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Old 04-20-2022, 08:47 PM
Greg Reid's Avatar
Greg Reid Greg Reid is offline
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Join Date: May 2003
Location: Palmetto, GA. USA
Posts: 16,177
Default Recurring fuel leaks (not a Pontiac)

I'm having recurring fuel leaks at various locations feeding the fuel rail and injectors on a 1980 Datsun.
The leaks always occur at a hose clamp and can always be stopped by tightening the clamp a bit.

The locations vary from injector to injector, to the output of the fuel filter, the input of the rail, etc.

No real pattern to it. I find one of these leaks probably 5 to 10% of the time that I run the car. It can go for weeks without any leaks and suddenly somewhere I will find one.
I have swapped between injector hose clamps and worm screw type clamps.
I now have to check this car every single time I start it for fear that I will have a leak possibly leading to a fire.
The hoses and clamps are all new, replaced while I was doing other work on the car and I never had this problem before that.
It's standard parts store injector hose.
Any ideas?

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