That is correct. If the EGR modulator diaphragm is ruptured, the EGR valve will always be open, leading to a super lean air/fuel mixture and make it...
This figure shows the transmission seals. The select outer level oil seal is seeping a bit and I want to replace it before I change the tranny oil. ...
I don't know about the Supra diff, but I ended up putting an ARB RD90 air locker in my 2wd van. I can't say this for sure, but it's my understanding...