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coolant

  1. M

    Coolant pipe behind alternator

    I have a 2006 mercury mountaineer, 4.0. I am in the process of replacing the heater control valve and noticed the coolant line that runs behind the alternator and to the thermostat is very rusty/ needs replacing. I can't find the same part in a parts diagram or on rockauto etc. Has anyone...
  2. M

    2014 PIU - which coolant to use?

    Hi, Really quick question. Does the PIU really need *only* the orange Motorcraft coolant or will in reality any coolant do? It's 2014 and has a little over 142k miles on it. Thanks!
  3. M

    2005 Ford Explorer 4.6L thermostat replaced. Burping air out

    I just replaced the thermostat with a OEM thermostat from Ford per recommendation from a smog tech due to code 0128. I am in the process of burping the air out. Does anyone have any ingenious ideas on how to burp the air out besides driving up a steep hill or squeezing the big rubber hose ...
  4. TsherryUSA

    Solved OHV Coolant change doesn't take full 3 gallons?

    So I did a coolant change today. After draining the old coolant, I couldn't get 3 gallons of distilled water in the radiator even with running the engine. I threw some extra in the reservoir and drove for 15min with normal engine temp. After the engine cooled, I drained the distilled water...
  5. M

    Hi world! Help please? Coolant leak

    Hey guys, this page has been extremely helpful thanks to all of you. I’m really new to this DIY car stuff and this website has been a life saver. I have a 2000 ranger xlt 3L V6. I’ve recently come across a coolant leak under the bottom of the engine and I’m not sure where to start investigating...
  6. S

    2002 Expo cooling system boiling and OD OFF light flashing

    I am having some issues with my 02 Expo, 4.0L v6. First, some background. I bought it last April (so ~16 months ago) and it had a thermostat housing leak. Not a big one, so I didn't get around to fixing it until a few months ago. In that time I drove the truck thousands of KM without an issue...
  7. M

    2016 Explorer Sport Coolant Flush

    Question for the knowledgable. I had almost 70k miles when I recently did a coolant flush & fill. My concern is the amount of old fluid I was able to extract. The manual shows a capacity of 3.38 gallons, but I was only able to drain about 1.25 gallons. I pulled the radiator plug, opened the...
  8. Z

    No coolant flow

    Hello I have a 2002 Ford Explorer XLT 4.6 L. 2w. With 198768 miles on her. Maintenance kept up oil changes changed every 5000.Change the radiator because it was leaking. Put new radiator hoses and the crossover hose elbow on. put in new Factory coolant with distilled water a new Ford 190...
  9. N

    Coolant leak! Where is it coming from?

    Hey everyone. I have a 2001 Explorer Sport Trac 4X4. So I've been having radiator issues and the like for a while. First it was just a leaky upper hose but now I'm losing tons of coolant from somewhat near the front of the engine. I can actually see it dripping but I can't see the source. I'll...
  10. I

    5.0 foamy oil

    I have a 97 5.0 and I was wondering what caused the foam in my oil fill we just had a bad snow storm in northern Wisconsin and I spent my night pulling people out untill I got stuck on a rock hard snow drift it was framed and at a pretty aggressive angle the front drivers tire was off the...
  11. F

    Introduction and engine troubleshooting

    Hi all, This is my first post! I removed my radiator to work on the crankshaft seal and after putting it back together noticed the a/c compressor clicks on and off while idling, and when its off and the pulleys locked in place im guessing that's placing strain on the belt and causing the engine...
  12. S

    Coolant change fluid type

    I am going to replace the coolant on our 2002 B2300. I have no problem paying for the factory OEM fluid. The fluid appears to be original. I looked in the owner's manual for the type, called Mazda to see if they have it, and they said they do not make that anymore, but have an orange...
  13. L

    Engine coolant recommendations?

    i searched on the forum for recommendations but didn’t see any for a first generation. So I have a 93 Eddie Bauer (100k miles) I bought 3 months ago and the coolant is running low. I want to take it to the mechanic and have it drained and replaced with new coolant so I can just add it myself...
  14. J

    Mystery Coolant Leak 4.0 SOHC - Any Ideas?

    Greetings, Looking for help on where my coolant is going to... Have an 02 Explorer with the 4.0 SOHC engine, high miles (286K). Coolant has been disappearing from the system at about 16+ ounces a week but can't find where it is going, have checked the following: Pressure tested the system, It...
  15. H

    Hissing sound after engine is shut off

    2006 eb v8 ex. Usually after a good drive when I shut my engine off it makes a hissing sound almost like something depressurizing, I listened to it with the hood popped and it sounds like it's coming from the ac area on the passenger side, I've noticed that there will be random leaks, there's...
  16. T

    Coolant Leak Help

    1999 Ford Explorer LTS 4WD, 4.0 L V6 SOHC. Long story: engine overheated, white steam from the hood. Got it home, and saw a bunch of residue by the upper radiator hose (next to that metal bracket thing that connects both upper radiator hoses: radiator to pipe and pipe to engine). Took them off...
  17. D

    Coolant Not Circulating?

    hi everyone, First off, thanks to all of you for providing such a wonderful resource for Explorer owners across the world; you guys have saved my butt a few times already. I'm hoping you all can help me diagnose what's going on with my 2003 w/ the 4.6L V8: I replaced the valve cover gasket on...
  18. B

    2004 Leak

    Alright so, my 2004 is leaking coolant right below the rear passenger door and it looks like its coming from a black bracket that I can't see how to remove, or replace. Is rerouting the rear coolant lines back to the front and option? Or what should I do
  19. R

    Radiator Expansion Tank Hose

    Hey everyone, just want to say thanks for all the helpful information through the years, but now I have a question that I have been struggling to find an answer. I am working to solve a coolant leak issue in my 2002 Sport Trac. Over the summer, I replaced the radiator, upper and lower hoses...
  20. 2

    Mixed Up Sensors?

    I replaced my coolant sensors almost a year ago and I’m worried I have them backwards. I’m using the dy-1144 sensor to control the gauge on the drivers side one wire connector, and the SW5174 fan switch for the computer sensor on the passenger side two wire connector. Any experts here that can...
  21. 2

    Head Gasket Advice

    Back in 2015 my heater hose broke and caused my vehicle to overheat, and I’ve replaced every gasket down the lower intake since then, due to leaks. I started getting a misfire(p0304) a few months ago and was losing coolant. I added some k seal and it went away. I drained the radiator to get rid...
  22. D

    Minor Coolant Leak - help ID this part?

    Howdy ya'll, My 1996 Explorer 4.0 XLT has a minor coolant leak coming from the passenger side of the engine compartment. I have looked on numerous parts sites and diagrams and I can't find the part number/name where it's leaking from. I've searched through other coolant leak threads here on...
  23. O

    Coolant PH Level (7.2) Too Low?

    I have a 2017 platinum currently at 20K miles. I recently checked the coolant PH level with a meter. It reads 7.2. Can'f find the normal coolant PH range of this OEM coolant (Motorcraft orange). Does anyone know if it's within the normal range? I know from high school chemistry class that 7.0 is...
  24. B

    Where the heck is the coolant going?!

    Need a bit of help here. Just did a 750 mile round trip to visit the daughter at school. The morning after each leg of the trip, the radiator was about 1/2 gallon low on fluid. I've got no puddles under the vehicle, no liquid on top of the engine, can't smell it driving down the road, no...
  25. T

    Resistance values

    I will be checking my coolant sender and gauge sensor soon and I'm trying to find the resistance values for them but am having no luck. Anyone know the values for these? It's for a 03 ST
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