Now take your X-acto knife and strip the ends of all the wires, exposing the inner conductors.Īll you have to do now is twist the red and black wires from the Everflows to the connectors of the old fans, then seal each one up securely with electrical tape.
Instead of taking out the wires and changing the connectors, what I did was also snip the wires on the new Everflow fans in the middle, leaving a bit of slack on those too.Īt this point you're left with red, black, and yellow wires without connectors on the Everflows, and a red and black wire for the old connectors.Ĭompletely cut off the yellow wires on the Everflows - we don't need them. Once again we're going to notice that the original power supply fans are two-prong and that the Everflow fans are three-prong. After you've snipped them, pull the connectors out with the rest of the slack coming from inside the cable tie. We're trying to salvage the connectors with some slack left over since we need the slack for later. Take an X-acto knife and snip the two fans' red and black wires, but make sure to snip it more toward the fans, NOT near the connectors. You'll notice that there's a little white, plastic cable tie holding the fans' cables together. Remove the connectors from the power supply's board. When the two fans are out you'll notice that the metal casing that flips up a bit will reveal the area that the two fans are connected to. You don't have to take it off completely since it'll lift up enough so that you can slide the two fans out. After they're out you can lift up on the side of the power supply and the side metal casing will come up a bit, exposing the internal area of the power supply. There will also be 4 screws holding the fans in place. When you have your fans ready and the power supply ready to be opened, there will be 2 screws on the side and 3 screws on top of the power supply to take out. Note 2: Make sure you have a skinny screwdriver to fit into the top holes so you can reach the screws below. We want either a Volcano 5 or a Volcano 6 Cu The Cu+ has a different fan than the regular Cu. Note 1: do NOT buy the Thermaltake Volcano 6 Cu+. Unfortunately these fans are hard to come by on their own, so I bought one Thermaltake volcano 5 heatsink+fan combo and one Thermaltake Volcano 6 Cu heatsink+fan combo.īoth of these have the Everflow F126025DH fans and all you need to do is unscrew them from their heatsinks. I replaced the originals with some Everflow F126025DH fans. I didn't quite go that far and just left the bundle of cables still-routed inside the G4.Īs you can see there's enough slack to get the power supply as exposed as you need it to be to start replacing the fans. By following the Apple guide above, you can get to the point where the power supply is out of the computer totally. I got it as solid as I needed it to be but just to be sure, use some kind of tape and get it sat in there as firmly as you'd like. It may jiggle a little, but a little jiggle is no big deal. When installing the Silenx, you'll notice that it's not quite as thick as the original. I plugged the Silenx into the adapter, then the adapter into the back of one of the loose molex connectors laying underneath the CDROM bay in the front Thankfully the Silenx also comes with a molex adapter. I thought that by plugging in just two prongs from the Silenx fan into the fan power plug that it would work, but it didn't for me no matter which two were plugged in. The Silenx comes with a 3-prong connector. The old fan comes with a 2-prong connector. All you have to do is follow the guide from Apple above, unplug some cables, remove the front CDROM bay and switch the old one out with the new one. We'll be replacing it with one called the SilenX 120x120x38mm - 18dBA - 90CFM iXtrema Pro Fan (IXP-76-18). The easiest fan to replace is the case fan. One is the large case fan, and the other two are fans are in the power supply. There's a total of 3 fans that need to be replaced.
Visit here for pictures, instructions and the official Apple document which will help you remove the internal hardware of your G4 to gain access to the fans. The G4 MDD is nicknamed the windtunnel because it's loud.
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