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Post by AuroraGirlFromMars on Aug 10, 2021 1:29:05 GMT -6
So... hypothetically, say the thermostatic element is not properly working, what happens? Like all possible scenarios one could think of
Then hypothetically, what happens if its not present?
COuld it cause the warmed up level to be severely low on dipstick, so you add fluid, but then its overfilled severely, and then forward band is always applied no matter gear except reverse, except reverse is more a lot of noise but neutral
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Post by AmunRoo on Aug 19, 2021 16:55:40 GMT -6
Hope this gives a bit of insight or it might not help 😛
The thermostatic element (121) is located on the case and is designed to control the fluid level in the case side cover pan (53). This thermostatic element contains a temperature sensitive strip of metal that reacts to fluid temperature changes and open or close a fluid passage. At low temperatures, the thermostatic element exerts little pressure on the thermostatic elementplate (122) allowing fluid to drain into the sump. As the temperature of the fluid increases, the thermostatic element begins to apply pressure to the thermostatic element plate, thereby trapping fluid in the case side cover pan. This level of transaxle fluid is required in order to maintain the operation of the hydraulic system in the transaxle. It should be noted that when checking the fluid level in a Hydra-matic 4T65-E transaxle, it will be higher on the fluid level indicator when the transaxle is cold. Conversely, the fluid level will drop when checked at operating temperatures. This event is a result of the case thermostatic element functioning as explained.
A damaged or loose thermostatic element could cause fluid foaming or incorrect fluid level.
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Post by AuroraGirlFromMars on Aug 30, 2021 23:11:45 GMT -6
Yes I have service manuals, but I am hoping for more meat on what if its not correct. Because it definitely fell out when I replaced the filter, and I put it back on, but I did not know about the procedure for it and i guess im not even sure if it was right, etc.
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