Thread: How to tighten petcock?

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  1. #1 How to tighten petcock? 
    GT Level Member firstdue's Avatar
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    Ok, I have my coolant elbows, water pump, thermostat, LIM gasket, and plenum gasket replaced. I've let water run through the system for a little while, and now gonna run do a few fill/run/flush with just plain water....to get all the Dexcool out. I didn't have a problem getting the drain to open....but can't seem to get it to seal tight again. Just push the petcock in and then turn 1/4 clockwise? I might have broken it as it seems to just keep turning. Thanks!
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  2. #2 Re: How to tighten petcock? 
    SE Level Member DC1263's Avatar
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    RE : Just push the petcock in and then turn 1/4 clockwise? I might have broken it as it seems to just keep turning. Thanks!

    Not sure about the 1/4 turn? My 2006 has a threaded plug, I just reach down from the top put a 19mm socket on it and tighten
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  3. #3 Re: How to tighten petcock? 
    GT Level Member firstdue's Avatar
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    Yeah, this is on a '00 and it opens or turns with a 1/4 drive rachet in the the center of the plug. On the '00 its almost impossible to reach from the top. Easiest access is with the car lifted.
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  4. #4 Re: How to tighten petcock? 
    GrandPrix Junkie Sabrewings's Avatar
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    On mine I just turned clockwise until it stopped turning. It was more than 1/4 turn, I know that.
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  5. #5 Re: How to tighten petcock? 
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    I broke mine when i did it. that little plug is guided in and only goes so far, I think you broke yours too, since it keeps turning like that. I didn't care too much because I installed an over sized rad.
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  6. #6 Re: How to tighten petcock? 
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    Quote Originally Posted by DC1263 View Post
    RE : Just push the petcock in and then turn 1/4 clockwise? I might have broken it as it seems to just keep turning. Thanks!

    Not sure about the 1/4 turn? My 2006 has a threaded plug, I just reach down from the top put a 19mm socket on it and tighten
    Do all 04+ have this threaded plug on the radiator, or is this custom? I have an '08 and I've been wanting to drain the refill the coolant but I've been putting it off cause my old car was a real pain in the ass with no drain.

    I looked on my 08 but I couldnt see anything.
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  7. #7 Re: How to tighten petcock? 
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    Pull the lower rad hose and never touch that terrible drain cock thing that everyone hates.
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  8. #8 Re: How to tighten petcock? 
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    I was able to get to it on my 06 without jacking the car up. I removed some of the bolts in the cover under the car and was able to reach up and in to it.

    But yea. I'd say I hate it.
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  9. #9 Re: How to tighten petcock? 
    The Blue One blueguy's Avatar
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    The petcock is so much easier to get to than the lower rad hose...forealz
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  10. #10 Re: How to tighten petcock? 
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    you lie
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  11. #11 Re: How to tighten petcock? 
    The Blue One blueguy's Avatar
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    not with the skinny arms mod
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  12. #12 Re: How to tighten petcock? 
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    I took those bolts out of the cover under the car and even my fat arm fit
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  13. #13 Re: How to tighten petcock? 
    The mod from over yonder TheOtherNick's Avatar
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    Lower hose does not make a mess if you have a catch can under it.
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