Fuel leak source?

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LandyQuest

Member
Posts
15
Hi Folks. 69 88 petrol that I just bought. Had fuel leak from filler hose which I replaced. Put 20 litres of petrol in and it came pouring out underneath...but from where the tank is concealed. Car was restored 20 years ago..but I'm not sure if it was a new tank. Any other sources of the leak?or do I need a new fuel tank? Any info / thoughts appreciated!
 
Probably need a new tank. They are rust traps.

But first.

Don't trust anything about the restoration.

Remove the seat. Remove the lid on the seat box. Take a good look around the tank.

Especially when the bash plate cradles the inner tank at the front and at the back.

Get underneath and check around the bung.

Check the filler hose behind the seat, check to see if it's still in place, check the breather hose likewise.

Pour more petrol in. And see exactly where it's leaks.

Photos will help.
 
Ok. Thanks for the information! Tank has a healthy amount of rust in it! Think I will replace. I've searched everywhere for tge leak.
 
LandyQuest said:
Hi Folks. 69 88 petrol that I just bought. Had fuel leak from filler hose which I replaced. Put 20 litres of petrol in and it came pouring out underneath...but from where the tank is concealed. Car was restored 20 years ago..but I'm not sure if it was a new tank. Any other sources of the leak?or do I need a new fuel tank? Any info / thoughts appreciated!
Click to expand...
Does the new tank go in from underneath?or do I need to remove the seat box / frame from above?
 
Under neath.

Suggest you invest in a high quality cavity wax and apply to the gap between the tank and the cradle, and apply liberally to all surfaces. I use Bilt hambler dynax S50. Other brands exist. NOT waxoyl.

Buy a new fixing kit as well, cheap and cuts out the faff of recovering the old fixings.
 
Wildefalcon said:
Under neath.

Suggest you invest in a high quality cavity wax and apply to the gap between the tank and the cradle, and apply liberally to all surfaces. I use Bilt hambler dynax S50. Other brands exist. NOT waxoyl.

Buy a new fixing kit as well, cheap and cuts out the faff of recovering the old fixings.
Click to expand...
Perfect! Thxs!
 
Wildefalcon said:
Under neath.

Suggest you invest in a high quality cavity wax and apply to the gap between the tank and the cradle, and apply liberally to all surfaces. I use Bilt hambler dynax S50. Other brands exist. NOT waxoyl.

Buy a new fixing kit as well, cheap and cuts out the faff of recovering the old fixings.
Click to expand...
mine is just bolted?
 
Think my replacement
IMG_0771.jpeg
IMG_0770.jpeg
IMG_0296.jpeg
drivers side has the cradle built in for bolting on , but the passenger side military tank had a cradle you could separate if keen to repair

If it pours out when filling it could be over full, with gauge under reading , remove sender or pick up tube and check how full exactly
 
Wildefalcon said:
Under neath.

Suggest you invest in a high quality cavity wax and apply to the gap between the tank and the cradle, and apply liberally to all surfaces. I use Bilt hambler dynax S50. Other brands exist. NOT waxoyl.

Buy a new fixing kit as well, cheap and cuts out the faff of recovering the old fixings.
Click to expand...
OP might want to consider also buying the rubber pipe that connects the filler neck to the tank.
 
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