That makes the most sense to me! I’m going to be changing it out this week, and I’ll keep up with it really closely after that. Truck was out of commission for a little while over the past few years, hence the delay in service.
I have a 1987 Chevrolet Silverado R10 (700 R4, 10-Bolt Rear) that has a leaky rear differential. I have all that I need to replace the gasket, but I am going to be putting new fluid in, and wanted to see what would be best. Background information: the rear end was rebuilt back on 10/18/2016, and...