CLK55 AMG, CLK63 AMG (W208, W209) 2000 - 2010 (Two Generations)

Clk55 w208

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Old Aug 13, 2016 | 01:39 PM
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Clk55 w208

Recently picked up a clk55 which has been stood for a couple of years. Noticed at the front of the engine a motor type fan unit is missing. Can someone tell me what this is and what it's for?

Thanks
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Old Aug 15, 2016 | 09:16 AM
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2004 CLK55 AMG W209
Radiator fan? Used for cooling the engine coolant temperature to maintain an optimum engine temperature set by OEM.
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Old Aug 15, 2016 | 10:49 AM
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Originally Posted by Khan 55
Radiator fan? Used for cooling the engine coolant temperature to maintain an optimum engine temperature set by OEM.
No it's on top on the manifold
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Old Aug 15, 2016 | 01:11 PM
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think we are going to need a pic
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Old Aug 15, 2016 | 01:28 PM
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CLK Cabrio
Post a picture
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Old Aug 15, 2016 | 02:58 PM
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CLK W208
you are talking about the emission fan, its a black plastic housing fan that sits infront of the intake manifold between the two gold top valves. its there to warm up the primary cats at startup. when these motors are supercharged with kleeman, HPS or stock AMG supercharges they remove and relocate that fan somewhere else to allow room for supercharger belt, they also cut the bracket portion that's on block.
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Old Aug 15, 2016 | 06:18 PM
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To add it only starts up on start of day, I have never noticed it running otherwise.

If it is missing leave it missing. No harm done.

Cheers
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Old Aug 16, 2016 | 05:11 AM
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Originally Posted by GatorMB
To add it only starts up on start of day, I have never noticed it running otherwise.

If it is missing leave it missing. No harm done.

Cheers
Thanks for the info, know why it's been stood so long... Got a nasty misfire when revving and coughs splutters when revving with no power at all. Checked on star and it comes under hht. Right bank o2 sensor showing lean, I'm suspecting cats blocked as I've changed the fuel and filter and because it does it from cold start up when running open loop so 02 sensors not in use.

Actually idles rock solid with no misfire only when revving and misfire counts are all on right hand side bank which is running lean. O2 sensor on left bank tracking perfectly.

Any thoughts?
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Old Aug 22, 2016 | 04:51 PM
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Can be MAF, ignition wires, cracked plug or a loose fitting MAF,

Lean can be a faulty O2 sensor or a vacuum leak.
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