Thread: What part is this? (Anti-Freeze Leak)

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  1. #1 What part is this? (Anti-Freeze Leak) 
    SE Level Member Bologna's Avatar
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    What is this piece that I have red arrows pointing at? I have a feeling that it is leaking anti-freeze and as you can tell from the second picture, it drips all over my engine. I found a big puddle under my car today (about 1.5 feet wide).
    I have a 1997 Grand Prix GTP 2 Door Coupe



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  2. #2 Re: What part is this? (Anti-Freeze Leak) 
    Because Wet Leaves Hippo Machine's Avatar
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    coolant elbow, common on these cars


    iLoveSpade
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  3. #3 Re: What part is this? (Anti-Freeze Leak) 
    SE Level Member Bologna's Avatar
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    Quote Originally Posted by Hippo Machine View Post
    coolant elbow, common on these cars
    So could I just pull it off and replace it with any rubber elbow I have lying around?

    Or would coolant start rushing out if I pulled it out? lol
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  4. #4 Re: What part is this? (Anti-Freeze Leak) 
    Because Wet Leaves Hippo Machine's Avatar
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    You can replace it and see if ti fixes the problem, if it still leaks just put a bunch of rtv or other sealant type thing on it.


    iLoveSpade
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  5. #5 Re: What part is this? (Anti-Freeze Leak) 
    SE Level Member Bologna's Avatar
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    Quote Originally Posted by Hippo Machine View Post
    You can replace it and see if ti fixes the problem, if it still leaks just put a bunch of rtv or other sealant type thing on it.
    Alright well I just tried to pull it off and it isn't going anywhere. Do i have to take something apart to be able to take it off?
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  6. #6 Re: What part is this? (Anti-Freeze Leak) 
    Because Wet Leaves Hippo Machine's Avatar
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    There used to be a how-to but idk where it is on here since this forum update


    iLoveSpade
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  7. #7 Re: What part is this? (Anti-Freeze Leak) 
    SE Level Member Bologna's Avatar
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    Quote Originally Posted by Hippo Machine View Post
    There used to be a how-to but idk where it is on here since this forum update
    Alright, thanks for your help. I'll search and find it, but I think first I might just try to clean it and silicone it and see if it stops leaking.
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  8. #8 Re: What part is this? (Anti-Freeze Leak) 
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    That elbow slides into both ends and is sealed by o-rings. You need to remove the alternator bracket to get the elbow out and replace it. There are three bolts holding it on. It commonly fails and will leak some coolant when you remove it.

    2002 GTP: GMPP Sway Bars, BMR trailing arms, KYB AGX/Vogtlands, 12" brake upgrade
    Modified SSAC headers, K&N Intake, 3.4 MPS, S1X, Gen V, 104's, HPTuned.
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  9. #9 Re: What part is this? (Anti-Freeze Leak) 
    SE Level Member Bologna's Avatar
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    Quote Originally Posted by Silver GTP View Post
    That elbow slides into both ends and is sealed by o-rings. You need to remove the alternator bracket to get the elbow out and replace it. There are three bolts holding it on. It commonly fails and will leak some coolant when you remove it.
    When I take the alternator off, the belt will come lose. I know that some belts need to be timed between the pulleys or such. Does my car have to?
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  10. #10 Re: What part is this? (Anti-Freeze Leak) 
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    Should also add that since you have a 97, remove the bracket carefully. There is a second coolant port in the bracket that has an o-ring sealing it. Some people break the bracket when removing it if not careful.

    2002 GTP: GMPP Sway Bars, BMR trailing arms, KYB AGX/Vogtlands, 12" brake upgrade
    Modified SSAC headers, K&N Intake, 3.4 MPS, S1X, Gen V, 104's, HPTuned.
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  11. #11 Re: What part is this? (Anti-Freeze Leak) 
    SE Level Member Bologna's Avatar
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    Alright, thanks for the info and heads up.
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  12. #12 Re: What part is this? (Anti-Freeze Leak) 
    SE Level Member Bologna's Avatar
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    Alright, thanks
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  13. #13 Re: What part is this? (Anti-Freeze Leak) 
    Because Wet Leaves Hippo Machine's Avatar
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    No, there may even be a serpentine belt diagram on the passenger side strut tower.


    iLoveSpade
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  14. #14 Re: What part is this? (Anti-Freeze Leak) 
    SE Level Member Bologna's Avatar
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    Sweet, I plan on doing all this tomorrow. Thanks for the help guys
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  15. #15 Re: What part is this? (Anti-Freeze Leak) 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Coolant elbow

    SMGPFC Member #1
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  16. #16 Re: What part is this? (Anti-Freeze Leak) 
    GrandPrix Junkie Sandman's Avatar
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    You'll have a tensioner pulley you have to pull back to take both belts off. Pull the alternator, them you can pull the bracket off. May as well replace both of them, one is in the LIM and the other comes out of the waterpump. You can pick the elbows up at any parts store on the help idle. It's a pretty straightforward job and only takes me about 15 min to do.
    05 Saab 9-2X Linear (Saabaru)
    77 Morris Garage B
    Quote Originally Posted by TLSheff View Post
    You said "I'm done with it"... car says "Oh, really? *trollface*"
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  17. #17 Re: What part is this? (Anti-Freeze Leak) 
    SE Level Member Bologna's Avatar
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    Quote Originally Posted by Sandman View Post
    You'll have a tensioner pulley you have to pull back to take both belts off. Pull the alternator, them you can pull the bracket off. May as well replace both of them, one is in the LIM and the other comes out of the waterpump. You can pick the elbows up at any parts store on the help idle. It's a pretty straightforward job and only takes me about 15 min to do.
    How do I release the tensioner pulley? Is it that bolt that is in the middle of the pulley?

    I can't get to the second bolt on the alt bracket unless I get the belt off beause it's in the way.
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  18. #18 Re: What part is this? (Anti-Freeze Leak) 
    I live here. MoarkatsINmuhtrailer's Avatar
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    Quote Originally Posted by Bologna View Post
    How do I release the tensioner pulley? Is it that bolt that is in the middle of the pulley?

    I can't get to the second bolt on the alt bracket unless I get the belt off beause it's in the way.
    yes its the bolt in the middle of the pulley
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  19. #19 Re: What part is this? (Anti-Freeze Leak) 
    GrandPrix Junkie Sandman's Avatar
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    Quote Originally Posted by Bologna View Post
    How do I release the tensioner pulley? Is it that bolt that is in the middle of the pulley?

    I can't get to the second bolt on the alt bracket unless I get the belt off beause it's in the way.
    Its that bolt. You're going to have to take off the both belts to pull off that bracket.
    05 Saab 9-2X Linear (Saabaru)
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    Quote Originally Posted by TLSheff View Post
    You said "I'm done with it"... car says "Oh, really? *trollface*"
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  20. #20 Re: What part is this? (Anti-Freeze Leak) 
    GTX Level Member Elite6's Avatar
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    Make sure you replace both elbows while doing job. Also make sure the four insertion points are cleaned. I used steel wool then lubed elbow o rings with motor oil.
    2005 E55 - stock
    1999 GTP 2dr - 9" HAI | Headers | 1.84's | 3.4 | Ported SC|
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