Re: Wanted - A/T vacuum Modulator 1956 Caribbean

Posted by humanpotatohybrid On 2024/7/2 6:49:00
Quote:

Wmsue wrote:
Not leaking A/T fluid.


The only way the fluid gets low is from leaks; it does not evaporate. Example: walking up to a car parked 20-30 years and pulling the dipstick to find there's plenty of oil left is the norm, not the exception.

Point is, once you add it, it will start leaking... somewhere. So just be prepared for that. Probably when the transmission is running, unless it's leaking from the pan gasket or the things threaded into the pan.

Side note, to properly check the level, you set the parking brake then shift into neutral with the engine running, then wait 1 minute before taking the reading. This ensures the converter is full. Or: remove the plug in the rear of the case. Put a catch pan underneath. Add trans fluid until it starts to run out. Cap that, then add 1 more quart. Capacity is 11½–12 qts total.

Note: this rear case plug is different than the drain plug and the dipstick nut, both in the pan.

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