Quadrajet Problem Solving > Diagnose a Quadrajet carburetor problem
Model 17082403 fuel leak only after shut down, Crusader 454 engine
BarryK3:
Thank you!
BarryK3:
Sorry, one more question: are these carbs susceptible to well plug leakage?
Cliff Ruggles:
Pretty rare to find a Marine carb leaking at the bottom plugs post about 1978. They are very well made and the plugs are swaged in place better than most other units.
Marine castings are typically in better shape as well as they see much less use and not nearly the heating/cooling cycles automotive carbs get. The big enemy to Marine units is rust and corrosion as they live in a wet cold environment often tucked under an engine cover or in a closed engine compartment.....
BarryK3:
Thank you!
tayto:
I helped a buddy with a 1988 era mercruiser original Qjet, both well plugs leaked. Infact the last 3 Qjets I've done had at least 1 well plugs that leaked (primary and/or secondary). I just do them as a standard repair now.
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