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Thread: Overheating 4v

  1. #1
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    Overheating 4v

    I have a 1998 gt with a 4v swap that was running great for a while. Now its overheating and I'm almost out of ideas.
    I was driving home from work one day and I started puking coolant when i got into my neighborhood. The gauge in the car was still showing normal and the car did not appear to be overheating. I replaced the hose that busted and since then I've had overheating issues. I've replaced the thermostat, water pump and another hose that had a small leak. Now when i drive it will run hot but won't go past the L in normal, If i stop and unscrew the radiator cap and let some coolant out the temp drops a bit back to the M in normal. after letting some coolant out it start to run hot again and its a continuous cycle. after letting coolant out of the system i then get the low coolant light. I don't see any blue smoke coming out of the tail pipe or coolant in my oil so i don't think i have a bad head gasket. the coolant is clean and the aftermarket fan i am running works perfectly. The only other thing i can think to replace is my radiator.

    Am i missing anything?
    [IMG][/IMG][IMG][/IMG]
    01 bullitt - cruiser (01 bullitt with 278 cams, p&p 3 angle valve job pi heads, notched pistons on a stockish bottom end (big valve reliefs in the pistons and 4V oil pump)cai, long tubes off-road x-pype, bassini cat back, stage 2 clutch.
    Tuned by chris!) 294 rwhp and 301 lbft
    sn95 - Back In Blue - 1998 4v swapped, intake, exhaust, 3.73's
    fox body - project - (track pack) CPR
    1997 cobra - sold
    2008 F150 5.4

  2. #2
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    Have you burped it? Sometimes in the process of changing hoses and things with the cooling system air gets trap making it oveheat....you may want to make sure to burp it and get any air traped out of it, if theres any in the system

    Sent from my SM-G925P using Tapatalk

  3. #3
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    that would just be removing the bleeder valve on the crossover tube right?
    [IMG][/IMG][IMG][/IMG]
    01 bullitt - cruiser (01 bullitt with 278 cams, p&p 3 angle valve job pi heads, notched pistons on a stockish bottom end (big valve reliefs in the pistons and 4V oil pump)cai, long tubes off-road x-pype, bassini cat back, stage 2 clutch.
    Tuned by chris!) 294 rwhp and 301 lbft
    sn95 - Back In Blue - 1998 4v swapped, intake, exhaust, 3.73's
    fox body - project - (track pack) CPR
    1997 cobra - sold
    2008 F150 5.4

  4. #4
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    This is the way ive done it everytime.

    http://www.reischeperformance.com/refill.html

  5. #5
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    Thanks for the help! i did not do that because the thing on the crossover tube is stripped... Ill have to get it off and try it.
    [IMG][/IMG][IMG][/IMG]
    01 bullitt - cruiser (01 bullitt with 278 cams, p&p 3 angle valve job pi heads, notched pistons on a stockish bottom end (big valve reliefs in the pistons and 4V oil pump)cai, long tubes off-road x-pype, bassini cat back, stage 2 clutch.
    Tuned by chris!) 294 rwhp and 301 lbft
    sn95 - Back In Blue - 1998 4v swapped, intake, exhaust, 3.73's
    fox body - project - (track pack) CPR
    1997 cobra - sold
    2008 F150 5.4

  6. #6
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    know of any other ways to burp the system? I can't get the crossover tube bleeder off. The 1/4th socket is stripped, i tried heading it up and using vice grips but still no luck. any other ideas?
    [IMG][/IMG][IMG][/IMG]
    01 bullitt - cruiser (01 bullitt with 278 cams, p&p 3 angle valve job pi heads, notched pistons on a stockish bottom end (big valve reliefs in the pistons and 4V oil pump)cai, long tubes off-road x-pype, bassini cat back, stage 2 clutch.
    Tuned by chris!) 294 rwhp and 301 lbft
    sn95 - Back In Blue - 1998 4v swapped, intake, exhaust, 3.73's
    fox body - project - (track pack) CPR
    1997 cobra - sold
    2008 F150 5.4

  7. #7
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    I live in dickinson.i can stop by sometime and give it try. Text 832 256 7087. Dave

  8. #8
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    You will never get the air out of it without removing the bleeder.
    00 Mustang GTBullitMachSnake
    03 F250 6.0 the DD
    94 Ranger In too deep to turn back now

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  10. #9
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    After 3 days i finally got it off! that was way too hard! thanks for the help! and 86atang50 ill defiantly reach out to you when i need help.
    Thanks y'all
    [IMG][/IMG][IMG][/IMG]
    01 bullitt - cruiser (01 bullitt with 278 cams, p&p 3 angle valve job pi heads, notched pistons on a stockish bottom end (big valve reliefs in the pistons and 4V oil pump)cai, long tubes off-road x-pype, bassini cat back, stage 2 clutch.
    Tuned by chris!) 294 rwhp and 301 lbft
    sn95 - Back In Blue - 1998 4v swapped, intake, exhaust, 3.73's
    fox body - project - (track pack) CPR
    1997 cobra - sold
    2008 F150 5.4

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