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Thread: New Here From Ypsilanti Michigan. 2003 Marauder I Need HELP!!!!!!

  1. #1
    Join Date
    Nov 2019
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    ypsilanti
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    27
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    5

    New Here From Ypsilanti Michigan. 2003 Marauder I Need HELP!!!!!!

    Hi guys ...... I Just picked up a 2003 Marauder. Im having some overheating issues it looks to be a leaking intake gasket. Any tips on replacing that? I picked my 2003 Marauder at auction in Long Island New York. It has kook Headers, K&N CAI, BAER brake system, also there a cat back x pipe system with cut outs. I really dont know much about these mods or other mods it may have. I was looking for some suggestions or help so i can figue out whats going on. image1.jpegimage0.jpegimage2.jpeg
    Attached Images Attached Images

  2. #2
    Join Date
    Jun 2011
    Location
    Northeast OH
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    Duplicate...
    2004 SB Ported Trilogy 48
    Has supporting mods and stuff
    Thanks to Marty O for his help in updating this car.

    R.I.P.
    Rex "SC Cheesehead"

  3. #3
    Join Date
    Jun 2011
    Location
    Northeast OH
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    Many overheat issues due to air trapped in system..if anyone before you changed tstat, or opened system up, air can get in and cause a pocket that won't circulate. There is a burping procedure to rid system of air and still be full of coolant. Unless you see coolant leaking evidence, try this first

    https://www.mercurymarauder.net/foru...Burp-Procedure
    2004 SB Ported Trilogy 48
    Has supporting mods and stuff
    Thanks to Marty O for his help in updating this car.

    R.I.P.
    Rex "SC Cheesehead"

  4. #4
    Join Date
    Nov 2019
    Location
    ypsilanti
    Age
    27
    Posts
    5
    I have replaced the t-stat and water pump. Not getting heat, lower radiator hose is cold upper is hot, car is overheating

  5. #5
    Join Date
    Jun 2011
    Location
    Northeast OH
    Posts
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    Baer no longer makes the marauder front brake kit, not sure about replacement parts.
    2004 SB Ported Trilogy 48
    Has supporting mods and stuff
    Thanks to Marty O for his help in updating this car.

    R.I.P.
    Rex "SC Cheesehead"

  6. #6
    Join Date
    Nov 2019
    Location
    ypsilanti
    Age
    27
    Posts
    5
    It seems as if the coolant is not circulating properly. I have no idea on what the issue is but im hoping its not a head gasket issue.

  7. #7
    Join Date
    Jun 2011
    Location
    Northeast OH
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    You have air in system..these motors require them to be burped..read the link above
    2004 SB Ported Trilogy 48
    Has supporting mods and stuff
    Thanks to Marty O for his help in updating this car.

    R.I.P.
    Rex "SC Cheesehead"

  8. #8
    Join Date
    May 2009
    Location
    Moreau Island
    Posts
    11,554
    Burp it, as described in post #3 link

  9. #9
    Join Date
    Jun 2011
    Location
    Northeast OH
    Posts
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    Follow the instructions to burp the system of air..it has to be done or you won't fix it
    2004 SB Ported Trilogy 48
    Has supporting mods and stuff
    Thanks to Marty O for his help in updating this car.

    R.I.P.
    Rex "SC Cheesehead"

  10. #10
    Join Date
    Jun 2008
    Location
    Waukesha, WI
    Posts
    1,008
    This already seems to be a lost cause
    You "feel" the difference because you want to "feel" the difference. Since you just spent money on the upgrade you "have" to feel the difference

    2004 300A Procharger #0010 D1SC.
    2003 300A Procharger #0017 D1SC (SOLD)

  11. #11
    Join Date
    Nov 2019
    Location
    ypsilanti
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    Ok..... So far so GOOD........ the heat is blowing hot and the temp gauge is right in the middle.

  12. #12
    Join Date
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    Near Knoxville TN
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    Sounds like trapped air was a problem. Sometimes people put in a Mustang thermostat thinking it's the same. They're different. I believe there are only 2 options that work right. Stock or the lower temperature and expensive one from Reiche. Getting it burped is key. It usually takes several times to get all of the air out. Most of the temp gauges point approximately to the 20 mph speedo mark.
    Thanks to Darrin @ BC Automotive:
    $1800 and it was worse than when he started!

    Brian (FordNut) FPG # 1458 of 7838
    03 MM 300A (Lotsa mods, 130k mi) was 303rwhp/318rwtq N/A
    then 476/410 D1SC ProCharged on stock block
    then 660/555 D1SC PC on 5.3 wet sleeved Teksid alum big bore stroker
    then 365/369 N/A on 5.3 wet sleeved Teksid alum big bore stroker
    Now 751/617 3.4L Whipple on 5.3 Boss5.0 iron big bore stroker

    03 MM 300B Silver (Mostly stock, wife's car, 300k mi) FPG # 7053 of 7838 or 49 of 417 SB
    03 MM 300B Silver, Stock, 50k mi FPG # 7134 of 7838 or 89 of 417 SB
    01 F150
    00 F150 4x4
    68 Stang FB (70 351C 4V, 4 wheel discs, project car)

    Mods listed here (some items not current): FordNut's Mods

  13. #13
    Join Date
    Nov 2006
    Location
    Milpitas, CA
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    Quote Originally Posted by FordNut View Post
    Sometimes people put in a Mustang thermostat thinking it's the same. They're different. I believe there are only 2 options that work right. Stock or the lower temperature and expensive one from Reiche.
    Even RockAuto sometimes lists the GM stat as same for MM and it will not work for MM.
    2003 Mercury Marauder 300B (Daily Driver)
    1988 LTD Crown Victoria S

  14. #14
    Join Date
    Nov 2019
    Location
    ypsilanti
    Age
    27
    Posts
    5
    Thanks a lot!!!!!!!!! The Marauder is running great now....... anybody have any parts for sale???? I’m in need of a front driver seat and and a front bumper cover.

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