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  #1  
Old 06-08-2001, 09:22 AM
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Join Date: Apr 2001
Location: Doylestown, PA
Posts: 124
Got another question:
I have just blown the second fuse for the circuit that contains the aux fan and tach. This is a new thing. I put another one in and in a little while it blows. I have been messing a little with the instrument cluster but I havn't taken it apart or anything. The fan spins freely. Is that normal? I have also been having slight temp problems. The other day my wife drove about 20 min. to work and when she got there it was leaking she said out of the drivers side near the front. When she got home there was little or no evidence of a leak. I wonder if all of this is related? I know this is all kind of vague but I need some help with this
Thanks in Advance
Kyle
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1988 190E 2.3 (178,000)
FastLane, PartsShop and this forum rule!!!
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  #2  
Old 06-27-2001, 02:28 PM
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Blown Tach and Aux Fan fuse

Kyle,
I have an 85 190E 16V with the exact same problem. I started leaking coolant from a small crack in the thermostat just above the distributor cap(the leak would only start when the car was running for 10 minutes and pressure built up). The leak would drip onto the distributor cap and blow my aux fan and tach. I replaced the thermostat cover which stopped the leaking coolant from dripping on the distributor cap but even after this fix, I am still blowing my fan and tach fuse. I have also started blowing another fuse but haven't bothered to check which one yet.
Question I have for you is: Did you fix your problem and if so how? Any advice would be greatly appreciated.
M. Rossi
mrossipir@yahoo.com
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  #3  
Old 06-28-2001, 08:46 AM
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Join Date: Apr 2001
Location: Doylestown, PA
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V.I.,
In all honesty I haven't even addressed it yet. The car has been running fine and I have been busy and a little under the weather and without a garage to stay cool while doing it, no way. I will probably take a look at it sometime this weekend. I will let you know what I find out.

Kyle
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1988 190E 2.3 (178,000)
FastLane, PartsShop and this forum rule!!!
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  #4  
Old 07-02-2001, 12:48 PM
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Fixed (so far)

Kyle,
I have fixed the tach /fan problem for the moment. After you find out where your leak is coming from and repair it, look at the Temperature Sensor on the water pump. If your fluid level gets low it can kill them. There are 3 sensors on the water pump just in front of the oil cap. The first one (from the left if standing in front of the engine)has a single wire plugged into it, the second has 2 wires plugged into it, the third has a 2 pronged plug and a single wire on it. Unplug the single wire while leaving the 2 pronged plug connected. Replace your blown fuses and drive the car. See if the fan comes on automatically (from the A/C sensor)and if the fuses do not blow, chances are you have a bad 3rd sensor. They are only about 20.00 from Performance. Good luck.
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