![]() Before contemplating a transmission fluid change and searching for the transmission fluid change cost on a Accord, see if you need to add transmission fluid. Those extra quarts are where most of the added cost lies.This video shows you how to add transmission fluid to your 2007 Honda Accord. Since the procedure uses new fluid to perform the flush, it requires several quarts of new fluid beyond the transmission’s final capacity. Unlike a simple pan drop, a flushing machine removes just about all the old fluid, including the fluid inside the torque converter. It drains the old fluid and holds it inside the machine while replenishing the transmission with new fluid. Since the way each shop performs a flushing procedure varies, you can’t know for certain.Ī typical flushing machine uses hoses that connect into the transmission cooling lines. The flushing procedure may direct the fluid in the opposite direction of normal flow, which may increase the risk of dislodging debris and causing it to settle somewhere it shouldn’t. And some people warn against performing a flush on a transmission using old, dirty fluid. Performing a flush also allows you to use a flush additive to help clean the transmission and more effectively remove accumulated sludge and other contaminants.įor one, it’s more expensive. Before the filter can safely capture the contaminants, however, they can lodge in the narrow fluid passages inside the valve body, leading to poor shift quality. These contaminants circulate throughout the transmission before lodging in the filter. Sludge and other contaminants can accumulate in the fluid due to extreme heat breaking down the fluid. Not only that, but performing a flush helps clean the transmission. It should also shift consistently and crisply since the new fluid will provide the correct frictional properties (old fluid loses its frictional properties over time). As a result, your transmission should run cooler and receive maximum protection against wear to clutches, gears and bearings. (And, as you can see in the image, new transmission fluid is preferable to old fluid). The benefits of a flush are self-evident: all the old, dirty fluid is replaced with fresh, high-quality fluid. At the end of the day, transmission flush is best avoided, as any damage caused due to it, can come heavy on your pocket, with you having to spend a fortune on repairs.". ![]() ![]() It also affects the efficiency of the new transmission fluid. Here is an excerpt: "On the contrary, it can block the valves of the engine by forcing chunks of contaminants in these valves, which, in turn, results in you experiencing rough shifting. Flush is not recommended because all the gunk that accumulated over the years will only mess up your tranny. ![]() Then just to be sure, I did another drain and fill x3 (4 total including the one the mechanic did when he replaced the radiator). But this summer, I had a transmission leak from the radiator transmission line so I replaced the radiator. The noise disappeared after the 3x drain and fill. The previous year before that, I changed only x1 and the noise remained. I did a drain and fill 3x last year because of transmission noise.
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