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Thread: Overheating- HELP!

  1. #1

    Overheating- HELP!

    Lately my Marauder had been overheating and the air only worked on extreme low and extreme high (no where in the middle). Today, I changed the thermostat to a 180 degree stat assuming that this would fix the problem. Once I started the car and drove it briefly, it began to overheat again. No heat would circulate although the engine was hot. Does anyone know what else could be wrong? Is there a sensor that could be bad?
    2004 Merc Marauder Black

  2. #2
    Join Date
    Feb 2003
    Location
    Purgatory, FL
    Age
    53
    Posts
    10,164
    Have you burped the system? It takes a little while longer than the typical cooling systems.
    (#6178 in black per FPIC)
    Call 1-800-FORD-788 and press "1". Have the last 6 of your VIN handy. You will get the numbers for FREE. You'll pay $$$ for the certificate.

    MM traded in 8/9/13 @ 128909 miles. It was fun for almost 8 years. I met airmercpun on 1/17/14. He was the new owner of my former ride. -Now gone.

    Update: back in the game with a late build 03 GMGS with some MM add ons like Escape audiophile radio w/Sirius sat radio, rear sway bar, catback exhaust, and header panel.

    Rest In Peace:
    Alex "Marauderboi" Vachon 3/2/92-8/13/10
    Paula Babineau 1/9/67-8/2/11
    Rex Weinbender
    Peter


    See my garage file for part numbers and whatnot.

    IMHO, this site- the members that I chat with- and the ones that I now Hang with- are like my 2nd family. There is such an ongoing welcome feeling here that even members who don't or no longer own the MM can feel.

  3. #3
    how do you burp the system?
    2004 Merc Marauder Black

  4. #4
    Join Date
    May 2003
    Location
    Edmonton, Alberta
    Posts
    3,074
    Quote Originally Posted by keithb123 View Post
    how do you burp the system?
    http://www.mercurymarauder.net/forum...archid=2179924
    2003 Marauder 300eh - Stock

    Born: 12/03/2002
    Adopted 02/17/2003

    Trilogy #243

    AVIC D3
    SS Inserts.
    Metco Control arms and Watts link.
    QA1 8 way adjustable shocks and struts.
    Addco front and rear anti-roll bars.
    Wilwood front brakes.

    I can't drive 55. I'm looking forward to not being able to drive 75 ether.

  5. #5
    Join Date
    Jan 2004
    Location
    Somewhere in the N.C. Triangle
    Age
    68
    Posts
    26,250
    Quote Originally Posted by keithb123 View Post
    how do you burp the system?
    Use the search function..........

    The topic has been discussed ad nauseam
    “When you can’t make them see the light, make them feel the heat.”
    Ronald Regan

    "The only way to deal with the Islamic State - these blood thirsty, blood-drunken, terrorists -
    is to kill them, keep on killing them, until you kill the last one, then you kill his pet goat."

    Lt. Colonel Ralph Peters

    “Be polite, be professional, but have a plan to kill everybody you meet.”
    "I come in peace. I didn't bring artillery. But I'm pleading with you, with tears in my eyes, if you **** with me, I'll kill you all"
    General James Mattis




  6. #6
    Also make sure the t-stat opens at 180!!! I have had many that never open or open way too hot, and there was a post here or on MCM about someone buying 3 or 4 and only 1 worked right.

  7. #7
    Join Date
    Dec 2004
    Location
    Orlando, FL area
    Age
    63
    Posts
    4,330
    There is also an electronically controlled fan assembly doohickey that went bad on Blue Thunder and caused overheating. Sorry I cannot remember it's real name.
    White Lightning Kiarauder:
    2011 Kia Forte EX Minisculus Pimpmobilius Extremus
    Built-in Nav, Bluetooth, USB port, aux/ipod jack, ]2 power ports and Sunroof! six speed auto trans w/ Sportmatic, dead pedal, rear-view camera. Voice cmd for radio, sat, nav, cell phone and MP3.
    Four very muscular, steroid-enhanced, genetically mutated, Mountain Dew injected, wild racing hamsters cavorting under the hood.
    ............................... ...................
    Black Thunder:
    2004 Marauder - Black w/black interior
    Sequence number is 39 of 3213
    Traded in 12/12/10
    --------------------------------------
    2003 Marauder - Dark Blue Pearl
    XCalibrator2/Reinhart tune
    Sequence number is 37 of 327
    10/10/2009 ---- Blue Thunder has gone on to a much better place -----
    Martyo's Garage!!!!!

  8. #8
    Join Date
    Feb 2003
    Location
    Purgatory, FL
    Age
    53
    Posts
    10,164

    Talking

    Quote Originally Posted by ckadiddle View Post
    There is also an electronically controlled fan assembly doohickey that went bad on Blue Thunder and caused overheating. Sorry I cannot remember it's real name.
    Cooling fan motor?
    (#6178 in black per FPIC)
    Call 1-800-FORD-788 and press "1". Have the last 6 of your VIN handy. You will get the numbers for FREE. You'll pay $$$ for the certificate.

    MM traded in 8/9/13 @ 128909 miles. It was fun for almost 8 years. I met airmercpun on 1/17/14. He was the new owner of my former ride. -Now gone.

    Update: back in the game with a late build 03 GMGS with some MM add ons like Escape audiophile radio w/Sirius sat radio, rear sway bar, catback exhaust, and header panel.

    Rest In Peace:
    Alex "Marauderboi" Vachon 3/2/92-8/13/10
    Paula Babineau 1/9/67-8/2/11
    Rex Weinbender
    Peter


    See my garage file for part numbers and whatnot.

    IMHO, this site- the members that I chat with- and the ones that I now Hang with- are like my 2nd family. There is such an ongoing welcome feeling here that even members who don't or no longer own the MM can feel.

  9. #9
    thanks for everyones help.
    2004 Merc Marauder Black

  10. #10
    Join Date
    May 2003
    Location
    Edmonton, Alberta
    Posts
    3,074
    Quote Originally Posted by keithb123 View Post
    thanks for everyones help.
    Did you get the problem fixed?
    2003 Marauder 300eh - Stock

    Born: 12/03/2002
    Adopted 02/17/2003

    Trilogy #243

    AVIC D3
    SS Inserts.
    Metco Control arms and Watts link.
    QA1 8 way adjustable shocks and struts.
    Addco front and rear anti-roll bars.
    Wilwood front brakes.

    I can't drive 55. I'm looking forward to not being able to drive 75 ether.

  11. #11
    Join Date
    Jul 2007
    Location
    Washington D.C.
    Age
    39
    Posts
    327
    Quote Originally Posted by keithb123 View Post
    Lately my Marauder had been overheating and the air only worked on extreme low and extreme high (no where in the middle). Today, I changed the thermostat to a 180 degree stat assuming that this would fix the problem. Once I started the car and drove it briefly, it began to overheat again. No heat would circulate although the engine was hot. Does anyone know what else could be wrong? Is there a sensor that could be bad?
    i just had a problem like that, and turns out it was the fan wasn't operating correctly

  12. #12
    Join Date
    Dec 2004
    Location
    Orlando, FL area
    Age
    63
    Posts
    4,330
    Quote Originally Posted by RoyLPita View Post
    Cooling fan motor?
    I think it was the thermostatic solenoid thingie that cycles the electric fan off and on as needed. Sorry that I am so mechanically challenged.
    White Lightning Kiarauder:
    2011 Kia Forte EX Minisculus Pimpmobilius Extremus
    Built-in Nav, Bluetooth, USB port, aux/ipod jack, ]2 power ports and Sunroof! six speed auto trans w/ Sportmatic, dead pedal, rear-view camera. Voice cmd for radio, sat, nav, cell phone and MP3.
    Four very muscular, steroid-enhanced, genetically mutated, Mountain Dew injected, wild racing hamsters cavorting under the hood.
    ............................... ...................
    Black Thunder:
    2004 Marauder - Black w/black interior
    Sequence number is 39 of 3213
    Traded in 12/12/10
    --------------------------------------
    2003 Marauder - Dark Blue Pearl
    XCalibrator2/Reinhart tune
    Sequence number is 37 of 327
    10/10/2009 ---- Blue Thunder has gone on to a much better place -----
    Martyo's Garage!!!!!

  13. #13
    Join Date
    May 2007
    Location
    Midwest Coast
    Posts
    678
    Old thread alert.

    Got the overheating issue. Trying to diagnose and test options before changing the thermostat. blazen71 and I burped it Saturday and it seemed to help, but the problem is back. I read somewhere that people have burped multiple times. How many times should I burp before giving up? And how full should the crossover tube be when I'm at operating temperature? Any advice would be appreciated.
    03 300A Black 1719/7839
    Current mods: FRP 4.10s, DR 93 Octane & shift tune, 8-clutch stock diff rebuild, bald tires
    Wish list: Eaton M112 kit and/or get bored and stroke it to a 5.0L

    Don't let friends drive stockers:

  14. #14
    Join Date
    Apr 2005
    Location
    Queens NY
    Age
    48
    Posts
    12,182
    Quote Originally Posted by xopher View Post
    Old thread alert.

    Got the overheating issue. Trying to diagnose and test options before changing the thermostat. blazen71 and I burped it Saturday and it seemed to help, but the problem is back. I read somewhere that people have burped multiple times. How many times should I burp before giving up? And how full should the crossover tube be when I'm at operating temperature? Any advice would be appreciated.
    With the car cold, fill the crossover tube as much as you can, then start the engine with the crossover cap slightly loose. Once you have no more bubbles your troubles should be gone.
    I've had to do it several times over the course of a week to get them all out.

    2003
    MERCURY MARAUDER 300A

    Build Date
    5/31/02
    Sequence#
    #363 of 7839 Black Marauders
    Dyno tested power
    450 RWHP & 405 RWTQ on 93 octane
    Best 1/4 mile time to date
    12.456@109mph
    Visit my Garage
    Blackened300a's Garage



  15. #15
    Join Date
    Jun 2004
    Location
    Hawaii
    Age
    60
    Posts
    41
    Quote Originally Posted by keithb123 View Post
    thanks for everyones help.
    Just checking if you ever found or solved the overheating issue?

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