2001 Chevy Suburban 1500 LT

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  #1  
Old 02-24-07, 06:03 PM
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2001 Chevy Suburban 1500 LT

The gas gauge on my Suburban is not working right. The needle goes back and forth and it'll say "empty" even if I have a full tank of gas. Can someone please tell me what the problem is? Is this expensive to fix? I'm getting ready to sell it and I don't want to spend alot of money on repairs....please help.
 
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Old 02-24-07, 06:48 PM
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Most likely it may be the fuel sending unit which is in the tank.

It's either that or the spring mechanism on the gauge is damaged.

The cheaper and less work required is replacing the sending unit in the tank.

If you brings this to a mechanic, I would guestimate the labor to be around...$200-300 plus part.
 
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Old 02-24-07, 09:03 PM
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It's probably the sending unit. Chevy's known to do this. Not a hard repair. Just replace the sending unit and pump together.
The actual gauge in the dash is digital I believe.
 
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Old 02-25-07, 05:03 AM
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There is also a possiblity that there is a bad connection or bad spot in the wiring.
 
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Old 02-25-07, 01:52 PM
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Thanks for all the responses.

However, I have another question. A mechanic told me it would be approx $700-$800 to fix this problem because the entire gas tank would have to be dropped. Is the sending unit inside the gas tank? Also, someone else told me that there was a way to get inside the gas tank without dropping it. I don't know who to believe....
 
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Old 02-25-07, 04:12 PM
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I think that figure's a tad high.........Maybe 3 hrs labor to R&R tank..........now the sender may come as a module with fuel pump and all the bells and whistles.......so it MAY be a tad on the expensive side........But if the sender comes seperately, shouldn't be bad at all...............let me rephrase that ............Shouldn't be TOO bad at all
 
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Old 02-25-07, 08:41 PM
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No, most likely the only way to get to this part is to drop the tank. You can check though be completely gutting the inside of the vehicle directly above the tank to see if there is a access panel.

Mine is this way, I remove the back seat (10 seconds) and remove a access panel to have access to my tank.
 
  #8  
Old 02-26-07, 05:06 AM
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This was a common problem with GM trucks, due to corrosion of the sender unit in the tank. I would give you a website to read up on it but not allowed here, and it won't help fix the sender. There may be an access door on the extended cab models , but most require the tank to be dropped to replace it. Sounds harder than it is. The worst part was finding enough clean containers to pump the fuel into. If you have a few miles on it, replace the pump as well.
 
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