What type of fluid for a 69 convertible top pump?
I've also seen a clear hydraulic fluid in one, but have no specs
I know this post is old but I have what I believe is the OE fluid in my 67 dart and it is clear.
Seems like clear power steering fluid would be the ticket?
Maybe the reason for atf is the seal swelling component.
I recall the FSM said "AQ ATF suffix A" For 67 dart. I have searched to find if it is clear back in the day, no luck!
Look what I just found...
"Released April 1, 1967. The original Dexron (B) fluid better retained the initial properties of the previous Type "A" Suffix "A" fluid (Several thousand cycles compared to 1000 cycles).[10] Dexron (B) was composed of a more stable, less reactive, hydrotreated Group 1 base oil plus additives for add non-foaming action qualities, high heat resistance, and anti-oxidation.[11] This was the first GM ATF to advertise 24,000 miles between changes.
This was the first GM ATF to require red dye as an aid in fluid leak detection. Prior to this fluid, GM ATF was the same color as engine oil. Aftermarket ATF was available with red dye"
So it looks like
Prior to mid 67 the fluid was clear, no red dye!
"1957 – Type "A" Suffix "A" Fluid Edit
1963–1966 GM Licensed Mobilfluid ATF Type "A" Suffix "A" GM License No. AQ-ATF-752A
1963–1966 Mobilfluid ATF Type "A" Suffix "A" Lid. GM License No. AQ-ATF-752A
In 1957, GM released a new Type "A" Suffix "A" fluid specification.[5] This fluid was better suited for the higher fluid temperatures caused by the unique torque converters[6][7][8] and higher power engines of the day. The fluid specification was revised again in 1958, 1959, and 1960.[9] GM continued the licensing program allowing oil companies to produce the new Type "A" Suffix "A" fluid under their own brand name. GM Licensed fluids had the Armor Qualification license number of AQ-ATF-xxxA. Example (AQ-ATF-752A) stamped on the can. This fluid is backward compatible with the Type "A" and Hydra-Matic Drive fluids produced from 1940 to 1957.
In 1959, Ford released their own automatic transmission fluid specification (M2C33-A) and stopped using GM fluid specifications. Also in 1959, Toyota released their Toyoglide 2-speed transmission; it used the GM Type "A" Suffix "A" fluid."
