2003 Head Gasket Repair - Page 8
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Northstar Engines and System Technical Discussion Discussion, 2003 Head Gasket Repair in Cadillac Engine Technical Discussion; Yeah I lost one of the water pump cover bolts, do you think advanced sells those style bolts or will ...
  1. #106
    sts 03's Avatar
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    Yeah I lost one of the water pump cover bolts, do you think advanced sells those style bolts or will I have to go to the dealer?

  2. #107
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    I lost one of the water pump cover bolts, does anyone know if all four of them are the same studs bolts?

  3. #108
    MoistCabbage's Avatar
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    I don't think they're all the same (bolt/stud).you won't find them at any local parts or hardware store.

  4. #109
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    When i removed my Crossover alot more coolant came out

  5. #110
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    Idk I feel like they were all the same studs but not positive cause I had them all screwed in the crossover (with the cover off) I remember taking one out cause I was trying to tighten the lower crossover bolts and it was in the way.I looked on gmpartsgiant and it shows two different studs/bolts for the water pump cover , but it also says three required for each and the cover only uses four.I'm just going to the dealer.

  6. #111
    sts 03's Avatar
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    Found a water pump cover bolt a an AC Delco store, got everything back together just got to get some coolant.I just hope I didn't screw anything up in the process.

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    Do I have to mix the coolant and water first or can I pour a gallon of water then a gallon of dex cool then top off as necessary?

  7. #112
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    Re: 2003 STS coolant leak (possible crossover leak)?

    I do half a gallon at a time of each for 1-2 gallons and less after that each time.

  8. #113
    Dboy713(2000 Eldog) is offline Cadillac Owners Member
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    U should mix it

  9. #114
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    Just mix it in a bucket first.

  10. #115
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    Re: 2003 STS coolant leak (possible crossover leak)?

    Premixing is easier and far more accurate.

  11. #116
    sts 03's Avatar
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    Yea that's how I usually do it but it's dark cold and was just wondering for the first two gallons.

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    I got a leak from that quick connect fitting under the egr valve .I think it's for the heater hose pipes.is it supposed to snapped back in or do I have to squeeze the tabs to get it in? Is there a trick to getting it in?

  12. #117
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    Anybody know if the heater hose quick connect pipe under the egr valve is a pain to get it to connect properly or is mine damaged?I don't know why I didn't check it when the crossover was off cause I heard the plastic ring/clip in the part that screws in to the crossover can break.it's already a tight spot, is it suppose to connect easily? I took a mirror and looked in the metal fitting that screws in the crossover just under the egr , there is a lot of plastic chunks so I'm guessing that's part of the connector.I just don't know how it got broke that bad .

  13. #118
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    Anybody know what size socket/wrench or what tools to get the heater hose connector off the one that screws in the crossover just under the egr? .it's tight in there and I feel like a dummy not checking it when the crossover was out.

  14. #119
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    The big hex connector? Not sure what size. I didn't use the quick disconnect, I unscrewed the connector.

  15. #120
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    How did you unscrew it and did you do it while the crossover was still connected to the engine? I found a thread in here where a guy gave some instruction even with the dorman part number and all.it's a 27 mm (not deep socket) I hope this works.

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