Transmission Fluid Level

Greg C.

Active member
Oct 11, 2019
256
23
28
I have not been able to positively identify the level in my trans since changing the fluid a few months back. It seems to run and shift okay, but I
would feel a lot better if I knew the fluid level was correct.

I have searched the forum, and the most absolute method I have read about is the one where you remove the modulator valve and add fluid until it just
begins to come out.

I've textured the dipstick also without much, if any, success in being able to tell for sure where the level is.

My question is this: The modulator valve method states to run the engine to get the fluid circulating in the converter and lines. I may be just stupid
here, but no one has stated (that I have found) if you leave the engine running when you pull the modulator valve or have it shut down. Which is the
correct method?
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Greg Crawford
KM4ZCR
Knoxville, TN

"Ruby Sue"
1977 Royale
Rear Bath
403 Engine
American Eagle Wheels
Early Version Alex Sirum Quad bags
 
After further searching, I found the answer. Rob M. states to turn the engine off before removing the modulator valve. I should have kept looking...
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Greg Crawford
KM4ZCR
Knoxville, TN

"Ruby Sue"
1977 Royale
Rear Bath
403 Engine
American Eagle Wheels
Early Version Alex Sirum Quad bags
 
I may have read it here but if you pull the dipstick to check the level, use a clean paper towel behind the business end when reading. If you hold
them both still and together the fluid should stain the paper towel at the actual level.... making it a BIT easier to transpose to the calibration
marked on the dipstick.

Larry
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Larry - Victoria BC -

1977 Palm Beach 40,000 miles, PO said everything working but forgot the word NOT. New Atwood fridge, water heater & furnace. New SS exhaust system,
6000w Onan, Iota Converter, R134A A/C, New fuel lines & heat exchange hoses
 
That dipstick method also works on oil dipsticks.
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Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana