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Results for technical service bulletin
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  • Forum Reply: RE: Fuel cap not venting and creating negative pressure in tank

    Emission controlled vehicles from approximately 1972 to 2015 use mainly non-vented fuel caps. Check your vehicle year’s application and replace the fuel cap. Scan your vehicle for related DTCs , such as EVAP (evaporative emission constrol system) codes. Check for TSBs on your vehicle. Check...
  • Forum Reply: RE: Don't know what's wrong with my car

    Hi Sierra. Have the LeSabre's front and rear suspension checked for loose or worn suspension components for your clunking noise. Check the tires for uneven wear, balance and alignment. There is a technical service bulletin (TSB) that might apply. It is called "Info on popping or thunk noise...