The NHTSA analysis infers that it's an ATF low flow state into the 3rd clutch pack coupled with a surface roughness peculiarity on the 3rd clutch steels (the stationary plates in the clutch drum, sandwiched between the frictions). I don't believe it is a defect of the ATF. Third, that 3rd (pun intended) clutch is another matter entirely. Nearly every time, even on A/T's with well over 100,000 miles, those components appear to have the proper amount of wear for the given driving conditions, and look like they could very, very easily provide well in excess of another 100,000 miles of service. So far, all of the pics I've seen of 2002-2004 Ody A/T frictions and steels show that the Z1 does a great job at preserving clutch material on both sides of any given splined friction plate in the 1st, 2nd, 4th & 5th clutch packs. Second, the 2002-2004 Ody A/T's and the Acura TL A/T's referenced in that report are amazingly similar in construction, from top to bottom. Prior pages yield some excellent background information. One of the guys in your supplied link makes this claim with no material science (laboratory) or shop evidence, so I'm curious, for these reasons:įirst, those Acurazine guys found this great link: Who concluded that ATF-Z1 friction modifiers lead to excessive wearing of the clutch frictions? I'm just wondering how they arrived at that conclusion. I read the link (and others on Acurazine). But, I have the Racing ATF in my TL and it works great.Īnyone tried Redline Racing ATF in their van yet?Ĭlick to expand. This is where I felt most comfortable with my van. For me, I went with the D4 b/c it is a midpoint between the Z1 (highly friction modified) and the Racing ATF (no friction modifiers). I would be very interested to know if this fluid can also be used in our vans with no problems. For this reason, the TL guys have been able to run this fluid with no adverse affects. The Acura TL has an automatic throttle cutback feature during upshifts - this smoothes out the shift. Only you can determine when the right time it is for your van.Īs far as the fluid is concerned, the Racing ATF suggested on the other site is tried and true on those cars. My van has 92K and I changed them due to the transmission having slow upshifts and harsh downshifts. 50K and 100K miles are just simple guidelines to help with remembering that it may be a good time to change these out. You can use your discretion as to when the right time is for you and your vehicle. I recommend Redline D4 or Amsoil.įor more info, check out this discussion: These are parts # 10 & 11 in the diagram and are very easy to get to from the front wheel well.Īlso, I would highly recommend getting the factory Honda Z1 ATF out of there - it has too many friction modifiers and will eventually cause the friction plates to wear out prematurely. I just changed mine and it made a world of difference. It is a good idea to change these every 100K miles or so and will often fix any problems that you may be having. It is somewhat common knowledge among Honda transmission experts that the most common failure point on these units is the 3rd and 4th gear pressure switches. Eligible orders can receive parts fast with options like Same-Day Curbside or In-store Pickup or Free Next Day Delivery.I got this info from the Acura TL forum and it also applies to our van's transmission as well - they are the exact same transmissions.įor those of you who may be experiencing transmission issues such as delayed shifts, slow shifts, harsh downshifts, or anything of the sort, you may want to try this simple fix. Search for parts that fit your Odyssey at AutoZone by year, make, model, and engine size. The price for the transmission alone can range from $2,350 to $3,390. Replacing a 2004 Honda Odyssey transmission is not cheap or straightforward. If you experience slipping when the car is in gear or a burning smell in or out of gear, it's a good idea to have your transmission checked out. The 2004 Honda Odyssey transmission must work under high pressure most of the time, and it could contribute to a failure if it isn't maintained. Symptoms of a Bad Transmission & Replacement Cost The Honda Odyssey automatic transmission controls its gear changes automatically using computer-controlled hydraulics. The transmission has gears within it which allow for the largest range of wheel speed from a relatively small range of engine speed. The 2004 Honda Odyssey transmission takes power from the motor and uses the energy to rotate the wheels. If your 2004 Honda Odyssey transmission does fail, then you can find all replacement 2004 Honda odyssey transmission parts at AutoZone for a great price. Clearly, this is an essential part of the vehicle's drivetrain and if it were to fail, it would render the vehicle inoperable. A transmission takes the power generated by the vehicle's engine and sends it to the wheels via the driveshaft.
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