Oil filter replacement solutions explained by Blue Print

Blue Print offers over 2,200 part numbers in its filtration portfolio for different makes and models

Oil filter replacement solutions explained by Blue Print
Clean, high quality air filters help to maintain the oil filter and clean oil aids cooling by carrying heat away from pistons, cylinders and turbochargers.

Oil filters protect the engine by keeping the oil free from dirt and contamination during a prescribed service life.

Microscopic wear particles, dust and soot from combustion must be filtered efficiently out to prevent them embedding in the bearing surfaces, which can quickly lead to increased engine wear.

Blue Print supply oil filters with premium quality filter media which have the efficiency and capacity to protect between extended service intervals.

“The filter media, or paper, has arguably the most important job of a filter,” commented a Blue Print spokesperson.

“It must have the capacity and durability to trap and hold the contaminants whilst maintaining its integrity between the extended service intervals of a modern motor vehicle.

Filter integrity

“Built into spin-on type filters is a silicone diaphragm which allows the oil to pass through the filter in one direction only.

“This prevents oil draining away from the filter and siphoning back through the oil pump when the engine is switched off, thus ensuring that oil pressure rises quickly on start-up and minimising engine wear.”

The bypass valve has two jobs to do.

It protects the filter media on start-up and it allows unfiltered oil to bypass the filter should the media become clogged, protecting the engine against starvation.

Balancing act

“On start-up, the sudden rise in pressure on the pump side of the filter is not balanced by pressure on the engine side of the filter.

“This could cause the filter media to collapse or starve the engine of oil if it were not for a correctly specified bypass valve fitted either in the filter itself or in the filter housing,” added the spokesperson.

The pressure at which the bypass valve opens is critical.

Too high a pressure and the load on the filter media could cause it to collapse or starve the engine of oil on start-up; too low and the bypass valve will open before the filter reaches its capacity during its service life.

This would mean that the engine would be exposed to unfiltered oil and wear would increase rapidly.

These parts have been rigorously tested and researched to ensure a high standard of quality, covering over 86 per cent of the vehicle parc.

Full details about Blue Print’s range of filters can be found on the online catalogue Blue Print LIVE!

For further information about the Bilstein group, click “more details” below.

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