Thread: Coolant Elbow Replacement on a 99-00 GTP?

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  1. #1 Coolant Elbow Replacement on a 99-00 GTP? 
    GXP Level Member Iron Indian's Avatar
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    It been awhile since I really tore apart the top half of the motor. I want to replace BOTH coolant elbow on my 99 GTP, and on my GFs 00 GTP (one of hers is leaking I think). How do I remove that piece that has both elbows attached to it? I know you have to removed it anyway to get access to the rear valve cover. How many bolts are there? Its been so long I can't honestly remember. I put rockers in the 1999 over 5 years ago...

    Shawn
    Shawn W. Larsen

    2005 Pontiac GTO 6.0 LS2/A4... Stalled/Cam Only: 406 RWHP , 370 RWTQ

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  2. #2 Re: Coolant Elbow Replacement on a 99-00 GTP? 
    I live here. SyntheticShield's Avatar
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    If you pull the alternator and that alternator bracket you will be able to replace both of them. Autozone carries them in the Help section if you need to get a set. As for the number of bolts, I dont remember exactly. I think it was three for the alternator and three for the bracket? I believe both were 15mm.
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  3. #3 Re: Coolant Elbow Replacement on a 99-00 GTP? 
    SS-DD Level Member IndeedSS's Avatar
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    I believe Scotty is spot on. Just watch the bolts when you remove them, iirc a couple are not the same length as the others.
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  4. #4 Re: Coolant Elbow Replacement on a 99-00 GTP? 
    I AM PEWPIN! rynoman03's Avatar
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    You are correct. Pretty sure on 15 mm too.
    1999 GTPHP Tuned, Ported SC/TB, 42#'s, SSAC's, ZZP Modded 1.9's/LS6 Springs/Manley's, TransGo Shift Kit, Poly Uppers, KYB GR2's/Springtech's. - 231k and traded it in. - Gone
    2000 GTP: XP, P&P'd Heads, N*\Lq4 MAF, GenV, 42#'s, PRJ Rails\FPR, Racetronix, TEP w/ 3.29 Gears, 300m, 7/8" chain, SSAC's. - Collecting dust in my garage.
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  5. #5 Re: Coolant Elbow Replacement on a 99-00 GTP? 
    GT Level Member DuBob's Avatar
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    The alternator has 3 different length bolts holding it on, keep track which goes here because if you put a longer one where it isn't supposed to go, you'll send a bolt through the rear valve cover.

    As for the bracket, there are 2 visible bolts and one that's hard to see that's closer towards the power steering pulley. Those 3 are the same length though.

    As far as replacing the elbows, just pull them out of the alternator bracket....be sure to get them out completely because I have seen some leave a broken piece of plastic inside the bracket. Clean out the holes and install the new elbows with a little grease on the rubber o-rings, it helps them slide in easier.

    I get the elbows at Pep Boy's help section......they sell them for $4 for both while the dealer chargers over double that.
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  6. #6 Re: Coolant Elbow Replacement on a 99-00 GTP? 
    I live here. UR LOSN's Avatar
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    drain coolant first.....then when you get alternator off, remove 3 bolts..and just simply wiggle and pull bracket away.....should just come right out.

    if at all possible take some pics....and make a "how to"
    2001 GTP- PT76 turbo, Intense Drag cars old engine, Stage 4 Intense turbo cam,FMIC,150 wet,Double roller timing chain,Diamond forged coated pistons 8:0:1,Diamond piston rings,Cryoed L32 connecting rods,Cryoed crank,Clevite77 main bearings,Clevite77 cam bearings,Clevite77 L32 rod bearings,ARP Everything, Intense/meizere true billet Flexplate,Intense Wilson UIM/LIM,Intense oil pressure kit,Cometic,OE-R lifters,Cryoed L67 block,ATI turbo dampner,80# inject,Weldon 2035 fp,Aero Fuel Rails,AL cradle
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  7. #7 Re: Coolant Elbow Replacement on a 99-00 GTP? 
    I live here. SyntheticShield's Avatar
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    Quote Originally Posted by UR LOSN View Post
    if at all possible take some pics....and make a "how to"
    Good Idea, I dont think I have seen a really good HowTo for replacing both of the elbows.
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  8. #8 Re: Coolant Elbow Replacement on a 99-00 GTP? 
    I live here. UR LOSN's Avatar
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    HA!! beat ya to it......with the idea I mean....
    2001 GTP- PT76 turbo, Intense Drag cars old engine, Stage 4 Intense turbo cam,FMIC,150 wet,Double roller timing chain,Diamond forged coated pistons 8:0:1,Diamond piston rings,Cryoed L32 connecting rods,Cryoed crank,Clevite77 main bearings,Clevite77 cam bearings,Clevite77 L32 rod bearings,ARP Everything, Intense/meizere true billet Flexplate,Intense Wilson UIM/LIM,Intense oil pressure kit,Cometic,OE-R lifters,Cryoed L67 block,ATI turbo dampner,80# inject,Weldon 2035 fp,Aero Fuel Rails,AL cradle
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  9. #9 Re: Coolant Elbow Replacement on a 99-00 GTP? 
    I live here. SyntheticShield's Avatar
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    So you did, this time.
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  10. #10 Re: Coolant Elbow Replacement on a 99-00 GTP? 
    I live here. UR LOSN's Avatar
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    whats that suppse to mean? your already beating me on posts....I gotta have something

    LOL!
    2001 GTP- PT76 turbo, Intense Drag cars old engine, Stage 4 Intense turbo cam,FMIC,150 wet,Double roller timing chain,Diamond forged coated pistons 8:0:1,Diamond piston rings,Cryoed L32 connecting rods,Cryoed crank,Clevite77 main bearings,Clevite77 cam bearings,Clevite77 L32 rod bearings,ARP Everything, Intense/meizere true billet Flexplate,Intense Wilson UIM/LIM,Intense oil pressure kit,Cometic,OE-R lifters,Cryoed L67 block,ATI turbo dampner,80# inject,Weldon 2035 fp,Aero Fuel Rails,AL cradle
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  11. #11 Re: Coolant Elbow Replacement on a 99-00 GTP? 
    GXP Level Member Iron Indian's Avatar
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    Wish I had a camera, I would of done a How-To. I have one more chance when I do my 99 in a month or 2. Today I did my GFs 00. I honestly wish I didn't ask, As soon as I got the Alt off I figured it out instantly. Just 3 bolts equal length holding the bracket on. Took about 30 mins to do counting flushing + refilling the system...
    Shawn W. Larsen

    2005 Pontiac GTO 6.0 LS2/A4... Stalled/Cam Only: 406 RWHP , 370 RWTQ

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  12. #12 Re: Coolant Elbow Replacement on a 99-00 GTP? 
    I live here. SyntheticShield's Avatar
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    Good job. Yeah its more labor intensive than anything.
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