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Intercooler Coolant Replacement

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Old May 10, 2022 | 09:54 AM
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Default Intercooler Coolant Replacement

Does anyone know the approximate cost that a dealer charges to replace coolant and bleed intercooler system?....Thanks
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Old May 10, 2022 | 01:37 PM
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That could be expensive if done correctly. Using the ZR1 intercooler bleeding tools it can take several hours to bleed the intercooler. Most dealer mechanics don't have any information on how much air should be left in the reservoir (two bubbles about the size of a quarter) so won't spend the proper amount of time to get the air out. You also have to make sure they realize the Corvette takes a 60/40 (water/coolant) mix Vs the 50/50 mix all the other cars in the shop take. The mix issue is easy to forget about since they don't change the fluid on Corvettes very often compared to the thousands of other vehicles they service each year.

Bill
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Old May 10, 2022 | 03:38 PM
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Originally Posted by Bill Dearborn
That could be expensive if done correctly. Using the ZR1 intercooler bleeding tools it can take several hours to bleed the intercooler. Most dealer mechanics don't have any information on how much air should be left in the reservoir (two bubbles about the size of a quarter) so won't spend the proper amount of time to get the air out. You also have to make sure they realize the Corvette takes a 60/40 (water/coolant) mix Vs the 50/50 mix all the other cars in the shop take. The mix issue is easy to forget about since they don't change the fluid on Corvettes very often compared to the thousands of other vehicles they service each year.

Bill
Thanks for the reply Bill.I'm the Apalachin guy, remember!! Anyway,I've got the coolant but trying to find someone to do this correctly is another thing....Thanks...Ron
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Old May 10, 2022 | 08:49 PM
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Originally Posted by ronzride
Thanks for the reply Bill.I'm the Apalachin guy, remember!! Anyway,I've got the coolant but trying to find someone to do this correctly is another thing....Thanks...Ron
Forget the dealer and find someone with an Intercooler Bleeder made by and sold by forum member Atljar. It's a 15 minute or less automatic job and gets all the air out from everywhere in the system.
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Old May 10, 2022 | 11:11 PM
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I was quoted $350.
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Old May 16, 2022 | 02:37 AM
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I'll bleed anyones system while u wait. Just south of Chicago by I80 and I57. I hook up system in 5min let run for approximately 20-30 min and unhook system in 5min. You go on you way and post a review of how the system worked and how much air was removed etc. If there's more work involved I'm not interested. If u want to change your fluid first and bring some by to put in the cooler bleeder. Or I have enough laying around to top off if you don't want to change the fluid.

This is considered a side job not actual shop with all the expenses etc. Not a vendor of the forum or anything. Not trying to be a vendor or shop of any kind. If this is against forum rules please delete and forget about it. Basically your review is the price you pay.

Don't want any cars dropped off or left owner must be present the entire time. No guarantees of any kind but if I can't pull one bubble out of anyone's system I'll be amazed. Just want to help out forum members and Jared. Once you see how much air is removed from his system you'll be a believer too.

No repete bleeds either. If u love how it worked buy a system from Jared. : )
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Old May 16, 2022 | 02:45 AM
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Oh if you have a g speed drybreak fitting even better. Jareds system will plug right in no mess no air entry nothing. If you dont have one, buy it with the funnel to fill and gravity bleed, its worth it.

I can also tell u the coolant percent with this nifty little gadget lol.


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Old May 17, 2022 | 08:33 AM
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I paid less than $200 at Corvette World Houston and they do have the correct tools to do this, as I now have two dollar coin size air bubbles on the top. It took less than 1 hour, too. I am only speaking out of my own experience here. Good luck, buddy.
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Old May 17, 2022 | 02:09 PM
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One more thing. Having two quarter sized bubbles in the tank doesn't mean there isn't air in the bricks.

The first time I used my cooler bleeder I didn't have it grounded good enough and it didn't work automatically. So I used the valves to manually draw vacuum and bleed the system. I got it down to barley two bubbles in the resivour and thought why not make a manual version that is cheaper and everyone will buy one. I emailed Jared and he said try a different grounding spot which I did and the auto mode worked. I also asked why not make a manual version and he explained that a manual system wouldn't be able to re-create the way his system works with the way the vacuum and intercooler pump timing worked. I was skeptical that there would be any difference between manually working the valves, and I also had the g speed switch for the intercooler pump, and automatic mode. I was dead wrong in automatic mode so much air came out that I thought I actually had a leak for a while. But the point is I had vacuum bleed the system and had two quarter sized air bubbles in my tank and his system pulled a lot more air out. Since there was no more air in the tank the only other place it could be would be the bricks. So everyone that thinks two quarter sized bubbles in there tank and they have all the air out is mistaken. GM says that too and there wrong.

I bleed the system before the winter but didn't get a chance to actually put some miles on the car after bleeding it until this spring. I can tell you my car pulls from 125 mph to 140+ way harder than it ever did before. Can't wait to take it to the track to test it. My local track is the Autobahn Country Club and it has short straights so my max speed has been right around 125. I bet I can easily top that now.
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Old Jul 15, 2022 | 08:28 AM
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I'm getting ready to do the 5 year radiator flush on my 2017 and was wondering if I should also get the intercooler flushed and refilled at the same time or are others leaving that job until later? I'll probably buy the bleeder tools and do it myself since the Z is going to be a lifer for me and I like to flush the radiator every 3-4 years. The 5 year mark snuck up on me ..

Thanks for your thoughts
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Old Jul 15, 2022 | 02:07 PM
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Originally Posted by edster75
Oh if you have a g speed drybreak fitting even better. Jareds system will plug right in no mess no air entry nothing. If you dont have one, buy it with the funnel to fill and gravity bleed, its worth it.

I can also tell u the coolant percent with this nifty little gadget lol.

I also have the same glycol-refractometer; very useful : )

Per the device, my stock coolant ratio was ~33%, even below that advertised 40%.

Last edited by X25; Jul 15, 2022 at 02:20 PM.
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Old Apr 7, 2026 | 06:54 PM
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Default Cooler air remover

Originally Posted by edster75
I'll bleed anyones system while u wait. Just south of Chicago by I80 and I57. I hook up system in 5min let run for approximately 20-30 min and unhook system in 5min. You go on you way and post a review of how the system worked and how much air was removed etc. If there's more work involved I'm not interested. If u want to change your fluid first and bring some by to put in the cooler bleeder. Or I have enough laying around to top off if you don't want to change the fluid.

This is considered a side job not actual shop with all the expenses etc. Not a vendor of the forum or anything. Not trying to be a vendor or shop of any kind. If this is against forum rules please delete and forget about it. Basically your review is the price you pay.

Don't want any cars dropped off or left owner must be present the entire time. No guarantees of any kind but if I can't pull one bubble out of anyone's system I'll be amazed. Just want to help out forum members and Jared. Once you see how much air is removed from his system you'll be a believer too.

No repete bleeds either. If u love how it worked buy a system from Jared. : )
Dealer quoted $300. When I dropped it off today then caller me today and said $900.
Can you please help I live in Manhattan contact me at (815) 531 7526.
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Old Apr 8, 2026 | 02:34 PM
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Originally Posted by Steve K Powell
Dealer quoted $300. When I dropped it off today then caller me today and said $900.
Can you please help I live in Manhattan contact me at (815) 531 7526.
thread is 4 yrs old. try staring a new thread looking for a cooler bleeder to rent. post location and state to find someone close
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Old Apr 8, 2026 | 03:05 PM
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Originally Posted by 9sec
thread is 4 yrs old. try staring a new thread looking for a cooler bleeder to rent. post location and state to find someone close
They're here : P
https://maps.app.goo.gl/LssTLiN8gURAuTpr5
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Old Apr 8, 2026 | 10:45 PM
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Originally Posted by Steve K Powell
Dealer quoted $300. When I dropped it off today then caller me today and said $900.
Can you please help I live in Manhattan contact me at (815) 531 7526.
Yup, that's pretty much the standard dealer price as nearly as I can tell.
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