Before servicing propeller, be sure the engine is in neutral with ignition off or disconnected to avoid any possibility of the engine starting and causing injury. Do not install any propeller without a thrust washer in place. If a thrust washer is not used, severe damage could occur to the propeller and/or engine drive. For Nissanо and Tohatsuо 40C, 40D, and 50D models: (more…)

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Prius doesn’t actually have a transmission, because there are no gears and the power carriers are permanently engaged. The illustration you see above is a simplified diagram of what Prius has for the transfer of power instead. It very closely resembles another component found in all vehicles, a differential. The only difference is that there are multiple sources of power, rather than just one; hence the name “Power-Split-Device”. And to keep references simple, you may call it the “PSD”.
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Instructions:
1. Remove the stock GM 245mm impeller hub by boring a 3.380″/3.385″ diameter hole on center in the stock GM 245mm impeller (see Figure 1).
2. Install the Sonnax CH-90CM-27 impeller hub from the outside. Weld around the OD of the impeller hub, making sure it is centered in the impeller. This weld must be leak-proof (see Figure 2).
3. Once the impeller hub is fitted, fixture the impeller assembly in the lathe. Turn the lip of the impeller so that it is 3.80″ from the end of the impeller hub. Then turn the OD down to 10.150″/10.145″ diameter, .40″ from the end (see Figure 3).
4. Install the adapter ring on the impeller assembly as shown in Figure 4 and weld around the OD of the impeller. This weld must be leak-proof.
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