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Thread: Quick Grill question

  1. #1
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    Default Quick Grill question

    Just fitted an irmscher grill today, when i removed the old grill there was a piece of plastic around the air inlet pipe held on by the top 3 screws, anyone know what this is for and do i need to replace it??? Car is an 05 cdti Sri 150

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    Regular Member madman's Avatar
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    replace it mate. its to stop water splashing up and getting sucked into the engine. not needed on a petrol but on the diesel gotta keep it

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    Yep as he said. It must be replaced like for like. If not fitted, there is a chance in very heavy rain that water could be sucked into the diesel engine cylinders and hydraulic lock can occur. In short, if this happens, your engine could/will seize solid in an instant.

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    Full Member Big Sig's Avatar
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    I removed mine, the air box has a drain in it anyway. Just binned it when I changed it over. Been that way for 38k now!
    Now I need a turbo to keep up!

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    Regular Member madman's Avatar
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    Quote Originally Posted by Big Sig View Post
    I removed mine, the air box has a drain in it anyway. Just binned it when I changed it over. Been that way for 38k now!
    did it make any difference to performance ? and what are the odds of you getting hydraulic lock compared to me(refitted with irmy grill)

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    Quote:
    Originally Posted by Big Sig
    I removed mine, the air box has a drain in it anyway. Just binned it when I changed it over. Been that way for 38k now!

    did it make any difference to performance ? and what are the odds of you getting hydraulic lock compared to me(refitted with irmy grill)
    Was going to ask the same question, surely this piece of plastic is restricting the airflow, so removing it surely increases the air through the pipe to filter, have done the airbox mod with K&N on mine and noticed a big difference, surely this will increase the air more if not put back???

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    Quote Originally Posted by madman View Post
    did it make any difference to performance ? and what are the odds of you getting hydraulic lock compared to me(refitted with irmy grill)
    Dunno really, never noticed it. But then would you notice 2 or 3 bhp more anyway?
    I still think the odds of getting hyd lock are very small unless your stupid enough to drive through very deep water. I mean, some diesels run water injection!

    Quote Originally Posted by Governor View Post
    Was going to ask the same question, surely this piece of plastic is restricting the airflow, so removing it surely increases the air through the pipe to filter, have done the airbox mod with K&N on mine and noticed a big difference, surely this will increase the air more if not put back???
    Now I need a turbo to keep up!

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