Trying to Identify this Hose
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HT4100 4.1, 4.5, 4.9 Discussion, Trying to Identify this Hose in Cadillac Engine Technical Discussion; I'm trying to figure out what this hose is that attaches to the air cleaner assembly, between the air filter ...
  1. #1
    Enigmaticwraith is offline Cadillac Owners Member
    Automobile(s): '93 Deville
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    Trying to Identify this Hose

    I'm trying to figure out what this hose is that attaches to the air cleaner assembly, between the air filter and throttle body. I can't find any reference to it in the service manual. I outlined it in red on the pictures below.



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  3. #2
    Sevillian273's Avatar
    Sevillian273 is offline Cadillac Owners Connoisseur
    Automobile(s): 69 Thunderbird | 90 Seville | 89 Marquis | 72 Torino
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    Re: Trying to Identify this Hose

    Its the intake side of the pcv system.

  4. #3
    Enigmaticwraith is offline Cadillac Owners Member
    Automobile(s): '93 Deville
    Join Date
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    Thread Starter

    Re: Trying to Identify this Hose

    Ahh, okay. Now I found it it in the manual, thanks.

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