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How to Replace Radiator Fan Clutch 01-05 BMW 325Xi

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  1. step : Disconnecting the Battery (0:25)
    • Loosen the 10mm nut on the negative terminal
    • Disconnect the negative terminal
  2. step : Removing the Air Intake Duct (0:54)
    • Pry up the clips from the air intake
    • Remove the air intake duct
  3. step : Removing the Radiator Fan and Fan Shroud (1:18)
    • Disconnect the electrical connectors
    • Remove the T25 bolt from the fan
    • Pry out the push clip from the fan shroud
    • With a 32mm fan clutch tool and pneumatic air hammer, loosen the fan clutch from the engine side
    • Once loose, spin the fan off without letting it fall
    • Remove the fan and fan shroud
  4. step : Removing the Radiator Fan Clutch (4:28)
    • Remove the bolts from the fan and the fan clutch with a 5mm hex socket
    • Remove the fan clutch
  5. step : Installing the Radiator Fan Clutch (5:32)
    • Connect the fan clutch to the fan
    • Tighten the three 5mm hex bolts to the fan
    • Torque the bolts to 89 inch-pounds
  6. step : Installing the Radiator Fan and Fan Shroud (6:27)
    • Insert the fan and fan shroud simultaneously
    • Tighten the fan to the engine side with a 32mm fan clutch tool and pneumatic air hammer
    • Torque the fan nut to 22-29 foot-pounds
    • Press the push-pin to the fan shroud
    • Tighten the T25 Torx bolt to the fan
    • Connect the two electrical connectors
  7. step : Installing the Air Intake Duct (8:22)
    • Insert the air intake duct into place
    • Press in the clips to the air intake duct
  8. step : Connecting the Battery (8:44)
    • Connect the negative terminal
    • Tighten the 10mm bolt to the negative terminal

What's up guys? I'm Andy from 1A Auto. In this video I'm going to show you how to replace the radiator fan clutch on this 2001 BMW 325xi. If you need this part or other parts for your vehicle, click the link in the description, head over to 1aauto.com.

With the trunk open over on the right side or the passenger's side, there should be a cover that goes right here. This vehicle doesn't have one, but you don't want to remove that cover. Battery is located right here. First thing I'm going to do is take a 10 millimeter socket and ratchet. Loosen up this nut for the negative terminal. That's loose. Slide off the cable, slide it out of the way.

I'm going to take these push pins out right here. Just going to use some side cutters. Get this center pin. Pull that up, and then slide it out. Be careful not to cut it. Get those out. Let's grab this piece, slide it out. We're going to disconnect this connector right here. Just push down on that. Slide that out. Another connector right here. I'm going to slide the wiring out first just like that, and then the connector will come out. Just slide that to the side like that. I'm going to take a T25 and a ratchet. Take this screw out right here.

I'm just going to use this trim tool from 1aauto.com. Take this push clip out. Get in there. Pull that out. All right, now that is loose. But what we need to do is we need to take the fan off because the fan has to come out with the shroud as one. What we need to do to take the fan off is we need to disconnect the fan clutch from the engine side. This is attached to one of the pulleys right there. Sometimes these are somewhat difficult to get off. So what we're going to do is use this tool. We actually sell this at 1aauto.com with many different sizes. This happens to be the 32 millimeter. That's going to slide on there and then we slide this on. And with a pneumatic air hammer we're going to give it a couple of bumps and it's going to loosen up that nut and we should be able to get it off.

All right, so now I'm going to take the tool. This fan clutch happens to be on their reverse thread, so it's going to seem like you're tightening it, but you're actually loosening it. We'll go like that. Put our air hammer on there. Make sure you wear hearing protection and eye protection.

All right, so that's loose. Took a little bit of effort but I got it. Now you can slide the tool off. I'll just move it a little bit. There we go. You should be able to just spin it off like that. You might need the tool once in a while. Or you could use a wrench that fits, 32 millimeter wrench.

All right, now I'm just going to keep loosening this up. Be careful. You don't want the fan to fall. You don't want it to smash into the radiator. Especially if you're going to reuse the radiator. If you're replacing it, it's not a big deal. As I get closer to the end, I'll just move the fan and just grab the blade. There we go. Now I can slide this right up, just like that.

I want to separate this fan from the fan clutch. I'm going to use a five millimeter hex socket. Line this up. I'm just going to take a hammer and tap it in a little bit. These screws are a little bit rusty. Just use a socket, I mean a ratchet to loosen this up, just like that. All right, take this last screw out. And I'm going to hold the fan up a little bit. Try not to have it hitting on anything and just give it a tap with the hammer, and separate.

Here's the old part. Here's the new radiator fan clutch from 1aauto.com. The design is similar and the function is going to be the same. The screw holes are in the same positions. That thermostat part of the clutch is in the same position. Flip it over. The attachment screw is the same. Get yours at 1aauto.com and you'd be ready to rock and roll.

Take the fan. You want to make sure you install this the correct way. Don't install it backwards. Slide it in position, just like that. Take the bolts. I'll get these all started. Now I'm going to tighten these down with a five millimeter hex bit and a ratchet.

Then I'm going to tighten these bolts down to 89 inch-pounds. Make sure you're on inch-pounds, not foot-pounds. These have to go on together. Just slide this in position. Once you get this close, I'm going to start to tighten up the fan. Now these fan blades are ... The fan clutch is reverse thread, so it's almost like you're going to be loosening it. There's really no easy way to do this. Just do it carefully. To get it started it's a little bit easier. Make sure the fan shroud is in properly. That's good.

All right. If you have the ability to torque this nut for the fan, you're going to torque that between 22 and 29 foot-pounds. I don't really have that ability, so I'm just going to put this tool on there and just give it a little tap. That should be good.

Right here there's a push pin. That's going to go back in here. Slide that in position and lock it down.

On this side we're going to put this screw right here. Then I'm going to use a T25 and a electric ratchet, tighten this down. Just snug. I'll position this wiring harness right here, and we'll plug the connector in, right here, lock that in place.

Take this piece, slide this into the air box, just like that. And there's retainers right here. Take those push pins, lock them down.

Then we can take the negative side, connect the negative side. Take the same 10 millimeter socket and ratchet to tighten it up. That's good. At this point, if you had that cover, you're going to want to put the cover back where it goes.

Thanks for watching. Visit 1aauto.com for quality auto parts shipped to your door, the place for DIY auto repair. And if you enjoyed this video, please click the Subscribe button.

Tools needed for replacement:

    Air Powered Tools

  • 3/8 Inch Air Impact Gun

  • Hex Wrenches

  • 5mm Hex Wrench

  • Ratchets & Related

  • Torque Wrench

  • Specialty Tools

  • Fan Clutch Wrench

  • Star Drivers & Sockets

  • T25 Driver

  • Wrenches - Metric

  • 10mm Wrench

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2005 - 2005  BMW  325i
2001 - 2004  BMW  330Ci
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