MahfiazB to Mechanic Advice@gearhead.townEnglish · 10 months ago

Drain and Refill or Flush 8L90?

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Drain and Refill or Flush 8L90?

MahfiazB to Mechanic Advice@gearhead.townEnglish · 10 months ago

3

I’m looking to get the notorious 8L90 transmission fluid swapped out with Mobil 1 LV ATF.

I went to the Chev dealer and they said they’d flush it. My mechanic said they’d change the transmission but not the converter, and also said a full flush of the system isn’t recommended as it has close to 100,000 KM on it.

Which option is better, does it matter?

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MahfiazOPB
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10 months ago
Okay cool. My mechanic said something about “they don’t do the TC”?

Is it just swapping the trans fluid? Or does the fluid go throughout the TC and transmission?

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