CAR Crankcase breather

Crankcase ventilation system: common defects and their signs

  1. Clogging of the oil separator or pipes.
    • Engine power lowers.
    • Fuel consumption increased.
    • The throttle flap is soiling fast.
    • Operation of the engine at idling worsens.
    • The air filter is oiled.
  2. Jamming of the crankcase gases recirculation valve.
    • Oil consumption increases.
    • Foreign noise appears in the intake manifold and valve area.
    • Vehicle dynamics worsens.
    • Engine smoking occurs.

How to repair or replace crankcase ventilation system?

Repair of the crankcase ventilation unit lies in replacement of defective elements, caused its inoperability. The actions sequence during components replacement depends on the system type, which can be open or close. Most of all, the crankcase ventilation system of the close type is installed on the cars; its construction is more complicated. In order to gain access to defective elements of the system you need to demount the electronic throttle valve and the idle air control valve. Sometimes demounting of the intake manifold may be required. Then, if the broken valve needs to be replaced, you need to disconnect the crankcase ventilation hose from it, demount the part and install a new one. If damages of the ventilation hose are present, its should be replaced also.

It is recommended to entrust replacement of the crankcase ventilation system elements to professionals of a service station in case of absence of special equipment and car servicing skills.

Crankcase breather Information

Crankcase breather: Bestsellers

-20%
RIDEX Valve, engine block breather
Article № : 3886V0003
Read the product details
Buy RIDEX 3886V0003
£ 8,46**
£ 6,77
incl. 20% VAT, excl. delivery costs
  • Weight [kg]: 0,04
  • Operating Mode: Pressure Controlled
  • Recommended replace interval [years]: 3
  • Condition: New
In stock
Read the product details
-20%
VAICO Oil Trap, crankcase breather
Article № : V10-0899
Read the product details
Buy VAICO V10-0899
£ 40,90**
£ 32,72
incl. 20% VAT, excl. delivery costs
  • Operating Mode: Pressure Controlled
  • Part number of recommended accessories: V10-3240
  • Weight [kg]: 0,4998
  • Condition: New
In stock
Read the product details
-20%
TOPRAN Hose, cylinder head cover breather
Article № : 108 737
Read the product details
Buy TOPRAN 108 737
£ 15,22**
£ 12,18
incl. 20% VAT, excl. delivery costs
  • Material: Plastic
  • Supplementary Article/Info 2: with screws
  • Condition: New
In stock
Read the product details
-20%
MEYLE Hose, cylinder head cover breather
Article № : 014 001 0003
Read the product details
Buy MEYLE 014 001 0003
£ 2,71**
£ 2,17
incl. 20% VAT, excl. delivery costs
  • Air Supply Hoses/Pipes: from intake manifold top to intake manifold bottom
  • Supplementary Info: ORIGINAL Quality
  • Condition: New
In stock
Read the product details
-20%
VAICO Valve, engine block breather
Article № : V20-0956
Read the product details
Buy VAICO V20-0956
£ 34,52**
£ 27,62
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Cylinder Head
  • Width [mm]: 90
  • Weight [kg]: 0,3299
  • Condition: New
In stock
Read the product details
-20%
TOPRAN Hose, crankcase breather
Article № : 114 926
Read the product details
Buy TOPRAN 114 926
£ 4,51**
£ 3,61
incl. 20% VAT, excl. delivery costs
  • Material: AEM (Ethylene Acrylate Rubber)
  • Shape: T-Piece
  • Number of inlets/outlets: 3
  • Condition: New
In stock
Read the product details
-20%
ESEN SKV Hose, crankcase breather
Article № : 31SKV133
Read the product details
Buy ESEN SKV 31SKV133
£ 29,65**
£ 23,72
incl. 20% VAT, excl. delivery costs
  • Weight [kg]: 0,12
  • Condition: New
In stock
Read the product details
-20%
FEBI BILSTEIN Valve, engine block breather
Article № : 45195
Read the product details
Buy FEBI BILSTEIN 45195
£ 39,21**
£ 31,37
incl. 20% VAT, excl. delivery costs
  • Material: Plastic
  • Weight [kg]: 0,315
  • Condition: New
In stock
Read the product details