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Old 03-20-2011, 07:28 PM   #11 (permalink)
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I don't suggest it in this instance...but for hard to move hardware I use a torch.
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Old 03-21-2011, 07:28 AM   #12 (permalink)
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I know the shop manual specifies removal of the viscous fan, but its entirely possible to remove and repace the radiator without removing the fan. The front electric fans come off, then the radiator comes out fairly easily with the viscous fan in place. That's the way I did mine recently, and it went as smooth as butter.
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Old 03-21-2011, 03:50 PM   #13 (permalink)
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Sorry to be off topic, but in 163.175 model there is no viscous fan and dual fans in front .. is that a bad thing for cooling.
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Old 03-21-2011, 04:33 PM   #14 (permalink)
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Quote:
Originally Posted by voidy View Post
Sorry to be off topic, but in 163.175 model there is no viscous fan and dual fans in front .. is that a bad thing for cooling.
The answer to your question is no; it is just a different system. But always keep in mind that if that single fan fails in any way, you are dead in the water and get the plastic out. They don't show info for these fans after 2003, butthis is the approx price. So be very nice to it.
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Old 03-21-2011, 05:28 PM   #15 (permalink)
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Ouch! I'm loving my nasty [but much cheaper] viscous fan all the more.
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Old 03-21-2011, 06:17 PM   #16 (permalink)
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At a point a 55 owner might be well served to look at aftermarket electric fans when
theirs dies. They come in almost every dimension and size conceivable and are half
the price or less than the OEM fan.
One member has already done that and got his fan from a racing supply company.
He was not "going to pay a grand for a fan!!!" as he put it.
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Old 03-22-2011, 09:23 AM   #17 (permalink)
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Quote:
Originally Posted by APKhaos View Post
I know the shop manual specifies removal of the viscous fan, but its entirely possible to remove and repace the radiator without removing the fan. The front electric fans come off, then the radiator comes out fairly easily with the viscous fan in place. That's the way I did mine recently, and it went as smooth as butter.
That's exactly what I was asking/wondering. WHY he had to remove the fan since I got my radiator out of the ML430 without doing so.
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Old 03-23-2011, 08:28 AM   #18 (permalink)
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You don't HAVE to remove the fan, you really WANT to. It was a much harder and more frustrating job with the fan and shroud in place.

When I put the oil lines back on, add the fluids and start it up, I give the A/C system a 50/50 shot of working because it was very much in the way because I didn't take off the viscous fan.
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Old 03-23-2011, 10:10 AM   #19 (permalink)
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Quote:
Originally Posted by Noodles View Post
At a point a 55 owner might be well served to look at aftermarket electric fans when
theirs dies. They come in almost every dimension and size conceivable and are half
the price or less than the OEM fan.
One member has already done that and got his fan from a racing supply company.
He was not "going to pay a grand for a fan!!!" as he put it.
My turbo'd miata used an aftermarket fan made for a fox body mustang install. Wired up perfectly and was $50 shipped to my house.
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Old 04-02-2011, 05:06 PM   #20 (permalink)
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I need to remove the fan off my '99 ML430 in order to get to the belt tensioner that self-destructed. I have the counter holder tool wedged against the frame and am turning the nut on the fan counter-clockwise. The 36mm wrench measures almost 39mm and is slipping off. The torque is only supposed to be 45Nm, how is it the thing won't budge? The direction of the nut is CCW to loosen right???
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