12/24/2023 0 Comments Two speed powerglide![]() If you reconnect the linkage to the transmission, make sure that the vacuum modulator has manifold vacuum to it, the transmission should operate just like it did before the engine was rebuilt. With it not connected and you accelerate, the transmission is not getting the pressure increased from the "Kickdown" linkage, and thinks that the throttle is at idle and will have low pressure, resulting in soft application of the clutches, and a "neutral" sensation and soft high gear engagement, which is detrimental to the clutches. If it is not connected to the carburetor and adjusted properly you can have the exact symptom you are describing, and it will lead to transmission failure if not corrected. The "Kick-down" also has pressure control for the transmission upshifts. I believe that you answered your question with your comment "Wasn't sure if it was due to the kick-down not being attached on the carb". Wasn't positive if it was due to the kick-down not being attached on the carb and perhaps its stuck or what the problem could be? I started noticing that while driving right before it shifts it acts as if its in neutral and the rpms go up then it seems to catch the gear and shift. Hey guys, have a 67 c10 with a freshly rebuilt 327 and it also has the 2 speed power glide tranny, the trans wasn't messed with when the motor was rebuilt. tried both bolts for the tube and neither would give it an easy slide on connection. When we put it together we werent sure/couldnt remember which bolt on the trans the tube and trans dipstick mounted to. This tube? Red line, also where does the black lined hose connect? its connected to the back of the carb but idk where else it connects?įeels like the hose isnt straight on but its on. He'd probably charge only a few bucks-I've done all these repairs for free in the past, but was not mechanic'ing for a living at the time. DO NOT TRY ADJUSTING EXCEPT AS A LAST RESORT-EVEN THEN, HAVE IT DONE BY A TRANS PRO. Yet, linkage improperly adjusted could also cause this same condition. Find leak and repair.Īlso possible, but less likely: If the kickdown linkage happened to get hooked into wrong hole in carb linkage, or maybe not hooked up at all, it COULD very well cause this so-called "overrunning" condition.Įven least likely would be the linkage needs adjusting but the engine repairmen would not likely 'screw' the linkage out of adjustment. It should have good vacuum if not, the upper hose OR the tube is not holding vacuum. If both hoses are connected, start engine with neop. hose that connects tube to modulator-make sure it is hooked up. On the lower end of steel tube, there is another short neop. A short neoprene hose near the carb hooks a vacuum source onto a steel tube that goes down to tranny-it should be hooked up. They probably just left the vacuum line loose from the modulator. If it had no signs of this before engine work, you may be in luck. ![]() Hi, Gmtruckguy, got good news for you.and NOT trying to start an argument. What all would i do the "check it out" ive never messed with transmissions so i dont know anything about them ![]()
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