Fan Clutch Toast!! Ordered Remanufactured MB - Page 6 - Mercedes-Benz Forum
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post #51 of 104 (permalink) Old 06-08-2016, 06:51 AM
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Like I originally said;the weight of the fluid pressing on the seal in the horizontal position.

Kevin
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post #52 of 104 (permalink) Old 06-08-2016, 07:08 AM
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Originally Posted by Richard F View Post
It seems a very complex solution to avoid replacing a fan clutch.
When MB or anybody else builts a fan clutch for the inline 6 that can maintain the coolant temp under 90c while sitting in traffic on a 100f+ day, I'll buy it. Until then I'll stick with electric cooling.
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post #53 of 104 (permalink) Old 06-08-2016, 08:37 AM
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Originally Posted by humblejoe View Post
The fluid is not pressing on the front seal in a vertical or face up position. Its when the clutch is left on its face that the very thin fluid can slowly weep from the front seal.
They are to be stored vertical or horizontal, but facing up (front to the sky).
I don't see any "front seal" on the clutch; do you mean the seal on the pin under the bimetallic temp sensor?
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post #54 of 104 (permalink) Old 06-08-2016, 08:44 AM
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Originally Posted by tjts1 View Post
When MB or anybody else builts a fan clutch for the inline 6 that can maintain the coolant temp under 90c while sitting in traffic on a 100f+ day, I'll buy it. Until then I'll stick with electric cooling.
They may have already built the specific fan clutch you are looking for. Check "Electromagnetic Fan Clutch."
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post #55 of 104 (permalink) Old 06-08-2016, 09:02 AM
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As I mentioned many moons ago, the bad cooling system rap the 124 cars are getting here in this forum is absolutely bogus. Whether it's the 'best' possible system the Germans could have designed is absolutely irrelevant. Cooling system problems were a non-issue in any climate in NA when the cars were new. They were way long in the tooth when all this balderdash started about 'design flaws'. Just like condemning 'German electronics' after 20+yrs of service.

Now you have owners putting in inferior radiators, cheaper clutch fans and water pumps, along with residual corrosion inside the engine blocks, bad auxiliary fans, aftermarket stats etc. You get all this sorted out, use OE components and you won't have cooling 'problems'.

I had an electromagnetic clutch fan in a Peugeot wagon. It was a good system, but what you may not know is that every time that electromagnet pops that fan hub together with its base, some metal is shaved off the two surfaces(one surface spinning, the other stationary). Once or twice a season I'd have to go in there with feeler gauges and adjust that gap...too big a gap and it won't engage reliably. I can't see how that system design could get around that and I don't think it was reasonable to adjust the gap that often by the owner.

Kevin

Last edited by Real1shepherd; 06-08-2016 at 09:09 AM.
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post #56 of 104 (permalink) Old 06-08-2016, 09:26 AM
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Originally Posted by edcarls View Post
I don't see any "front seal" on the clutch; do you mean the seal on the pin under the bimetallic temp sensor?
Correct. No "rear seal" because its a cavity in the clutch.
It may have a gasketed seal in the rear like this one though, but I think its more reliable than the front one under bi-metallic strip.

https://youtu.be/N_GkuTgJr3w

Here's a vid of a guy refilling a Toyota one https://youtu.be/3ACx7GTCn7Y

Last edited by humblejoe; 06-08-2016 at 09:38 AM.
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post #57 of 104 (permalink) Old 06-08-2016, 10:15 AM
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Looks like it's time to let this one end boys. I pretty much figure Robert has it handled. If not, he'll chime in.

Jayare

Last edited by Jayare; 06-08-2016 at 12:37 PM.
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post #58 of 104 (permalink) Old 06-08-2016, 11:48 AM
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Has anyone else tried this fan clutch modification on an inline six? Works great for me.

K6JRF Auto Page
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post #59 of 104 (permalink) Old 06-08-2016, 12:22 PM
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Has anyone else tried this fan clutch modification on an inline six? Works great for me.

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It worked really well on my 190e 2.6 with dual aux fans.
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post #60 of 104 (permalink) Old 06-09-2016, 08:36 AM
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Originally Posted by LeftCoastGeek View Post
who made the *original* MBZ fan-clutches ?

Do we have any anecdotal or otherwise evidence that the current MBZ branded clutches are short-lived? Its *very* possible that the ones MBZ sells and the ones Behr sells themselves are different quality. Of course, its equally possible they aren't, hence my query for evidence either way.
so here is what showed up today from the dealer brand new in factory box with emblem and part number on part made by behr
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