Question about 2006 Cadillac CTS

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Where is the fuel filter located and how do you change it? Where is the air filter and how do you change it? Yes i am a woman and i can't stand being treated like an idiot when i take my vehicle to the shop. So i will do it myself! 2006 Cadilac CTS 3.6 engine.

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The fuel filter on this should be under the car along the underside of the car at the back of the car between the fuel tank and the front of the should be about a 3" by 2.5" oblong shape.not sure but I think you need a 7/8" and a 3/4" wrench to change it,or it is a newer style and you will have to remove a locking clip before and after the filter to release it from the fuel lines,also there is usually a clamp that holds it to the car so it doesn`t very careful as the system is under pressure even with the car turned off.after changing the filter run car and make sure there is no fuel leak.the air filter can be found by following the air tube from the top of the motor(this is a large plastic or rubber tube) along its length until you come to the other end and this should be were the air filter is located inside the housing.remove the top of the housing and replace the air filter,

Posted on Mar 11, 2011

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