Other Fuel System Tank Mounting Problems of Buick Regal

Vehicle interior lighting does not work in park, drive or when lights turned on, cluster, gear indicator, climate display, radio lighting does not work at all, when driving at night & windows fog up I have a hard time finding the temp. Buttons while seeing safely out windshield. My son pulled out cluster, noticed missing resistors are the cause. Driver side leather heated seat gets too hot when switched on, fear it could lead to fire. Rear strut snapped from rust/age. Son replaced both rear struts, noticed the strut to frame was rusting out where the welds have been made & was not supporting the vehicles weight properly. If these give out, the rear of the car will drop & loose control of vehicle, possibly puncturing the fuel tank causing leak/fire while steering while is parked or in motion, moving steering wheel 9 to 3 o'clock position is a very loud thud. Headlight combo switch has failed resulting of losing headlights, interior lights. Leaks oil, puddles of oil near plenum & top of motor. Its always leaked since owning it. Fuel leak inside of engine bay. My son has recently discovered a fuel leak once the motor is shut off. It appears it is the back fuel rail return line quick disconnect fitting that is leaking gas once the motor is shut off, realized the problem when I shut my car off, 5 mins later I started it & could smell gasoline from the heat vents. Shut it off. Opened hood, strong order of gas present. Removed plastic top engine cover & a very strong smell present. Traced the fuel lines & found gasoline dripping out of the rear fuel rail onto the motor. Son is replacing the o rings in the quick connect to correct the problem. After googling this is a common problem on w-bodys & has caused the vehicles to start a fire but has not been recalled. Can provide pictures taken of the leak if contacted.

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