turbo can cause these symptoms. Chances are the customer will know they have a problem at this point as they’ll either have little to no boost or blue smoke will be pouring out of the tailpipe —or both potentially. What can I do to check for a clogged PCV system?
What happens if the crankcase breather is not working?
If the crankcase breather is not working correctly, it can cause damage to other parts of the engine. Seals and pistons are susceptible to faster wear and tear when pressure is increased. If you have to constantly replace these items, it’s probably time to clean the crankcase breather.
Why is blue smoke coming out of my Volvo V70?
Excessive blue smoke coming out of Volvo V 70 – Maintenance/Repairs – Car Talk Community We own a 1998 Volvo V70 (AWD) with 145,000 miles. The breather box was recently replaced (because the mechanic suggested this should be done). I should mention that before this work was done, the car ran fine. Absolutely…
What causes low oil pressure in a Volvo?
Low oil pressure can cause premature bearing wear and lead to internal engine component failure High oil consumption/noise from the turbo. Damaged bearing or seals in the turbo can cause these symptoms.