Transmission refill after fixing pressure control solenoids

Joined
Oct 12, 2018
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85
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Chennai TN India
I have a 2012 Hyundai i10 (with the 1.2 liter kappa engine) that had its pressure control solenoid fail on me - even after I’d drained it last year and filled with a (don’t laugh, please) Liqui Moly atf fluid that said it supported Hyundai SP III. In any case that’s fixed and the mechanic said to change the fluid again in another 6 months - apparently not all the old atf fluid had drained out even if I did remove the oil pan, during the first change.

Worth doing the multiple cycles of drain and replace to remove all the old oil, I guess?
 

CleanSump

Site Donor 2022
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Dec 13, 2019
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1,038
Yeah, a pan drop won't drain the cooler lines and torque converter. I there isn't a drain plug on there torque converter, there could be a gallon of old fluid in there. And once you drive, it's all mixed with the new fluid.
 

SureshR

Thread starter
Joined
Oct 12, 2018
Messages
85
Location
Chennai TN India
Yeah, a pan drop won't drain the cooler lines and torque converter. I there isn't a drain plug on there torque converter, there could be a gallon of old fluid in there. And once you drive, it's all mixed with the new fluid.
Ugh yes that's right. OK back to drain and refill a few times then. Thanks! And do I drive for six months or just will a couple of dozen miles or so do in order to mix the fluid?
 
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