coolant

  1. P

    Help with overheating 4.6 4v!!

    I recently purchased a 96 mustang cobra and the car was overheating so I flushed and replaced the coolant, but no help. Every time I drive the car for about 20 mins the engine bay smokes and theres hot coolant leaking from the reservoir. After some research, I am going to replace the thermostat...
  2. I

    Engine Crazy coolant boiling for unheard of reason?

    Been having problems with coolant boiling up and out of the cap on my '06 GT after I drive it longer than ~10 minutes. Tried to use the Autozone coolant pressure tester, but every time I try to use the tester's pump, the pressure never holds and I can hear/feel air hissing up out of the...
  3. W

    Mach1 2003 coolant leaking rear of engine

    What should I do to determine where the coolant leak is? It is leaking coolant where the pictures show onto the sway bar usually then to the ground. I cannot see a leak in the back on the engine like where the heater hoses are. What should I do to troubleshoot this? This is NOT condensation like...
  4. T

    Engine What in the world is this hole?

    Alright, so long story short, I bought a block second hand after I ventilated my last one at VIR. I'm on the process of putting everything back together and found this hole on the driver's side, circled in green. Its stripped out and I'm pretty sure I'll have to drill and tap it to stick a new...
  5. B

    Coolant eruption... car cranks but won’t start... HELP please!

    So I was performing maintenance on my 99 v6 3.8 this past weekend, I replaced the valve cover seals and lower and upper intake manifold gaskets. Reassembled the engine completely and started it up. Car ran for approximately 15-20 while I was bleeding the coolant system. I loosened the upper...
  6. K

    Fox Coolant Leaking

    yesterday I was changing engine oil when I noticed that there is some coolant leaking (one little hot drop on My Head :scratch:). As I replaced the water pump last month so I thought one of the hoses claps not tie enough. I start inspecting and I found some rust and little coolant drops coming...
  7. paddyrk

    New radiator, still overheating

    Hello, I have a 1991 LX with a rebuilt 347 stroker, and it keeps overheating. I run straight water with royal purple, (water wetter) but when I am sitting and idling, even even park the temperature keeps increasing. I run the hp efi system so I know the temperature is accurate, but it will stay...
  8. R

    2006 4.0 Coolant Pouring Out Coolant Reservoir - Help

    2006 Ford Mustang 4.0L V6. 130k Miles on the car, Engine is a Jasper Remanufactured engine with 38K Miles. Hey Everyone. Been a long time follower of this site, but this is my first post. Really looking for some help with this issue. Drove my car home from work on Friday and everything was...
  9. T

    Coolant Temp Sensor Stuck In Manifold Please Help

    Hi everyone, i cant get this coolant temp sensor out of my manifold, broke the top of it when i was replacing my intake manifold gasket. it wont turn and i tried everything from a socket(when one fit) to vice grips. and i cant seem to get it to turn. i even heated the surrounding metal and...
  10. O

    02 Mustang Gt Coolant Flush Problem!

    I bought a 2002 Mustang GT for my first car a couple of months ago and checked the coolant. Yupp, looked like iced tea! So I decided to to do a flush. First I drained it and took out the petcock for better flow and will replace after flush but not very much came out so I thought that I was just...
  11. T

    2001 3.8 Coolant Leak Near Intake

    I have coolant pooled up under my upper intake manifold near my passenger side valve cover. I recently replaced my thermostat and have a coolant sensor that I still need to put in. I can't tell if it's leaking from a cracked manifold or if it's a bad intake gasket. Which is more likely and how...
  12. S

    Engine 95 Gt Fine At Idle Overheats At Speed

    Hey guys, Relevant upgrades: TFS aluminum heads and stage 1 cam, recent downsize from my 3rd 3 core aluminum fluidyne radiator to a 1 core O'Reilly (Lifetime Warranty), also a 160* thermostat(down from the initial 180* recommended by the guy I purchased the car from, but having chronic heat...
  13. THEUNDERCOATER

    Coolant Overflowing / "low Coolant"

    Hey guys Replaced the water pump and thermostat about a month ago as water pump was failing and leaking out of weep hole. I have put a few hundred miles on the car. All of a sudden the temp gauge rises pretty high on a cool early morning ride to work. The more RPM and fan action would help...