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I have mercedes e320 check engin light is on secondery air pump I replace it and is same both pump blowed fuse Andy

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  • Andy Dec 10, 2012

    second pump was used but checked by repair shop i coneted both pump to battere and work perfektly


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2nd hand pump or a new one

Posted on Dec 10, 2012

  • 2 more comments 
  • Andy Dec 10, 2012

    was used but checked by repair shop i conected both pump to battere and they rork perfestly

  • larry warren Dec 10, 2012

    it could be that the pumps are drawing too much current and blowing fuses. When you connect to battery do so thru a amp meter and see if draw is quite a bit less than the fuse value

  • Andy Dec 10, 2012

    pump in not turnig,i put new fuse startet car this pump did make even one revolition just blowed fuse

  • larry warren Dec 10, 2012

    connect to battery thru an amp meter it will tell you how much amps it draws. Too higher amperage will always blow fuse. may need lubrication


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Posted on Jan 02, 2017

SOURCE: 99 mercedes e320.check engine light on.po341

that appears to be a camshaft position sensor performance code. you can start by checking to see if the sensor is working properly, re-check and make sure that the harness is ok by checking the resistance through the harness if all looks well there make sure the computer has the latest software on it by having it scanned at your local dealer. also you can check the reluctor wheel on the camshaft for damage or debris in the way of the sensor.

hope this helps!

Posted on Feb 17, 2009

  • 129 Answers

SOURCE: need ac reset for a 2003 e320 Mercedes

You could need a recharge of freon or your A/C pump is bad. You can go to your local garage and have them recharge with an aftermaket freon kit or the dealer and have them put it on an a/c machine and really diagnose the problem

Posted on May 28, 2009

  • 12 Answers

SOURCE: Air conditioner blows hot on one side 1999 mercedes e320.

On the 1999 E class this is generally a problem when teh freon level is a little low. Sounds strange to blow cold on one side and not the other but recharging the system is the typical repair. You will also have to find the leak to keep this from happening in the future. There is an updated receiver drier for this vehicle depending on the vin number. The earlier version has a large(about the size of a nickle) sight glass in the top which cracks and allows freon to leak. The new version the sight glass is much smaller, about the sixe of a dime. Recharging the system should be the first step.

Posted on May 29, 2009

  • 144 Answers

SOURCE: fuse box layout for 1995 mercedes e320

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Posted on Oct 01, 2009

  • 784 Answers

SOURCE: how to replace a water pump on mercedes e320 1997

It is not complicated, depending on what hands-on level of DIY on car. Here are what need to do, so you can estimate how easy or hard when you look through your engine. Drain all the coolant, remove the thermostat housing, remove the fan, belt. Remove the water pump pulley. There are 4 bolts to hold the water pump in place.If you think you can take them out and put them in without removing the AC compressor then you can do it. I did it twice without removing the AC. The pump was fine for the second time, but for leaking seal. At dealer, it is easier to access from the bottom since they have a lifter. But it is doable at home. Have fun if you decide to do it.

Posted on Oct 11, 2009

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