westaus29 Posted October 1, 2021 Report Posted October 1, 2021 A friend has a 38 Chrysler royal. Been started regularly but not driven lately due to bad weather. Took her yesterday for a spin and noticed she didn't drop into overdrive when cruising on the highway. This is a problem and how to fix. Any ideas appreciated Quote
knuckleharley Posted October 1, 2021 Report Posted October 1, 2021 I didn't even know there was such a thing as a overdrive in 1938 Chrysler Royales. Quote
knuckleharley Posted October 1, 2021 Report Posted October 1, 2021 Just now, knuckleharley said: I didn't even know there was such a thing as a overdrive in 1938 Chrysler Royales. I know the one I owed when I was a teen sure didn't. Quote
westaus29 Posted October 1, 2021 Author Report Posted October 1, 2021 This one is a RHD 7 passenger assembled in Australia and it may have had OD added later as I recall the restorer (who is no longer with us) had one on the shelf that I admired. I think it is manually activated, will have to check. Quote
Dodgeb4ya Posted October 1, 2021 Report Posted October 1, 2021 Make sure the OD shift cable operates and is in the correct OD engagement position. Also check that the transmission and OD part of the transmission are full of oil. If the oil level in the OD section gets too low the sun and planet gears sieze up and prevent the overdrive operation. That transmission if original type would be a centrifugal engagement type.... R6? Quote
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