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Motive brake bleeder adapter

P_S_Chang1

New member
Location
MD
Just want to confirm that Motive adapter #1100 and #1109 will fit on a Mk 7.5 GTI master cylinder. Motive's website says the inner diameter "at the threads" for those adapters is 45 mm, but when I measure the master cylinder cap on my car, I'm getting 43 mm diameter when measured between the peaks of the threads. Thanks.
 

OldVWFan

Go Kart Newbie
Location
NW Arkansas
Car(s)
17 GTI Sport
I have a Mk7 GTI and these adapters work on mine, one is plastic and the other is aluminum. I think that the overall diameter is measured and not between the peaks of the threads. I doubt if VW would have changed the master cylinder reservoir and cap just for the change in the exterior appearance.
 

P_S_Chang1

New member
Location
MD
Thanks, all. I should have explained that I had a fitment issue w/ my 2016 Mazda CX-9. The cap didn't match the measurement of Motive's recommended adapter, so I reached out to them and they said it should fit. It didn't. So I didn't want to deal with that annoyance again.
 
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