John Arriaga, Author at Transmission Digest
An accidental solution: When an issue resolves itself, but you don’t know why

Today I found myself working on a 2008 Chevy Silverado with a 4L60E transmission that wasn’t shifting correctly and whose speedometer was jumping around. After a short drive I was able to confirm the customer’s concern that the transmission had an erratic shift. I have seen faulty alternators that cause erratic speedometers, so I did

RR-Tech-September
Neglected Nissan

I came to care for this 2007 Nissan Altima that would go into limp mode with transmission codes.