Duramax Radiator Replacement
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- Опубликовано: 9 апр 2020
- Duramax Radiator Replacement
This is the video I wish I had when I was replacing the radiator in my Duramax.
Here is the link to the Fel-Pro O-ring I mentioned in the video. It's still holding strong!
www.amazon.com/Fel-Pro-35705-...
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Thanks for watching! Happy wrenching! 
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Thanks for the video brother. I saw your other video on the O'Reilly lower rad hose O-ring. Good info!
I pull a 50' wedge and my LBZ radiator sprung a leak 14 hours from home in Wildwood FL. Advance brought me one and I put it in on the side of the road with a china freight tool kit! Lesson #1: Have a good toolkit in EACH vehicle...no more going cheap. Lesson#2: Have a better flashlight...cellphone battery doesn't stick with you for five hours. It was a real lesson. Put the hoses back on and the lower rad hose o-ring didn't like the new radiator and started leaking, my trans-cooler line also started leaking because the Advance o-ring was damaged. Ended up replacing the ENTIRE hose assy and put a new GM radiator in...problem solved and on my way home. WHAT A TRIP!!!!
I have a video of the tools I carry in my truck based on trips similar to yours. Go check it out. I'm glad you made it home!
Thanks
I was about to tackle this on one of a boss's work trucks where I had accidentally drilled a hole in the radiator. However after saying your video I realized some of the tools that were vital I have at home and don't have access to today and it's the day before Thanksgiving. Therefore I decided to put this off four more days! Thanks again
Leave the top radiator hose off after connecting everything else. The first 4 gallons can be poured into the radiator quickly and then connect that hose to the radiator and finish the last portion of the fill through the overflow tank.
Perfect video for me. Got done watching it and couldn't believe you only have 400 plus subscribers. Keep it up, great stuff. If you build it, they will come.
Thank you for the kind words! I needed to hear that today. Thanks for watching!
Right to the point, excellent advise. Merci
Good tips, especially filling fluid before putting everything back! And thanks for editing so we don't have to watch a 7 hour video !
Thanks so much for this video helped me out a lot. The only 2 things I did that you didn’t was remove passenger side intercooler hose and the metal that the holds up the air filter box👍 great video!
Glad it helped!
Great Video, I have a suggestion. I used a shop vac for sucking out the radiator fluid from the top. It worked really well, great video, thanks for sharing!!
Great video!
Thank you!
There is a bolt on top of the head, loosen it to help purge the air out. (It’s really hard to get a wrench on it. It’s right next to alternator and behind the motor oil input.) I had a coolant leak in my radiator. it was a Mishimoto radiator. With a life time warranty :) sent photos of the spot leaking a new one came 4-5 days later. I had 2 bad o rings on the oil lines. I’m waiting for the store to open tomorrow. Harder to get radiator out then to putting it back in. Ez job, Thanks for your help!
Cool tip! Thanks for sharing!
Just ran Accross this video and several things I found! I have a 2016 3500hd Silverado ltz dually. First my fan shroud was all one piece. Made getting the radiator out and new one back in a nightmare! My cross member did not come off either. After putting everything back together I checked the bottom radiator hose like you did and sure enough it leaked! Went to several auto parts stores and found the o-ring you referenced. It will not work on my truck. My o-ring was a lot thicker than the gel-pro o-ring. Ended up having to buy a new lower hose! No one had it except the Chevy dealer! Guess what? They were less expensive than any other place I could order one from! So be aware!
I have a 2015 duramax 2500 and the VW o ring is too skinny. Dorman 926-160 o ring is same as OEM. I also had to cut the fan shroud in half with a multitool in order to get the radiator out and then Frankenstein it back together with wire ties and plastic weld.
Very helpful. What brand radiator is that?
Hi good video thank you so much, help me a lot but what was the part number for the o ring
I took the lower hose off and when I did the o ring band and a plastic ring came out from inside the hose. Do you know in what order they’re supposed to go back in ?
Thanks for the intel! It saved the day
Glad it helped!
What psi pressure cap do you have on your LMM coolant tank?
You have a 2008, I have a 2007.5 LMM. What did I miss? I could not get the radiator out. Brackets on the radiator were hitting the intercooler connections.
Great Video man, Thanks.
How did it help the cooling?
Made all the difference. There was definitely sediment in the old radiator.
I got that oring this morning and sho nuff! I really appreciate that man because for some reason they don't have a listing on that damn thing when you call the parts store and I'm a heavy equipment mechanic and classic car buff and have a real good place I deal with but they couldn't even come up with a number. What type of Volkswagen did you say that is also used on?
I can't even remember the Volkswagen it comes from. I'd have to watch my own video again lol. It's a life saver though. I tried to get one through GM and it would've taken weeks and it was way more expensive. Glad this bailed you out I know it's saved my back side a few times.
Dealing with the same problem with the bottom rad hose leaking
Your awesome thank you SO much. Your video helped me cut that radiator job in half cuz after i watched it i knew right where i was going. Seeing the radiator down in the core support is a M*****F***** ain't it?! Holy sh** that was miserable getting the lower inlet down past the tranny lines. Diesels are so shoe horned in the engine bay that everything sucks
You're welcome! I'm glad I could help. It is a huge pain lol. Every modern car is.
@@youbreakityoufixit9594 yes I'll stick with my classic Chevrolets. But with an LS engine! But with a carb not fuel injection. Lol
@@walasiewicz I've actually got an LS coming up on my channel. I've worked on a ton of modern stuff but it's my first time swapping modern stuff into old stuff.
remove the battery, cross member.grill and air intake bracket, makes everything accessible and much easier. Plus you can clean out between the condenser
What year is your duramax? Wondering if that O ring will fit my LML?
It's a 2008. The O-Ring could be the same but I don't know for sure
What’s the part number for that o ring
Dexcool?
I don't know how to find that any chance you still have the part #? I'm old
Fel-pro 35705. I got you man
Can you please give me the part number on that felpro o-ring for the lower radiator hose I'm working on the same exact radiator replacement right now and spent 2 hours on the phone today and could only come up with a dormin number but I know if I can get a felpro number my local store will have it
There's a link in the description for it.
Google vacuum radiator tool....there's a air-operated gadget that creates a vacuum in your cooling system. It will flatten your hoses and then you use that vacuum to completely fill the cooling system without having to pour the stuff in for 15 minutes etc.
Bill, great suggestion!
@@youbreakityoufixit9594 just something I found out about after I'd already ordered an adaptor that I will add to my upper radiator hose when it arrives from the USA (I'm in Australia). I've also just ordered another fitting that will go into the lower radiator hose, that will make emptying the coolant really easy. Hre are the links: www.xtremediesel.com/xdp-duramax-radiator-drain-pipe-xd328
www.summitracing.com/parts/HRE-3436
Open the bleeder screw on the thermostat housing.
@@mikef6706 On the LML and newer there is no bleeder screw on the thermostat housing and even if there was, that isn't the highest point of the cooling system, which is where you need to bleed the air out from.
What will GM do next... No radiator drain, No bleeder screw...:(
i never did this before how long do you think it will take to do this junk
Plan for at least 4 hours without issues. 4 days with issues lol
? i can do that inless than 30 mins on a good day
@@ctlandscapemaintenancesolu494 you said you've never done this before so I gave you some grace time.
how long did it take to do from start to finish??
If you've never done one before I'd give yourself an entire day. Also, I ran into an issue with one of the O-rings in one of the radiator and this truck was down for a couple of days. I'd highly recommend grabbing the O-ring before you even start.
@@youbreakityoufixit9594 i had it out in a hour . really easy!
@@Reaglesracing44_ nice! I wanted to prepare you for the worst case scenario. You're an animal!
@@youbreakityoufixit9594 was really easy on mine. four bolts and the lines and hoses
Did it help?
Sorry for the delayed response. It helped big time! Never had a problem overheating while towing after I swapped the radiator and trans cooler
Could you please tell me the Oring part number? thanks!
Just found it thanks
I put a link for it in the description
I removed so many parts to remove radiator and “intercooler” to clean. Oh by the way if you have a intercooler the headlights and the crossover brace needs to come out first. I did not do this and put it all back together 😡. The radiator will not come out unless you do this Ahhhhh!
Great video I had stopped watching it at the point where you said it should come right out and pretty much had the same experience many curse words later it did
Sometimes it's just a lion fight
I was wondering if you happen to have the part number for that seal my lower radiator hose is leaking as well
@@Dingodogo220 it's linked in the description
There is a petcock on lb7
What year is your silverado
2008
@@youbreakityoufixit9594 mine is a 2011. I’m having the same problem with the lower hose leaking after replacing the radiator.
I’m picking up a O-ring tomorrow and hopefully that seals it.
Any other tips for the lower hose and seal I need to know?
Oh and thanks for making this video it helped me!
@@robertlambert5299 glad the video helped. Nothing else I can think of on the lower radiator hose. Its just a pain in the butt
Could you please tell me the oring part number? Thanks!
@@dennischapman7980 This is what I used and so far no problem.
Its a Doorman #926-160 Rad Hose O-Ring kit.