Gas Filter replacement failure - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-24-2006, 06:26 PM   #1
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Default Gas Filter replacement failure

Went to replace the gas filter and the connection is badly rusted. Tried to unscrew it and ending up twisting the hard line. Had to stop before any more damage.

The gas line that screws into the filter is badly rusted. Tried WD40 and will not budge..

Thinking of cuting the hard line and replacing it... Is there a repair kit available for that end of the gas line.

Car is running and so far no leaks....
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Old 09-24-2006, 07:12 PM   #2
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Mine is badly rusted too, I found that out after replacing a section of brake line. I will let someone else replace my fuel filter for that reason.

I'm pretty sure there is a way to replace it though, but you'll have to wait for a better answer.
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Old 09-24-2006, 10:05 PM   #3
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WD-40 is lousy for a penetrant. Pb Blaster or some other good quality penetrating oil is what you should use. Also, when removing the filter, turn the filter to remove it...not the connector on the hard line.
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Old 09-24-2006, 10:06 PM   #4
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Had the same problem. My brother fixed it. Here'* a link (with pictures) describing the project.

http://www.bonnevilleclub.com/forum/...701&highlight=

LeifW
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Old 09-24-2006, 10:36 PM   #5
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Nice write-up. I may do it myself after all since I'm sure my fuel line will break. Good thing you're able to use compression unions on the fuel lines, makes things a lot easier!
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Old 09-25-2006, 11:45 AM   #6
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Good pics. Before going out and buying the parts, are the measurements the same for the 98. What is the nut size that goes into the filter (3/8??).
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Old 09-25-2006, 07:01 PM   #7
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My filter was terribly rusted as well, I put two wrenches on it and it wouldnt budge at all, I sprayed on WD-40, let it sit for a few hours, tried again, let it sit some more, and it took me about 2 days and I finally muscled it off. Cheap and easy and very lazy.
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Old 09-26-2006, 03:27 PM   #8
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First, I always use two wrenches on things like that filter and the line. Rusted or not, the line will always give before anything else...it'* a torque thing...it'* called a back-up wrench.

Second, get some PB Blaster and keep it in the garage. If you work on your car, you will find yourself using it quite often. Good stuff! It is a true penetrant and works!
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Old 09-26-2006, 09:20 PM   #9
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Replaced the filter by cuting off the line and repairing as per LeifW thread. Actually found a part that comes with the nut fitting with o-ring for the filter. Had trouble tring to remove the plastic gas line support in order to cut the tub. ended up spending lot of time sawing it off the tube and inserting through the support holes. The brass compression union was a challenge to align and screw in but all in all it was worth the effort since it was badly rusted.

The car is running like new, well almost. Thanks to all.

Cheers,
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