Complete transmission flush

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lbv150

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Thermal valve is there for a reason....the clearances in a modern servo transmission need the oil to be at a certain temp for viscosity and circulation.
 

07navi

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They need to quit playing games and put the plugs back in the converter and pan. Next there won't be a pan and they will call it a lifetime or throw away trans (Biden will like that).
 

max78

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They need to quit playing games and put the plugs back in the converter and pan. Next there won't be a pan and they will call it a lifetime or throw away trans (Biden will like that).

1999 Honda CRV is exactly that. There is a drain plug for the trans fluid.

But there is no serviceable filter or anything like that. We have put just over 210k on it so far.
 

07navi

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My 2000 Excursion had converter and pan plug plus a lifetime oil filter. Ford is going backwards...ridiculous.
 

MrBlargMan

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How do they raise the temp? That one Ford tech on YouTube says the exact opposite of what you are saying. My Ford tech also said it was pointless because of the thermostat. Their machine does not heat the fluid, and you can’t force the fluid. Just curious because there are a lot of techs that say otherwise. I would love to hear what they do to overcome the thermostat.

A simple and light "brake torque", or throttle application of around 1200RPM with the vehicle in gear while holding the brakes, will safely heat the fluid in the torque converter as the engine driven impeller is spinning, but not transferring any motion to the turbine. Once the fluid has reached operating temperature, the thermostat will open, and it will be free to flow into your fluid transfer apparatus. A lot of newer flush apparatus even include hardware for transmission thermostat bypass on applicable applications.
 
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