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07-21-2021, 07:13 PM | #1 |
Member
Join Date: Dec 2016
Posts: 61
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Gas leaking thru Sight Glass
Need some help !!! (1) How far down do I have to drain the tank (from full) so that I can safely open the glass retainer nut ?
(2) can I replace the gaskets on lens without removing the large brass hex nut? Thanks in Advance... Indy A |
07-21-2021, 07:28 PM | #2 |
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Join Date: May 2016
Location: Scottsdale, Arizona
Posts: 612
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Re: Gas leaking thru Sight Glass
Good afternoon...Yes the big brass hex must come out and you need to purchase the correct tool from Bratton's or another supplier...they all have them. First, you should remove the chrome dashboard...purchase the gasket kit from your favorite supplier...you should be below one half tank of gas. Carefully clean everything and then follow the instructions...not a bad job...usually an hour or so will do it...unless it is really stuck like the one above...Ernie in Arizona
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07-21-2021, 08:23 PM | #3 |
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Location: Oregon
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Re: Gas leaking thru Sight Glass
First thing to do is disconnect the battery.
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07-21-2021, 08:31 PM | #4 |
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Join Date: Dec 2014
Location: Shawnee, Ok
Posts: 3,471
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Re: Gas leaking thru Sight Glass
When you can't see the gas splashing in the little window when you rock the car...you're good to go.
And no...you have to take it apart
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Keith Shawnee OK '31 SW 160-B |
07-21-2021, 09:38 PM | #5 |
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Location: Hartford area, CT
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Re: Gas leaking thru Sight Glass
If the only problem is the glass leaking, I believe you don't need to completely disassemble the gauge. Use the outer bigger wrench to hold the outer ring from turning, and use the smaller tool to turn the inner star ring. The will access just the glass and associated gasket.
If it was me, I'd drive the car and brake to a stop with vigor from slow. No slosh in glass = low enough to remove with confidence. If the seat where the glass sits is cracking or crumbled, you might need to take off the outer ring as well to take it off the car and clean it. I think its going to be easier to remove the glass on the car, compared to generating enough torque on something that small and weak when it's off the car. You can't put it in a vise. |
07-22-2021, 07:27 AM | #6 |
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Location: Georgetown, TX
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Re: Gas leaking thru Sight Glass
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07-22-2021, 08:14 AM | #7 |
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Join Date: Jan 2012
Location: Western North Carolina
Posts: 3,903
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Re: Gas leaking thru Sight Glass
Indy,
What ever you do, get it fixed. Gas leaking at this point can be very dangerous. A loose connection at the ignition switch or ammeter can cause a spark and your car to go up in flames. I have seen this happen. Follow J's advice and first disconnect the battery.
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A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past. |
07-22-2021, 09:26 AM | #8 |
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Join Date: Feb 2015
Location: Australia
Posts: 1,971
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Re: Gas leaking thru Sight Glass
Use the steel big nut tool, not the new alloy ones that don't fit properly.
http://jmodela.coffeecup.com/fixgasgauge.html |
07-22-2021, 09:46 AM | #9 |
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Join Date: Dec 2017
Location: Guthrie, OK
Posts: 1,145
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Re: Gas leaking thru Sight Glass
To add to your enjoyment, you may find the kit parts don't fit. I found my (very nice looking) repop was apparently patterned after earlier gauges. The gaskets were 1/32" - I had to make my own - and the anchor hole for the plate was farther inside and smaller than the tang. I filed down the tab to fit the hole; that was the only part usable for me. I also used Permatex #3 on the gaskets to prevent leaks.
Nothing like a fun-filled evening of surprises. BTW, Steve Plucker has a great website that describes the differences of many things besides gas gauges. |
07-22-2021, 09:51 AM | #10 |
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Join Date: Oct 2014
Location: Central New Jersey
Posts: 408
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Re: Gas leaking thru Sight Glass
Definitely disconnect battery...but I don't think the chrome "dashboard" needs to come out....Here's a You Tube video
https://www.youtube.com/watch?v=xTHGVgnO_s4 |
07-22-2021, 10:01 AM | #11 |
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Join Date: Dec 2017
Location: Guthrie, OK
Posts: 1,145
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Re: Gas leaking thru Sight Glass
The dash needs to come out if you try to use the cheapie wrench..
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07-23-2021, 10:12 AM | #12 |
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Join Date: Dec 2014
Location: Shawnee, Ok
Posts: 3,471
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Re: Gas leaking thru Sight Glass
Star nuts from China leak (suck), do not use them, use your old one or get a good used one
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Keith Shawnee OK '31 SW 160-B |
07-23-2021, 12:08 PM | #13 |
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Join Date: Apr 2013
Posts: 293
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Re: Gas leaking thru Sight Glass
In addition to all of the above, use cork gaskets. Neoprenes don't last.
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07-23-2021, 04:01 PM | #14 |
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Join Date: Dec 2016
Posts: 61
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Re: Gas leaking thru Sight Glass
Thanks all that offered to help on the "leaking Sight Glass"... I had all the tools from a complete "re-install " 7 years ago... Followed one of the suggestions to slightly tighten the small glass retainer-nut and LO, the leak stopped. Decided not to attempt any more procedures.... Many, Many Thanks.... IndyA
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07-23-2021, 04:26 PM | #15 |
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Join Date: May 2010
Location: Powell, TN
Posts: 2,509
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Re: Gas leaking thru Sight Glass
I would add one thing to the advice above, drain the tank completely and pick out the remains of old sight glass gaskets/rings that have deteriorated and fell to the bottom of the tank. They will stop your gas line and carb up.
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07-23-2021, 11:09 PM | #16 |
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Location: Mpls, MN
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Re: Gas leaking thru Sight Glass
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