Resto Q & A (2 Viewers)

[pb4ugo]

Use GL4. GL5 isn't compatible with some of the parts in the trans. Residual gear lube can get trapped in the bearing retainer that doesn't drain back into the tranny.

 

[firemanj92]

What purpose does that serve?

Cuz if you can't break the fill plug free/1st and you drain the oil, one can't fill it.

 

[3_puppies]

Cuz if you can't break the fill plug 1st and you drain the oil, one can't fill it.

/this\
you want to make sure it can be refilled before draining