gas leak - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-17-2008, 10:33 PM   #1
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Default gas leak

So the bonne comes out of storage.... hmmmm gas smell!!!
start heading to the garage for the spring once over, buddy calls he was on his way with my suburban and the suburban died.

when i get to the suburban, while waiting for the tow truck, i check under the bonne
yup tell tale drips which had been splashing on the muffler

i call the jobber today to price out a tank and sending unit
tank no pblm
straps no pblm
sending unit BIG pblm 5 days special order out of the states 25% restocking charge

ive been told that they are a big pain in the [email protected]@ to remove (damn canadian winters)
and are usually rotted beyond salvage

what has been your experience with this
are the tanks that cheap that they only last 8 yrs?
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Old 04-18-2008, 09:57 AM   #2
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Tank and sending unit replaced on my 97 SE. Total cost parts and labor $1025.
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Old 04-18-2008, 10:26 AM   #3
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do it yourself, alot cheaper and not hard. the straps are cheap and some say cut them and replace anyways. alot less than $1k.
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Old 04-18-2008, 11:02 AM   #4
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I did mine about 2 months ago.

Rock Auto...$285.00 (US) for the tank, sending unit and fuel pump.

Took about a week to arrive,

Buy fuel filler hose, vent hose and longer bolts before you start,

I had to cut the hoses off and the stock bolts a about 1/4" too short on the
passengers side with the replacment straps that are not bent to contour
around the tank properly.

Took about 1 1/2 hours total, working slow in the cold.

..
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Old 04-19-2008, 02:18 PM   #5
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Quote:
Originally Posted by sonoma_zr2
do it yourself, alot cheaper and not hard. the straps are cheap and some say cut them and replace anyways. alot less than $1k.

I had every intention of doing the job myself, done it before. But the gas tank was filled with gas to the max. And I was not able to siphen the gas out from the neck.
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Old 04-19-2008, 02:24 PM   #6
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Quote:
Originally Posted by reb
Quote:
Originally Posted by sonoma_zr2
do it yourself, alot cheaper and not hard. the straps are cheap and some say cut them and replace anyways. alot less than $1k.

I had every intention of doing the job myself, done it before. But the gas tank was filled with gas to the max. And I was not able to siphen the gas out from the neck.
I did mine with a full tank, but I had a couple floor jacks and 2 future son-in-laws.
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Old 04-19-2008, 09:18 PM   #7
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the bonne is going in monday for the spring service
sending unit is dealer only and its 400 bucks

i was going to do it myself but will be car less this week

by the way my friend cooked my engine in the suburban
overheated it and never noticed the temp guage pinned

i figure i am about 700 for the tank straps and sender
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Old 04-20-2008, 12:21 PM   #8
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"sending unit is dealer only and its 400 bucks"


Sending unit is available aftermarket, not just from the dealer.
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Old 04-20-2008, 12:30 PM   #9
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Why are you replacing the sending unit for a fuel leak? It'* sole purpose in life is to read the fuel level and send the signal (electrical) to your fuel gauge. Keep your old one.
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Old 04-20-2008, 12:54 PM   #10
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The external metal fuel lines can rust out.
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