[RESOLVED] gas tank drain plug leaking

[Dr Vic]

Hi Guys,

My gas tank drain plug is leaking. Ive tightened it the drain plug as much as I can but its still leaking a little bit. There isn't any gas dripping from the tank but its leaking gradually. What do I do? Do I use a copper washer or that steel washer with a rubber inner lining like the one used on oil pans? Can I just use regular gasket maker? Thanks

Vic

 

[TalonTime]

Copper always seals well because of how soft it is, but in this case I would try the metal one with the rubber.That should seal things up better in your situation.

 

[eclipsepunx]

I think some kind of rubber washer should work fine but I would also permatex it just to be sure. If there one thing I wouldn't want leaking it's gas..or oil...or tranny fluid..or...

 

[Auto RS T]

We just ran into this problem recently after getting a Laser back on the road after it had been sitting a few years. We tried the crush washers first. When those didn't work we tried some sealant that was supposed to be resistant to gas... Well, nothing worked and we ended up putting a different gas tank in it to fix the problem. I think the tank ended up getting tweaked when we tightened the drain plug and it wouldn't seal up anymore. No problems with the used tank we put in. Luckily, I had a parts car with a tank in it, all the junkyards around here drill holes in their tanks...

 

[cyclonekid77]

Yea, like Auto Rs T said, we tried thread sealant, crush washer, and seal all and it still dripped. I just ripped the tank out of my parts car and it its been great since then. I even get the pssshhh noise when i take my cap off now .

 

[Dr Vic]

I know this is a late reply but I'm posting this for other members to reference. I purchased some oil pan gaskets at murrays. These gaskets come in different sizes and are made of plastic. I put them on and no leaks for about 2 weeks thus far.

 

[donovan983]

i know this is late also. but do not use rubber for sealing any kind of gas issue. gas eats rubber. you will be back to squar 1. use only copper. heres something you can think about. how many gas filters you see using rubbe? none so yea copper is the best thing to use. then plastic