Question about Dewalt 2 Hp 4 GAL Air Compressor

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Our air compressor TC 196 fills when turned on and then it starts leaking out of the silver hole on the black box. It was fine a few weeks ago and we have a show in 2 days. Help!

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It will be a velve, perhaps the tank oneway inlet velve then when the compressor shuts off its hitting the unloader therfor the air in the tank is escapeing, but you didnt say you loose presure.hope this helps

Posted on Jul 30, 2010


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Posted on Jan 02, 2017


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take the spark plugs out and fill the water up. turn over the engine. see what comes out of the spark plug holes. should just be fuel. smell. you will need some one to turn the engine over and have good charge in the battery. fill the water to the top so it is level. if you see the water go down when the engine is turning. then it could be air or a leak in the head gasket.

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Air compressor works...rear suspension low...just used air compressor to fill tire a few weeks ago...could this be related? We had never used it in over 8 years...

The air suspension has absolutely nothing to do with your tire pressures. If your rear suspension is low and you can hear the compressor running all the time, it is because you have a leak in your suspension system. You need to get it diagnosed and repaired as soon as possible. If you let it continue, it will burn-up your compressor, then it will be REALY EXPENSIVE to fix.

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Visual Inspection Chart Mechanical Electrical
  • Restricted suspension movement
  • Excessive vehicle load
  • Cut, severed, crimped air line(s)
  • Unmounted height sensor(s)
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Go to dealer and have them run self test and provide you DTC codes. Should be 1/2 hour labor time. Report back on DTC, Diagnostic Trouble Codes.

Also, get some dish soap & water mix and pour or brush on all connections, hoses, solenoids, etc in rear first. Look for bubbles for a small leak.

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I bought the compressor about two years ago and used it only a few times. It ran fine a few weeks ago but today it will not start. It is as though it is not plugged in even though the outlet works for...

Is it possible that you didn't drain the air out of it after you used it a couple of weeks ago? If the pressure in the tank is somewhere around 100psi, the compressor won't run until it drops lower. If there is no pressure in the tank you might see if you can wiggle the pressure lever that makes the switch move to turn on the motor - it might be stuck.

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I just replaced the compressor, it has been

sounds like the first leak was not found . Need to bring it back in. And state that you should'nt have to pay again because it either is a defective replacement or the leak was not in the last compressor that was condemed.

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If you can, return the unit. I think that the compressor is seized or else there is trouble with the motor. Do not wait for the warranty to expire.

If you need more help, post a comment.



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