Guest John Morreale Posted September 25, 2014 Share Posted September 25, 2014 I need to know just what oil to use in the hydro system Link to comment Share on other sites More sharing options...
Carbuff2 Posted September 26, 2014 Share Posted September 26, 2014 The system (Hydro-Electric) for the power top and windows recommended Brake Fluid ....... Be very careful because of what it will do to your paint if there is a leak in one of your cylinders so use Silicone brake fluid — DOT 5 — is silicone-based with a high boiling point suitable for motorsports, isn’t sensitive to absorbing moisture and doesn’t damage paint. But it is not compatible with conventional fluids. DO NOT MIX WITH CONVENTIONAL BRAKE FLUID SO YOUR SYSTEM SHOULD BE TOTALLY FLUSHED BEFORE INTRODUCING THE NEW SILCONE DOT 5 FLUID. Please do your own investigation to confirm this info. Link to comment Share on other sites More sharing options...
Guest martylum Posted September 29, 2014 Share Posted September 29, 2014 Hi John--I'm restoring a 53 70 series convertible Skylark and used modern automatic transmission fluid in both the Dynaflow and the hydraulic pump powering the top and the windows. Modern transmission fluid called ATF replaces both of the types of transmission fluids sold in the 50s. It seems a tough job getting to the pump reservoir underneath the RF fender but it can be done.Marty Lum Link to comment Share on other sites More sharing options...
jackofalltrades70 Posted September 30, 2014 Share Posted September 30, 2014 Will second using atf in the systemSent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
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