Coolant Loss
#26
MBWorld Fanatic!
Can you post the locations to Drain the Radiator and the Intercooler?
To others on here, you can ( if you want ) make a small donation via Amazon Gift Card to any Member that posts such valuable information to help us do car repairs. Its a nice way to say thanks To download the software, figure it out how to use it, get the correct procedure takes a lot of time and I'm sure many of us are extremely thankful for those that take the time to post and purchase the latest software for us to use...
To others on here, you can ( if you want ) make a small donation via Amazon Gift Card to any Member that posts such valuable information to help us do car repairs. Its a nice way to say thanks To download the software, figure it out how to use it, get the correct procedure takes a lot of time and I'm sure many of us are extremely thankful for those that take the time to post and purchase the latest software for us to use...
#27
MBWorld Fanatic!
Yes the top reservoir is for the low temp circuit which is the intercoolers. The turbos are fed by the engine cooling circuit.
The blue/pink coolant, we could have 2 identical cars and they shipped with different coolant, I never did come up with a real source as to what the logic was, either coolant will work just fine, but if you mix them it turns a really ugly color, just stick with what is in there.
I've never had to do a 278 water pump, saw a few 276 leaks at the base gaskets due to corrosion of the aluminum though. But we did hundreds of sets of turbo coolant hoses on cars with 40k+ miles. I'd bet money your lines are leaking.
The blue/pink coolant, we could have 2 identical cars and they shipped with different coolant, I never did come up with a real source as to what the logic was, either coolant will work just fine, but if you mix them it turns a really ugly color, just stick with what is in there.
I've never had to do a 278 water pump, saw a few 276 leaks at the base gaskets due to corrosion of the aluminum though. But we did hundreds of sets of turbo coolant hoses on cars with 40k+ miles. I'd bet money your lines are leaking.
#28
MBWorld Fanatic!
Can you post the locations to Drain the Radiator and the Intercooler?
To others on here, you can ( if you want ) make a small donation via Amazon Gift Card to any Member that posts such valuable information to help us do car repairs. Its a nice way to say thanks To download the software, figure it out how to use it, get the correct procedure takes a lot of time and I'm sure many of us are extremely thankful for those that take the time to post and purchase the latest software for us to use...
To others on here, you can ( if you want ) make a small donation via Amazon Gift Card to any Member that posts such valuable information to help us do car repairs. Its a nice way to say thanks To download the software, figure it out how to use it, get the correct procedure takes a lot of time and I'm sure many of us are extremely thankful for those that take the time to post and purchase the latest software for us to use...
#29
MBWorld Fanatic!
Pretty sure there isn't' one for the intercooler circuit. Radiator has one on the lower left corner. Will make a tremendous mess as it's not setup for a drain hose and it's above all the plastics.
Why are you changing coolant?
Why are you changing coolant?
#30
MBWorld Fanatic!
Do you have a photo or exactly where and what the drain would look like? Is it on the Front, Side, Bottom? What type of Drain Screw/Bolt. Thanks, any info would be appreciated.
For the Intercooler, I do a Drain and Fill of the reservoir every 2 years, its such a small amount, doesn't cost much. I do a brake Flush every 2 to 3 years on all my vehicles with the Motive System. Very easy process. Looking to do the rear diff next.
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Last edited by Nice Ride; 07-10-2022 at 01:06 PM.
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sweetcar (08-25-2021)
#31
Newbie
Thread Starter
Looks like you may have something here. Upon doing the water pump replacement they saw that the coolant lines were weak as well so another day for the coolant lines to be replaced. Also getting the control arm replaced due to failure.
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Nice Ride (08-25-2021)
#34
Senior Member
Those coolant lines go into the housing for the water pump so I would bet they broke when trying to remove then. Glad you were able to get the new turbo coolant lines. Hopefully they replace all of them.
Last edited by Jim Ma; 08-25-2021 at 11:34 PM.
#35
MBWorld Fanatic!
Looking for more specifics on these turbo coolant lines, but not finding them in the parts catalog I normally use ... https://www.mboemparts.com/v-2016-me...e--4-7l-v8-gas
RockAuto shows four lines, two supply (R and L) and two return. One has a picture that appears to be a metal pipe with a section of black material that must be the failure-prone plastic.
Are there just four of these? Does anyone have the actual part numbers?
RockAuto shows four lines, two supply (R and L) and two return. One has a picture that appears to be a metal pipe with a section of black material that must be the failure-prone plastic.
Are there just four of these? Does anyone have the actual part numbers?
#36
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Last edited by konigstiger; 07-02-2022 at 03:20 PM.
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leroysch (07-02-2022)
#38
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Last edited by konigstiger; 07-08-2022 at 11:06 AM.
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