It isn't uncommon for them to ask you if you want one of these services. In most places, if a tech suggests a service or maintenance which you end up purchasing, they will get a larger percentage of that service in their paycheck then they would for normal things which you brought to them. I was told that my car needed a brake fluid exchange. Hi, I recently took my vehicle (2019 Honda Civic) which I bought in November 2018 in for an oil change. It is my suggestion the tech was trying to upsell you on what you needed done for the vehicle. Brake Fluid Flush/Brake Fluid Exchange : r/cars. You did right by refusing the oil change in your transmission. About the worst which happens to it is synchros break down over time, but really, that's so insignificant in the oil, I really shouldn't even be mentioning it. It doesn't have clutches inside which exhibit wear and flake off into the transmission fluid. It doesn't get hot like an auto tranny does. It doesn't see the wear/tear that an automatic does. To be quite honest with you, there's usually no need to change the fluid in a manual transmission. Some manufacturers may require fluid changes, so pay attention to what the manufacturer states and call it a day. NOTE: These are general rules about manual transmission. With all things for maintenance, you need to follow what the manufacturer states to do to get it done right, especially if you want to keep your warranty. You have to inspect the fluid, but there's nothing for changing it. If you look at the maintenance schedule for Hondas, you'll find there's no schedule for changing standard transmission fluid. However I think the way I said above is the best.Tl dr: Unless you have a leak somewhere in your manual transmission, leave it alone and don't worry about it. Honda even put out a notice that said NOT to do trans flushes. but its the best IMO.Īlso never have oil change place or JIFFY LUBE DO A TRANNY FLUSH on a HONDA. then when you see the DIRTY OIL start to turn CLEAN you turn car OFF. This way you are using the Trannys own pump, then while you start the car you pour in new FLUID at the same time as fluid is going out. You can take the hose going from the tranny to the radiator, * THE COOLER LINE * and remove it and place the hose in a bucket. The only ATF power flush I ever had was a BG procedure in an Acura Legend with 120K miles. Yet I've read on Honda Forums that these flushes can shorten the life of an A/T and should NOT be used. If there is a reverse flush involved, I would walk away or insist on what my mechanic does.Īnyone have any experience with Honda dealers doing the so called ATF power flush? None of my local dealers will do a simple drain and refill. So when your mechanic or shop says "flush," ask him what he really means and have him explain it to you. He now replaces the filter and the machine simply "feeds" new fluid in to replace old fluid under the AT's own pump. He then uses a Wynns machine in his business to replace old ATF. He does a drain and fill without filter change and then has his customers come in at the next oil change for the complete ATF replacement. The mechanic I work with gives his customers a two-stage fluid system cleaning. In the BG machines, step 1 is where apparently a cleaner is added and the fluid is circulated in reverse, or "reverse-flushed." So the BG machines in this stage have to use an internal pump to the mcahine to force the fluid in the opposite circulation path.Īfter the cleansing cycle, Step 2 is where new fluid is added to completely replace the old fluid under the operation of the transmissions pump. I think flush originally really meant a complete fluid "replacement" where whereby all crud would be expelled via new fluid replacing old fluid. I think what most people refer to as a "flush" is actually a fluid exchange.
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