Thread: 04 grand prix

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  1. #1 04 grand prix 
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    Winter is here and my hot air takes a while for it to get hot I know there is air in the system because my upper coolant line came off 2 months ago I want to do a flush to get the trapped air out how hard is it to do on my car ?
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  2. #2 Re: 04 grand prix 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Grab a dictionary and look up the word "Easy", that should explain it pretty well.


    A short and too the point flush would be remove both rad hoses, both heater core hoses and remove the thermostat. Take a hose and spray water through the rad, into the intake manifold and through one heater core hose/then the other. Slap it back together, fill through the thermostat hole and rad, then install thermostat and start it up and let it run. It should bleed just fine with the cap off.

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  3. #3 Re: 04 grand prix 
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    ok thanks going to do the flush tomorrow
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  4. #4 Re: 04 grand prix 
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    did the flush didnt take to long another question my passenger floor is always wet could the ac drain line be clogged and if so do you know the location of it
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  5. #5 Re: 04 grand prix 
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    Right here:
    An engine is an engine no matter the size.... I think Dr. Seuss said that... or maybe it was Big Weld....
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  6. #6 Re: 04 grand prix 
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    jacked up the passenger side tonight and took off the wheel and seen the little rubber elbow can i get to this from the top tryed to get it with the wheel off no luck ??
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  7. #7 Re: 04 grand prix 
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    You ain't going to you have to come up between the subframe
    An engine is an engine no matter the size.... I think Dr. Seuss said that... or maybe it was Big Weld....
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  8. #8 Re: 04 grand prix 
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    OK thanks
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  9. #9 Re: 04 grand prix 
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    Wet passenger side floor is usually caused by water dripping in from the cowl. You can get an updated part from the dealer, Amazon or eBay for around $10 and it takes 20 minutes to replace if you're slow. There are a couple of write ups on here, I believe in the "how to" section.
    2001 black GTP coupe, Gen V, ZZP S2IC & billet fuel rails, XP cam, LS7 lifters, 105# springs, ZZP MPS w/3.4 pulley, Northstar tb, LQ4 maf, ZZP headers, K & N CAI, Meziere electric wp, Caspers fp retire, F body front brakes, GMPP strut braces​, Don Rome strut brace mounts.
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  10. #10 Re: 04 grand prix 
    GTX Level Member Travisgt2's Avatar
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    The sooner it's taken care of the better because it goes through your blower motor. Mine did same thing 8 months later blower motor eats sh!t
    04 GT2: 180 t-stat, cold air intake, reptile tune, plog, hv3, gt1 cam, 90#springs, new push rods, new lifters, port polished heads, lim, uim and tb, 06 Impala brakes and steel brake lines. Cosmetic: black roof rails, under glow, Pontiac ground light, blue hud dic radio controls and cluster. To come custom hood.
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  11. #11 Re: 04 grand prix 
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    Is this what your talking about the deflector #15794785 I just did that last week
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  12. #12 Re: 04 grand prix 
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    Yes, that should have fixed the wet carpet on the passenger side. Some recommend that you also replace the blower motor/fan assembly as well since water has been running through it.
    2001 black GTP coupe, Gen V, ZZP S2IC & billet fuel rails, XP cam, LS7 lifters, 105# springs, ZZP MPS w/3.4 pulley, Northstar tb, LQ4 maf, ZZP headers, K & N CAI, Meziere electric wp, Caspers fp retire, F body front brakes, GMPP strut braces​, Don Rome strut brace mounts.
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  13. #13 Re: 04 grand prix 
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    the carpet is fine now just damp and would the blower motor/fan be going in the car sometimes dosent work till i hit a bump then turns back on and roughly how much is the blower motor and fan ?
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  14. #14 Re: 04 grand prix 
    GrandPrix Junkie spazzz's Avatar
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    Quote Originally Posted by gordster1122 View Post
    the carpet is fine now just damp and would the blower motor/fan be going in the car sometimes dosent work till i hit a bump then turns back on and roughly how much is the blower motor and fan ?
    40 on Amazon
    check rock auto
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  15. #15 Re: 04 grand prix 
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    do i need a new resistor to ????
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  16. #16 Re: 04 grand prix 
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    I replaced that first and it was the blower. I just left it in for world peace.

    I bought the TYC from Amazon. It has a strange whine that elevates with speed. Works fine.
    The Delco I believe from RA is about 80 and no doubt would be whisper level like the OEM.
    Do one at time if you dont care and find out which is the problem. My blower would start fine but then slowly slow down after it got hot.
    Getting water on it in the past didn't help the motor much. The resistor is pretty much out of the water path.
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