The initial goal behind designing this DIY fix kit for the 1.4L Turbo PCV system was to create a more affordable, more durable alternative to repeatedly replacing the intake manifold. Through prolonged use, testing, and feedback from the community, I'd like to share some simple steps that can be taken to ensure that the PCV system and the fix kit continue to operate reliably for years to come.
V1 & V2.1 Kits:
So far, no reports of failures have been reported with the V1 kit. However, the check valve should be checked every 2-3 years to ensure it is working correctly. To do this, monitor oil level for consumption that would indicate the check valve may not be sealing, and pull the dipstick at idle to ensure that vacuum is being applied through that check valve.
The brake booster tee fitting and the intake manifold brake booster nipple should be periodically checked and cleaned (if necessary) to ensure it flows freely and that the PCV system and brake booster continue to function properly. So far, reports have come in from different owners at 25,000, 45,000, 65,000, and 100,000 miles showing the fitting is still clear, but this should be checked regardless to ensure proper function of the PCV system and the brake booster. A good start would be checking it at every oil change, then adjusting thereafter. A bit of condensation is normal, but if you find those parts do need cleaning, you can use a small pipe brush/straw cleaner or a pipe cleaner (the kind kids use for arts and crafts).
The check valve on the V3 kit should be checked and replaced (if necessary) every 25,000 miles or 2 years, whichever comes first. Check all connections to ensure there is no oily residue that would indicate a leak and that the rubber hoses have not deteriorated.
It is strongly recommended that these engines use synthetic engine oil to help reduce PCV issues and PCV deposits over time. Conventional and semi-synthetic oils have been shown to create excessive PCV deposits, cause blockages in the PCV system, and cause malfunction of the PCV valves. A good store shelf option is Mobil 1 or Pennzoil Platinum, but we do sell AMSOIL if you want the best option available.
Always remember, it is your responsibility to perform proper maintenance on your car and ensure that all parts and components are in proper working order.
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