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Steve, Service Manager
Category: Chevy
Satisfied Customers: 5494
Experience:  25+ Years experience as a professional working automotive technician; ASE L1 master technician
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2000 chevy blazer: a small gas leak just above the gas tank

Customer Question

i have a 2000 chevy blazer with a small gas leak just above the gas tank. if i drop the tank, how do i fix it?
Submitted: 7 years ago.
Category: Chevy
Expert:  Steve replied 7 years ago.
   There are several things that can cause a leak in that area.

   If there is a leak coming from one of the fuel line connections at the top of the tank, a replacement fuel line may be required to repair the connection.
   There could be damage to the plastic fuel module that is recessed into the tank from the top; if this is damaged then a replacement fuel module may be needed to repair the problem.
   There could be a damaged fuel module lock ring, or a problem with the rubber O-ring that seals the module to the tank body; if so, these parts will need to be replaced.
   lastly, there could be a small rust hole or other damage to the tank itself; if so, a repolacement fuel tank will be needed; fuel tanks are not items that should be repaired.

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