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74 Matador sedan gas tank leak... |
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The Rebel Alliance 
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Joined: May/26/2015 Location: White Rock BC Status: Offline Points: 443 |
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 Topic: 74 Matador sedan gas tank leak...Posted: Jul/27/2015 at 12:11am |
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Hi,
I just picked up a 74 Matador sedan and it appears there is a hole in the top of the gas tank. I've not been able to take a look as it's parked a distance away. Symptoms include fuel smell, and gas slopping out of the tank when corning (according to my ride). What are the solutions? Are Matador sedan gas tanks available - new or re-furbished? Is repair the only option? Thanks, Chris |
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rocklandrambler
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Joined: Feb/09/2013 Location: Nanuet, NY Status: Offline Points: 3953 |
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Posted: Jul/27/2015 at 1:19am |
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It's unusual for a rust hole at the top of the tank if that's what it is. Most likely it's leaking at the sending unit. The locking ring may have loosened or the gasket/O-ring has failed. You'll have to wait until you get the car to get under there and look. I don't imagine new tanks are available but used should be.
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Past AMC's
1974 Hornet X (new) 1975 Gremlin X (new) 1964 Classic 660 Cross Country 1965 American 440-H |
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vinny
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Joined: Jan/05/2012 Location: Calgary Status: Offline Points: 2837 |
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Posted: Jul/27/2015 at 6:05am |
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Also check the filler tube. Maybe not in White Rock but in eastern Canada I have seen one so rusted and full of holes it could be crushed like an empty pop can. But it wasn't a Rambler, just a Pontiac of 96 vintage.
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401MATCOUPE
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Joined: May/20/2010 Location: Salisbury, MD Status: Offline Points: 5367 |
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Posted: Jul/27/2015 at 6:35am |
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All full size Matador/Rebel and Ambo's have the tank inlet running through the left frame rail. Then a hose connects the tank to the body fill tube. It is right behind the left rear tire and above the exhaust pipe, with a heat shield to keep the exhaust heat off the rubber hose. It is VERY common for this hose to be deterioriated, cracked, broken, damaged and leak fuel during cornering and if the cracks are on the bottom it will leak fuel on the ground while filling.....there are no "replacement" tanks available, very few spare were even built and is found are very expensive. If the tank does have holes, companies like "Tank-Re-Nu" can coat them with a fuel proof coating.
Hope this helps. |
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Ross K. Peterson
68X,GoPac,343,AT,52A(1stCar) 68X,GoPac,390,4sp,52A 69X,GoPac,390,4sp,64A 70X,GoPac,390,4sp,87A,8 70X,GoPac,390,4sp,BBO,8 70 Jav SST,390,AT,BSO 74MatX,401,AT,Prototype 74MatX,401,AT |
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Rebel Machine
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Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5122 |
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Posted: Jul/27/2015 at 6:45am |
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Many years ago my Machine would leak fuel if the tank was fully filled. Turned out to be a split in the rubber hose that connects the pickup to the main hard line.
-Steve- |
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Boris Badanov
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Joined: Dec/14/2013 Location: NH USA Status: Offline Points: 4209 |
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Posted: Jul/27/2015 at 11:38am |
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I recently pulled a stock monster tank (25 gallon?) out of a 1974 gremlin.
The various hoses all crumbled when I attempted to disconnect them. Rubber does not last forever... |
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Gremlin Dreams
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The Rebel Alliance
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Joined: May/26/2015 Location: White Rock BC Status: Offline Points: 443 |
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Posted: Jul/29/2015 at 12:30am |
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thanks very much- there is certainly a leak where the hose meets the tank (based on staining) so if that's not the cause, it's certainly something.
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rocklandrambler
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Joined: Feb/09/2013 Location: Nanuet, NY Status: Offline Points: 3953 |
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Posted: Jul/29/2015 at 2:03am |
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Make sure you get "fuel filler hose" to replace it. A radiator hose won't hold up to gasoline. Your local parts store should have it.
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Past AMC's
1974 Hornet X (new) 1975 Gremlin X (new) 1964 Classic 660 Cross Country 1965 American 440-H |
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Boris Badanov
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Joined: Dec/14/2013 Location: NH USA Status: Offline Points: 4209 |
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Posted: Jul/29/2015 at 5:56am |
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While the tank is down replace all rubber and synthetics.
It's that simple. It is VERY easy to drop a fuel tank. |
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Kensey
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Joined: Jul/05/2015 Location: Pittsburgh, PA Status: Offline Points: 515 |
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Posted: Jul/29/2015 at 6:59am |
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Just got a Gremlin. Seller failed to tell me that when you put gas in it dumps out! Was a huge crack in the rubber filler neck. Easy fix, I'm usually not that luck. So start with the easy stuff if you don't know where it's coming from. Don't just jump into a new gas tank. My 2c.
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Gremmy Power!!!
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