C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

FIRE in engine bay and now blower motor doesnt work PLEASE HELP!

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Old Oct 10, 2016 | 10:16 PM
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FIRE in engine bay and now blower motor doesnt work PLEASE HELP!

DEAR FRIENDS,
YOUR HELP IS MUCH APPRECIATED.

To make a long story short, I ran seafoam in my w203 to clean carbon, put it in brake booster line. Everything was fine, but I revved alot, and flooded engine.

In order to get gas out of cylinders, based on a tip from a friend, I took out spark plugs and revved engine, thinking that would get rid of extra gas.

TO MY HUGE SURPRISE FLAMES SHOT OUT OF CYLINDERS! Very scared, I put back in plugs, and car started fine.

Later I discovered that the BLOWER MOTOR on heat/AC did not work. My guess is that the fire melted some connection but nothing is visibly burned.

I do not even know where to start. Any suggestions about sensors or wires that may have burned up. The flames came directly out of cylinder holes, so that is the area I suspect damage occurred.

I feel miserable and would appreciate any tips before I go to a mechanic and get ripped off.

IS THERE A WIRE OR SENSOR IN THAT AREA THAT CONTROLS BLOWER MOTOR?

PLEASE PLEASE HELP
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Old Oct 10, 2016 | 11:41 PM
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UPDATE: After scouring the Internet for a solution, cleaning electrical parts with cleaner, connecting and disconnecting battery- heat and AC fan randomly started working again.

Will keep you all posted of any other potential disaster caused by fire. Happy to elaborate on the circumstances of fire. Officially feel like Al Bundy in terms of mechanical abilities ..
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Old Oct 11, 2016 | 01:14 AM
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Beevis and Butthead. "Fire. Fire! Cool...."
How did you get flames or rev the engine with the plugs out?
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Old Oct 11, 2016 | 08:33 AM
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Originally Posted by C230 Sport Coup
Beevis and Butthead. "Fire. Fire! Cool...."
How did you get flames or rev the engine with the plugs out?
beavis and butthead would have been thrilled! Huge flames.

so my logical was correct- how could there be flames without the plugs?

car started good today, so I think I evap the gas. Will keep you all posted
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Old Oct 11, 2016 | 01:01 PM
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Isn't seafoam supposed to go into the intake?
Wouldn't pouring into the brake booster vacuum line just suck it
into the crankcase? I mean where does that hose come off of?
The head? Or somewhere else. Not the intake or does it?
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Old Oct 11, 2016 | 02:18 PM
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Originally Posted by C230 Sport Coup
Isn't seafoam supposed to go into the intake?
Wouldn't pouring into the brake booster vacuum line just suck it
into the crankcase? I mean where does that hose come off of?
The head? Or somewhere else. Not the intake or does it?
you can put seafoam in any vacuum line or the intake. Most people uses pcv valve or brake booster line. Works wonders with cleaning out carbon, and an older car will feel and sound much faster after the treatment. Seafoam has instruction on the webpage, but I can write a DIY if you all want..
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Old Oct 11, 2016 | 02:30 PM
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Originally Posted by LexBrett2
you can put seafoam in any vacuum line or the intake. Most people uses pcv valve or brake booster line. Works wonders with cleaning out carbon, and an older car will feel and sound much faster after the treatment. Seafoam has instruction on the webpage, but I can write a DIY if you all want..
Write a DIY? Seriously :r olf:
OH, for this I can't wait!!!!




PS. Carbon build up isn't as much of a problem with the M111.
Seafoam is absolutely necessary for the 1.8L.
Seriously though, all DIY's are good! Write it up!

Last edited by C230 Sport Coup; Oct 11, 2016 at 02:36 PM.
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Old Oct 11, 2016 | 02:31 PM
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From: DC Metro Area
2007 Mercedes E550
Originally Posted by C230 Sport Coup
Isn't seafoam supposed to go into the intake?
Wouldn't pouring into the brake booster vacuum line just suck it
into the crankcase? I mean where does that hose come off of?
The head? Or somewhere else. Not the intake or does it?
you can put seafoam in any vacuum line or the intake. Most people uses pcv valve or brake booster line. Works wonders with cleaning out carbon, and an older car will feel and sound much faster after the treatment. Seafoam has instruction on the webpage, but I can write a DIY if you all want..
Reply
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