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Location Of Oil Breather Hose On 99-996 .3.4

boxster250
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boxster250 Member

boxster250

Posted
Posted

can anybody help here the location of the engine oil breather hose is just evading us 99-996 3.4

we need to change the hose to correct the idle speed (we hope) changed plugs// no air leaks// changed lampda sensors//

changed coil packs// changed air flow meter// butterfly clean//

JeTexas Member

JeTexas

Posted
Posted

I think you're looking for the air-oil seperator. Also check the oil filler neck because it can crack and cause a vacuum leak that will give you an extremely high idle.

Gator Member

Gator

Posted
Posted

The oil heat exchanger has an "oil breather hose" on the top of it. Is that the hose you are looking to replace? If memory serves, the oil heat exchanger is back behind the throttle body. Due to limited space, you'll probably need to pull the throttle body and air distribution tubs to get to the top of the oil heat exchanger. GA

boxster250 Member

boxster250

Posted
  • Author
Posted

I think you're looking for the air-oil seperator. Also check the oil filler neck because it can crack and cause a vacuum leak that will give you an extremely high idle.

Thanks for your answer but i am looking for an engine oil breather pipe small and short//it breaks down and creates bad running on tickover.

regards RW

boxster250 Member

boxster250

Posted
  • Author
Posted

The oil heat exchanger has an "oil breather hose" on the top of it. Is that the hose you are looking to replace? If memory serves, the oil heat exchanger is back behind the throttle body. Due to limited space, you'll probably need to pull the throttle body and air distribution tubs to get to the top of the oil heat exchanger. GA

Thanks we are going to try this //are there any other engine oil breathers small and short// would appreciate your input.

regards RW

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