The Fbird now has 45K miles so it got a full flush and new filter at a local shop. They use Valvoline brand synthetic Dexron VI fluid (exceeds Dexron III for our trans). Checked on the net, and apparently Valvoline synthetic Dexron is a highly touted product. That was good to read.
Didn't expect to feel any difference but I was wrong. The shifts are very consistent now, where sometimes 1-2 would be harsh, especially under light throttle, and other shifts would vary in smoothness. Now they are always the same (depending on throttle). 1-2 is still firm, but smooth, and all shifts are smooth, nothing feels "grabby" or "sticky".
I know I went longer than the service manual says to go for a full flush, but things just got really busy this summer, and its not cheap. Ended up paying $130 for flush plus filter. And they didn't complain about the trans cooler, said they could get to the connection in the return line to open it up just fine.
Glad its done, and will do it again in about 30K or so.
Didn't expect to feel any difference but I was wrong. The shifts are very consistent now, where sometimes 1-2 would be harsh, especially under light throttle, and other shifts would vary in smoothness. Now they are always the same (depending on throttle). 1-2 is still firm, but smooth, and all shifts are smooth, nothing feels "grabby" or "sticky".
I know I went longer than the service manual says to go for a full flush, but things just got really busy this summer, and its not cheap. Ended up paying $130 for flush plus filter. And they didn't complain about the trans cooler, said they could get to the connection in the return line to open it up just fine.
Glad its done, and will do it again in about 30K or so.
Comment