Mustang Radiator Replacement & Burp cooling system: Ford Mustang 1994-2004 GT, V6

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[@heavensfugitive6447]

By far the Best, most thorough straight to the point, how to video! Thank you. Stang Gang For Life!

[@aidensample1757]

Thank you! 17 years old and I’m trynna learn my car, big help man

[@solowstang9821]

Still got it?

[@Lethal_Venom]

I had to replace the radiator in my 94 Cobra not long after I got it. Actually started to leak the day before I was going to drive it 1,500 miles back home. Short term fix was stop leak for the radiator. I'd never do that again unless its a last option. That crap gets all through the coolant passages in the heads and everywhere else. Found this out after doing a head swap on it.

[@cpwiththegt4779]

Awesome man. Looks easy peasy. Going to address mine soon to come. Among the other things i need to do. Your channel is going to be very very useful to me here soon. Thanks a lot for your time Danny hope you and the family is well! keep up the vids : ) -CP

[@dannyjohnsonsgarage]

Thanks! Fun following you on IG too

[@joshuahiggins5313]

Can’t believe I gave someone 800 dollars to do this years ago so simple thanks danny

[@eastbayd5376]

Great job 👍🏾 well needed video for a bunch of us ✅

[@ranger87555]

Thanks for the great video! Much needed to help me with my 04 Mach 1

[@richarcm]

Last summer I was fighting an overheating problem. My Terminator was running 215-220 fairly regularly. I already had a 170 degree thermostat. Had already replaced the water pump. Had replaced the fan. I was about to drop some money on a larger radiator and some aluminum tanks. After doing some research I realized there might be something else I needed to do that I forgot. Something FREE! When I replaced the thermostat I forgot to lower the temps at which the fan turned on. Today it was about 90-95 degrees outside. I drove the car for about four hours. At one point, with the AC on while driving slowly through a parking lot, the car reached 210. But at all other points of my drive the car never went above 185-190.

[@rubenramirez8062]

How do you lower the temp at which the fan comes on?

[@richarcm]

Ruben Ramirez There should be settings in your handheld tuner that you can adjust.

[@taefully]

I always wanted two of the same cars one for racing an one for a daily but still fast as well

[@macknumber9]

I have 2004 automatic v6 mustang...noticed coolant is milky and pink...does not overheat...really thinking trans cooler is leaking...anyway to confirm this before buying a whole new radiator

[@duanepierson4375]

On the Fan, Check to make sure the fan motor mounting bolts are tight to the frame. On my ‘03 GT the fan bolts loosened up and allowed the fan to tip forward, and the fan ate in to the radiator. Had to replace the fan too, due to the holes in the plastic frame being oversized. Used fan assembly bolts were lose too, but snugged up okay.

[@dannyjohnsonsgarage]

My Chevy Silverado had the fan attached to the water pump instead of being electric. When the water pump went it also ate the radiator with the fan 😔🤦🏻‍♂️

[@HartlessthaSavage]

Great DIY Video 👌🏾!

[@brad325is]

unplug the fan, leave it bolted to the radiator. It will come right out with the radiator. Unbolt it out of the car.

[@mattleibrock]

I’m about to try this

[@joshuahiggins5313]

Good simple informative video. May need to get a new radiator that my drain plug is stripped… hopefully I can find a new drain plug and not buy a new radiator.

[@dannyjohnsonsgarage]

If you plug the drain plug and just pull the larger lower radiator hose to drain it instead, it should work fine

[@sotiriostsironas3940]

Hello and thanks for the video and info! I have a question though; when you fill the system with coolant using the upper radiator hose you mention that fluid is going to be coming out from the other end. If I am not mistaken, the other end is where the thermostat is; if the thermostat is closed (the engine is cold), how come fluid shows up there? Thanks

[@dannyjohnsonsgarage]

The thermostat will still allow coolant to come out, it will only restrict it.

[@sotiriostsironas3940]

@@dannyjohnsonsgarage Thanks for the reply! Aha! Ok, so it doesn't fully close, like 99% closed? Another question I have that may be relevant to the method; you mention that you are using the upper radiator as it is the highest point of the cooling system. What if a no-spill funnel kit is used with an extension (so it is the highest point) onto the overflow tank cup. Could that replace the method that you are showcasing or it will still not fill the whole system? Like fil las much as possible when the engine is not running and then start the engine with the heater on and the funnel always kept full, with coolant.

[@bigguyAidan]

You made this look way to easy compared to what I'm doing 😂

[@matthewpisano5549]

I have 2000 mustang gt auto I would like to upgrade 3 row. the engine is stock. what do you think about 3 row radiator.

[@dannyjohnsonsgarage]

It’s not necessary for a stock engine and my friend had over-heating issues even with his cobra on a bigger radiator. I’m sure it wouldn’t hurt but it won’t be a huge difference. Also make sure the radiator has the provisions for the automatic transmission cooler lines

[@snoopyplays1160]

If I'm just replacing the lower radiator hose do I need to drain all the fluids or no and put some back in after I'm done

[@dannyjohnsonsgarage]

You’ll lose a lot of coolant when you remove the hose. You can try to catch it in a clean bucket, but replace the hose and burp it as you see in the end

[@matthewpisano5549]

Hey what radiator would you use. Or recommended

[@dannyjohnsonsgarage]

If it is an automatic transmission it has to have the ports for the transmission cooler lines. If it’s a manual transmission transmission it would be this one amzn.to/3KWvOTa

[@matthewpisano5549]

Thanks yeah it's a auto trand

[@WheresWaldo05]

I dont think you are suppose to use the green silica based coolant on these engines since there is a better less invasive tech out now.

[@dannyjohnsonsgarage]

All makes, all models, has been working fine. You just don’t want to mix kzbin.info/www/bejne/iXzSapR-mbRqjbcsi=EMGYNPuerQ38ngjy

[@mattleibrock]

Will this eliminate any air in your system?

[@dannyjohnsonsgarage]

Yes, as you burp it in the end

[@mattleibrock]

@@dannyjohnsonsgarage would I have to burp it with a funnel and squeeze the hoses before I turn it on or can I squeeze the hoses when I start it and also I’ve heard you should n shouldn’t put your cap back on when the coolant level is about to rise out of your reservoir

[@johnlucero8237]

Where do you keep the coolant level in the reservoir? Right on the add line or above it and if so how far above?

[@dannyjohnsonsgarage]

It should be right on the full line when cold. It still has some room to expand into the left side of the tank (but that’s mostly for degassing)

[@johnlucero8237]

@@dannyjohnsonsgarage mine just says add coolant line I don't have a full line. Would I just keep it on the add line ?

[@porfiriosalas2800]

Yes

[@jorgelara8402]

I was changing my radiator from my 2004 gt and the line from the transmission that connects to the radiator the bolt doesn't wanna come out do you guys have any solutions?

[@dannyjohnsonsgarage]

I would disconnect the line at another joint on its way to (or into) the transmission, then once the radiator is out see if you can get on it better or even break the old radiator apart.

[@jorgelara8402]

Thanks I'll try that

[@stevewoh]

Idk if this issue for me deals with the radiator, but my issue is had the water pump replaced, manifold also, and yesterday the car smoked up with coolant and i look and the coolant escaped all under the car. I put more coolant to see if it did it again and driving for a little it atays but then something happens and it heats up after running it for a second, im guessing radiator cause i see coolant on the sides of it, any ideas?

[@dannyjohnsonsgarage]

Steve Vasquez Did it smoke from the engine compartment or out the exhaust? It can be leaking from the intake manifold near the front or rear or any of the radiator hoses that may not be on right. Also look at the water pump area to see if it’s wet

[@stevewoh]

Danny Johnson’s Garage the coolant went all under the car, but i saw coolant down by the radiator

[@dannyjohnsonsgarage]

Steve Vasquez Must be a coolant line assuming the radiator isn’t cracked.

[@stevewoh]

Danny Johnson’s Garage yeah i assuming radiator cause i didnt see anything ontop of the motor or side of it, saw a lot of fluid by the fan and side of radiator

[@stevewoh]

Danny Johnson’s Garage update, radiator is bad, litteraly was able to pull it in like 30 min but a tranny line thread is stuck so I rotate it and its like on the end and it just keeps rotating, i only have the bottom one left, but the thread is seized, i tried just doing the big bolt that attaches to the radiator but it doesnt budge. What is a suggestion ?

[@micahobaca]

Do some models not have a low coolant sensor on the expansion tank?

[@johnnysprocketz]

Every mess with the coolant drain plug on the block to the left of the starter?

[@user-rb2on3mw8p]

How much coolant was used

[@dannyjohnsonsgarage]

I believe 2-3 of the prestone jugs. If you buy the concentrate you spend a little less to use distilled water for half of it

[@robertj.pertillosr.6428]

I changed the radiator in my 02 mustang gt it runs fine doesn't over heat. The issue is when it runs for a while water comes boils out of the coolent tank. I also changed the thermostat and it still doesn't it.. any idea on what's causing this to happen.

[@dannyjohnsonsgarage]

If it’s boiling coolant the car is overheating. It may have a bad temp gauge so you don’t know. It’s very possible it’s the water pump. kzbin.info/www/bejne/bqC4nHR_qNBrh8U

[@robertj.pertillosr.6428]

@@dannyjohnsonsgarage it can be running hot even though the water temperature stays consistent 198 to 202 degrees. I have a SCT Tune connected also so I'm able to read air flow, water temperature ect and it doesn't go above 202 degrees and the cooling fan is working. It just boils over during test drivers

[@dannyjohnsonsgarage]

Robert J. Pertillo Sr. It should be 180* or its overheating. Water boils at 212 (a little higher when pressurized and with coolant vs water) but regardless of what temperature it’s telling you it’s over 212* if it’s boiling. If you burped the system and it’s still doing it my advice is the water pump

[@robertj.pertillosr.6428]

@@dannyjohnsonsgarage oh ok so I will replace the water pump this weekend and temp sensor because I have a new thermostat in it already hopefully this is the problem.

[@robertj.pertillosr.6428]

@@dannyjohnsonsgarage replaced the water pump and resvior cap still boiling out what else can I do?

[@NovaCaine2489]

For some reason the person who owned my 01 mustang put the overflow tank from a 2000 mustang in it, guess that makes that easier

[@NovaCaine2489]

Same goes for my new 2004, wierd

[@NovaCaine2489]

And I just figured out why they had the same, this video features a gt and I'm working on V6's, that makes sense

[@chrisclarke1965]

Will the 5.0 radiator work for the 4.6 model?

[@dannyjohnsonsgarage]

It might not mount in the same places. I’d see where the hoses run too, but you never know, maybe it will

[@jessicamena123]

How did you get the tranny lines off?

[@dannyjohnsonsgarage]

This was a manual transmission car so it didn’t have any, but they unthread at the radiator. I’ve heard some people say they’ve really had a hard time getting them off.

[@spaghetti_man3807]

The line has a plastic nipple on it, you have to pull while you twist. I used some WD40 on it as well, ended up getting it out by pulling with pliers while twisting.

[@Bloxkboyjt]

Wya I’m in Atlanta fix my shit kus I hate that car rn 😂😂

[@jesuschavez9110]

Wow that engine bay needs cleaning lol

[@dannyjohnsonsgarage]

Jesus Chavez YES

[@dannyjohnsonsgarage]

it’s definitely a work in progress kzbin.info/aero/PLIjr-uSYDZi4ANd5-arUpdgjednXf6HuH

[@khancross]

Does the original rad not have a drain plug?

[@dannyjohnsonsgarage]

It’s plastic, so I’ve had much better luck removing the lower hose to not break it. It also drains faster that way