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Thread: Coolant Silica Bag Issues

  1. #11

    Quote Originally Posted by Lucas_R View Post
    I buy from various places depending on what Im looking for....
    Thanks
    Passat Alltrack MY16

  2. #12
    Did you also have to change your coolant spec ? I've read the G12Evo has replaced the G13, and wondering if the G12Evo requires a silca bag or not ? I've asked my local service manager, and they've referred me to Head office.....

  3. #13
    Join Date
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    I have a 2021 206 rline. Doesn't have the bag markings on the outside of the bowl... so I wonder if they stopped putting them in there after a certain date

  4. #14
    Quote Originally Posted by Bless_you View Post
    I have a 2021 206 rline. Doesn't have the bag markings on the outside of the bowl... so I wonder if they stopped putting them in there after a certain date
    Yes they stopped putting in the silica bags. So its quite possible yours doesn't have one. Although I don't know exactly when they stopped.
    Passat Alltrack MY16

  5. #15
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    My car is 2020 without the bag.
    MY20 MK7.5 Golf GTI - Tornado Red - LP/S&SP
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  6. #16
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    Quote Originally Posted by Bless_you View Post
    I have a 2021 206 rline. Doesn't have the bag markings on the outside of the bowl... so I wonder if they stopped putting them in there after a certain date
    Quote Originally Posted by curly747 View Post
    Yes they stopped putting in the silica bags. So its quite possible yours doesn't have one. Although I don't know exactly when they stopped.
    Quote Originally Posted by genebaby View Post
    My car is 2020 without the bag.
    They must have realised sometime in between 2016 and 2021 that the silica bag was a stupid idea and caused more harm than good. What a ridiculous and unnecessary idea that was.
    2017 Ford Fiesta ST
    2015 Audi SQ5 bi-turbo V6 TDI family hauler

  7. #17
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    Quote Originally Posted by Lucas_R View Post
    They must have realised sometime in between 2016 and 2021 that the silica bag was a stupid idea and caused more harm than good. What a ridiculous and unnecessary idea that was.
    What was the idea behind it supposed to be? Is it some sort of inert filter to collect nasties, like a charcoal filter (guessing charcoal could react with the coolant)?

  8. #18
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    Quote Originally Posted by dcsapira View Post
    Did you also have to change your coolant spec ? I've read the G12Evo has replaced the G13, and wondering if the G12Evo requires a silca bag or not ? I've asked my local service manager, and they've referred me to Head office.....
    G12Evo is the latest version of the coolant (they really should have called it G14 to be consistent, because calling it G12 makes it sound like its the predecessor to the G13).

    I used G13 coolant in my Mk7 GTI and also run G13 in my Audi SQ5 (having done coolant flushes on both cars) because I was not aware of the G12Evo at the time. The G12Evo is more environmentlly friendly apparently due to being made with glycerin.

    This is what I used for my cars: Meyle G13 Coolant
    2017 Ford Fiesta ST
    2015 Audi SQ5 bi-turbo V6 TDI family hauler

  9. #19
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    Quote Originally Posted by nermal View Post
    What was the idea behind it supposed to be? Is it some sort of inert filter to collect nasties, like a charcoal filter (guessing charcoal could react with the coolant)?

    the silica bag is designed to help the G13 coolant last longer.
    the newer cars which use G12evo coolant needs to b flushed more regularly, hence doesn't use/need the silica bag.
    MY17 Superb 162TSI, Business Grey, Tech+Comfort Pack, APR ECU+TCU Stg 1, SLA, Rieger Splitter + Side Skirts, Eibach Pro-Kit Springs, Hardrace Swaybar, TPMS

  10. #20

    Apparently silica is in coolant for corrosion protection properties. It depletes pretty quickly hence the idea of putting the silica bag in the reservoir. I have seen mention that Mercedes did the same thing in the past. I don't know if they still do.
    I mentioned the silica bag to a VW specialist who just replaced my brakes. He wasn't aware of it being an issue which was interesting. I think i will still change out my coolant reservoir. Mine looks like its dual walled so i can't access the silica bag.
    Passat Alltrack MY16

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