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

-21%
MEYLE Hose, cylinder head cover breather
Article № : 014 001 0003
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£ 2,17
£ 1,71
incl. 20% VAT, Shipping
  • Air Supply Hoses/Pipes: from intake manifold top to intake manifold bottom
  • Supplementary Info: MEYLE-ORIGINAL Quality
  • Condition: New

OEM-Number

60 10 1 603 81

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-21%
VAICO Valve, engine block breather
Article № : V10-4638
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£ 5,07
£ 4,01
incl. 20% VAT, Shipping
  • Weight [kg]: 0,007
  • Operating Mode: Pressure Controlled
  • Housing material: Polyamid 6.6
  • Condition: New

OEM-Number

03 51 0 324 5A

03 41 0 324 5A

In stock
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-21%
FEBI BILSTEIN Valve, engine block breather
Article № : 45192
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£ 31,57
£ 24,94
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  • Material: Plastic
  • Weight [kg]: 0,23
  • Condition: New

OEM-Number

11 12 7 793 163

11 12 7 793 164

11 12 7 781 465

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-21%
VAICO Valve, engine block breather
Article № : V10-2270
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£ 9,86
£ 7,79
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  • Operating Mode: Pressure Controlled
  • Valve type: Breather Valve, Diaphragm Valve
  • Weight [kg]: 0,569
  • Condition: New

OEM-Number

02 81 2 910 1D

02 81 2 910 1

In stock
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-21%
TOPRAN Hose, crankcase breather
Article № : 114 926
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£ 4,23
£ 3,34
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  • Shape: T-Piece
  • Condition: New

OEM-Number

06 A1 0 324 7

05 81 0 324 7

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-21%
JP GROUP Hose, crankcase breather
Article № : 1111153300
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£ 3,50
£ 2,77
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  • Equipment Variant: At crankcase
  • Condition: New

OEM-Number

06 A1 0 322 1C

06 A1 0 322 1BQ

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-21%
METZGER Valve, engine block breather
Article № : 2385092
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£ 12,81
£ 10,12
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  • Material: Plastic
  • Condition: New

OEM-Number

03 01 0 317 5B

In stock
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-21%
TOPRAN Valve, engine block breather
Article № : 116 852
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£ 12,97
£ 10,25
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  • Material: Plastic
  • Valve type: Non-Return Valve
  • Operating Mode: Pneumatic
  • Condition: New
In stock
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