C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Drain tank to replace fuel pump?

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Old Nov 7, 2005 | 05:10 PM
  #21  
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Originally Posted by CentralCoaster
So maybe they should add some billable hours to that job for purging the tank with nitrogen and steam cleaning it first?
That's an excellent idea Kevin... Maybe 3 to 5 hrs more, plus the cost of shop chemicals as well - - - - but of course!!!!


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Old Nov 7, 2005 | 05:56 PM
  #22  
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Originally Posted by SJW
Also, any tips that go beyond the obvious, and beyond what's listed in the FSM?
unhook the battery BEFORE
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Old Nov 7, 2005 | 06:01 PM
  #23  
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Originally Posted by CrazyInBlack
unhook the battery BEFORE
Yah, I see that's Step 1. Seems prudent enough...

Be well,

SJW
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Old Nov 7, 2005 | 08:05 PM
  #24  
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You're lucky they didn't charge you to R&R the engine to change the coil... or did they? BTW, whose idea was it to replace the fuel pump?

RACE ON!!![/QUOTE]

You're gonna get me started. I pulled the car out of the garage, washed it, and it would not start to pull it back in. I had it towed to the shop. When we got there I told the criminal the symptoms and he said "fuel pump". He said he would do a diagnostic to confirm and I went to work. He called and said it had low fuel pressure at the rail and that the fuel filter was clogged. He then said he checked upstream of the filter and it had low pressure from the pump. He said the filter and pump needed to be changed. Not unreasonable for a 100k car. then 2.5 hrs for the pump set me off, but he had my car and it didn't run. When he called me about 2 hrs later and said the car still didn't start because of the coil I just said fix it. I picked it up, paid the man and left without saying a word. Criminals don't learn and I didn't want to go to the big house.

I didn't mind paying for the parts, or having them installed. The coil was bad and fuel stuff was probably coming due. But I think he charged me for a diagnostic he did not do and for dropping the tank which he did not do.

If this had happened to a person who does not know about cars they would not have questioned it.

A good mechanic/technician is worth their fee, but there are enough crooks to give them all a bad name.
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Old Nov 7, 2005 | 08:16 PM
  #25  
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Thanks for, "The rest of the story". I'll refrain from comment to save a life. Either mine or "the criminal's". Thanks and...

RACE ON!!!
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Old Nov 7, 2005 | 11:26 PM
  #26  
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Originally Posted by CFI-EFI
Re-read post number 8. Draining the tank makes for a bigger explosion. A full tank explodes with a lot less violence, but the fire lasts longer.

RACE ON!!!
Oh I did read it and I agree. I did mine with a full tank for that very reason.

However, as much as I agree with you on a half tank versus a full tank exploding easier because of fumes. I think that if I was forced at gun point to do so, I would rather hold a lit match over a completely drained and dry cell than a full one.

I was just thinking it may have been one of those liability things they put in the book.
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Old Nov 8, 2005 | 01:47 AM
  #27  
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I just turn the car upside down when I want to drain the tank...

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Old Nov 8, 2005 | 02:46 AM
  #28  
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Originally Posted by cajun86
I just replaced my pump took about 30 minutes from the top. Had a full tank of gas did not drain a drop. Easy process.
I guess I've just got more practice.....got it down to 12 minutes now...
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Old Nov 8, 2005 | 02:50 AM
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Old Nov 8, 2005 | 07:15 AM
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Originally Posted by TM-96CE
Gas is heavy....something along the lines of 8lbs per gallon. Draining the tank will relieve some weight when you have to lower/drop it.
Why would you want to drop the tank. The fuel pump swap is done from the top of the tank.
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