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  1. #1
    Active Member One Ring
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    Nov 16 2008
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    S4 B5 Removing Top Coolant Hose

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    I noticed driving home today water temp went past 3/4.
    I saw that the top coolant hose had a crack right where the hose meets the plastic connector.

    I'm sitting here trying to figure out how to get this hose off. I was able to remove the top radiator connector but cannot for the life of me figure out how to get the bottom engine side connector off. I basically can't figure out how to get to the retaining clip with either a screwdriver or something else.

    Can anyone tell me whether it's something I can access from the top, or from the bottom? Remove any other components to get to it?

    Thanks in advance.

    Tanner
    Corona, So Cal

  2. #2
    Senior Member Three Rings slowSfaux's Avatar
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    Apr 26 2015
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    329604
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    Phoenix, AZ

    You gotta get in there with a screwdriver or a pick, it's tough but it's possible. Pulling it off will be a challenge too if you haven't removed it in a while. Expect to bust a knuckle or two.

  3. #3
    Veteran Member Three Rings
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    Jul 07 2009
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    Alberta, Canada

    Remove clip. Pull real hard. Wear gloves.

  4. #4
    Active Member One Ring
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    Quote Originally Posted by slowSfaux View Post
    You gotta get in there with a screwdriver or a pick, it's tough but it's possible. Pulling it off will be a challenge too if you haven't removed it in a while. Expect to bust a knuckle or two.
    Thanks, this is from the top?

    - - - Updated - - -

    Quote Originally Posted by JVD View Post
    Remove clip. Pull real hard. Wear gloves.
    Thanks

  5. #5
    Veteran Member Four Rings CELison's Avatar
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    Feb 23 2010
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    55053
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    Lehigh Valley

    You can tap the plastic part of the hose from the front with something that can be used as a punch and a hammer to pop it off the rad. That's how I always did it. Saves my hands from getting smashed.
    B5 S4- K24s, built bottom end, E85
    B8 S4- GIAC Stage 2, E85/93

  6. #6
    Veteran Member Four Rings Timtheguru's Avatar
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    Dec 30 2009
    AZ Member #
    52711
    Location
    Seattle

    Quote Originally Posted by CELison View Post
    You can tap the plastic part of the hose from the front with something that can be used as a punch and a hammer to pop it off the rad. That's how I always did it. Saves my hands from getting smashed.
    Agreed, but that's not where the problem is.

    Quote Originally Posted by tannercortes View Post
    I was able to remove the top radiator connector but cannot for the life of me figure out how to get the bottom engine side connector off. I basically can't figure out how to get to the retaining clip with either a screwdriver or something else.
    2001.5 S4 Sedan
    2002 A4 Avant 1.8t - Traded in
    2001.5 A4 1.8t - In storage rotting away providing homes for rodents
    2013 Q7 TDI

  7. #7
    Veteran Member Four Rings CELison's Avatar
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    Feb 23 2010
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    Lehigh Valley

    Thatís what I get for reading it fast.

  8. #8
    Veteran Member Three Rings ElementR's Avatar
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    Nov 23 2013
    AZ Member #
    131534
    My Garage
    '07 Volvo S60R EFR 7163 Turbo, '93 Mustang Cobra Twin Turbo 347cid, '01 B5 S4 Tial 605's
    Location
    Grosse Pointe, MI

    Try picking up a set of picks from Harbor Freight or auto parts store... the one with a 90 degree bend may be able to grab it.
    2001 Silver/Black S4, Built engine (RPM rods, ARP hardware, Mahle pistons, Supertech valvetrain, etc), Tial 605's @25psi on 93 oct, JHM FMIC, JHM full trans rebuilt/upgrade, 3" SS dp + CBE, Vast intake + bipipes + tune, ST Coilovers, Hotchkis Swaybars, RS4 wheels and interior goodies.

  9. #9
    Active Member One Ring
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    Nov 16 2008
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    Quote Originally Posted by CELison View Post
    Thatís what I get for reading it fast.
    Fast Car.Fast Reading:)

    - - - Updated - - -

    Quote Originally Posted by ElementR View Post
    Try picking up a set of picks from Harbor Freight or auto parts store... the one with a 90 degree bend may be able to grab it.
    Yeah, I think I'll stop by and buy a set.
    Thanks

  10. #10
    Active Member One Ring
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    I was able to finally get the hose off. No scraped knuckles.

    Since the hose was already damaged, I used a sharp blade and cut the hose in half.
    This gave me a view of the retaining clip. I was able to use a 10" flat blade screw driver to pry the clip into open position, however it was not enough to slide the hose out yet.
    So I used popped the entire clip off the connector using same screwdriver.

    Remaining 1/2 of the hose came out easy.
    Now hoping the new hose slides in easily.

  11. #11
    Registered Member Three Rings
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    Nov 12 2013
    AZ Member #
    129764
    My Garage
    '01 S4 Tip '91 200 20VTQA, '01 A6 2.7TA, VW Rabbit GTI truck.
    Location
    SanHo, CA

    Quote Originally Posted by tannercortes View Post
    Now hoping the new hose slides in easily.
    Lube o-ring inside new hose with silicone grease. Clean hard pipe on engine with Scotchbrite.

  12. #12
    Veteran Member Three Rings
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    Jul 07 2009
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    Alberta, Canada

    Quote Originally Posted by rdcyclist View Post
    Lube o-ring inside new hose with silicone grease. Clean hard pipe on engine with Scotchbrite.
    Good call!
    - JVD

    Stage 6 B5 S4 - K&N Cabin Filter, PIAA Reverse Lamps, 4 Lug Conversion, Track Package, 4x 18" Pyle Subwoofers

  13. #13
    Veteran Member Four Rings S4_NE's Avatar
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    Aug 07 2008
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    31716
    My Garage
    just my two S4's
    Location
    Fairfield County CT

    Quote Originally Posted by JVD View Post
    Good call!
    second that, and hope you don't have to change it again LOL
    2001 S4 TIP STG 3 EPL tune,517 trans shop, and Stuff
    2001 S4 Avant TIP STG 0, Vast snub mount, 710N's, AWE boost gage, Tints, more to come...

    Turbo's are the Perfect Drug

  14. #14
    Active Member One Ring
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    Sounds like a solid idea, I was going to use some spit, but ya, your idea much better!!😜

    Quote Originally Posted by rdcyclist View Post
    Lube o-ring inside new hose with silicone grease. Clean hard pipe on engine with Scotchbrite.



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