02-01-2020, 03:27 PM | #1 |
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Coolant level for M6 grand coupe 2016
Hi guys need help on topping up coolant level
Low amber coolant top up alert came on dashboard How do we go about topping up? I noticed there are 2 caps when ur facing the car from the front hood open one on the top right and other on the left. Left one i can see it topped to the max as i can see its on the mark. The right one i cant see any mark at all, just a tunnel how high is the water level suppose to be ?? And why are their two? Which one does what. I filled the right one with approx 2litres still nothing happening still showing low coolant. Anyone has any ideas please |
02-01-2020, 04:59 PM | #2 | |
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02-01-2020, 06:08 PM | #3 | |
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02-01-2020, 06:10 PM | #4 | ||
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02-02-2020, 09:31 PM | #5 |
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Not sure how similar the engine in the M6 is to the 2013-2019 N63TU in the 650....but the N63TU has two separate cooling system. One is for the engine cooling...and the other is for the charge air cooling (to cool the turbos) and the two engine DME.
On the n63TU...the charge air cooling system reservoir is up front and center...and when you screw the cap off you can see the MAX fill line. The reservoir for the engine coolant is in the left front fender and the fill pipe is at the rear left of the engine bay (on the rear right if you're standing in front of the car looking toward the cabin. See the info below as to how to check the fill pipe for the N63TU...if the engine in the M6 is similar...the fill pipe is probably similar, too:
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02-03-2020, 09:55 AM | #6 |
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Did a quick search on the TIS website...and the S63 engine coolant is checked the same way as the N63TU...you measure down the fill pipe at the back of the engine bay:
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10-02-2020, 12:52 AM | #7 | |
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I cant tell if mine is full or not 🤷*♂️ |
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10-02-2020, 10:30 AM | #8 | ||
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If you have an old ruler, chopsticks. straw, or even a long handled utensil from your kitchen (like a spatula or wooden spoon)...this can be made into a tool to measure your engine coolant. Unscrew the cap to the coolant filler neck & stick the tool down into the opening...pull your measuring tool back out and see if the coolant level is in-between the two marks you made. If it is...then the level is fine. If the level is below the lowest mark (the 160mm or 6¼ inch mark)...then you need to add coolant. I made my measuring tool out of a pipe cleaner. I put a bend/hook at the top of the pipe cleaner (to prevent dropping it down into the filler neck) then drew marks at the designated fill levels with a sharpie pen.
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10-04-2020, 09:00 AM | #9 | |
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01-19-2021, 07:14 PM | #10 |
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01-20-2021, 03:58 PM | #11 |
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Perhaps some coolant has risen to the top and has dried and sealed the cap. Try a gentle tap with the handle of a screwdriver to see if that can break the seal. Also do this after the engine has cooled down.
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01-24-2021, 03:32 PM | #12 |
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Oh I figured it out.. it was pressured closed.. I had to press it down and twist lol
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