1972 cadillac deville 472 motor

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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, 1972 cadillac deville 472 motor in Past Cadillac Vehicle Discussion; How do i change the fuel filter on my 72 cadillac deville? and where is it located? I have a ...
  1. #1
    jjack79 is offline Cadillac Owners Member
    Automobile(s): 1972 Deville, 2006 DTS
    Join Date
    Mar 2008

    1972 cadillac deville 472 motor

    How do i change the fuel filter on my 72 cadillac deville? and where is it located?
    I have a 472 motor

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  3. #2
    Fleetwood70 is offline Cadillac Owners Fanatic
    Automobile(s): 1970 Fleetwood 60-Special, 03 DHS
    Join Date
    Jan 2011

    Re: 1972 cadillac deville 472 motor

    One filter is inside the mechanical fuel pump, the other filter is in the carburetor inlet. Unscrew the fuel line before unscrewing the big nuts on the pump outlet and carb inlet.

  4. #3
    CADforce69 is offline Cadillac Owners Connoisseur
    Automobile(s): Cadillac Sedan de Ville 1969, Dodge 3700GT '73, Audi A3 1.8T
    Join Date
    Oct 2010
    Madrid (Spain)

    Re: 1972 cadillac deville 472 motor

    Be prepared for a lot of gasoline pouring down when you unscrew the big nut to extract filter in the pump. As refers to the carb. inlet filter, according to the shop manual, "as a further precaution against dirt in the carburetor, or fuel line a fuel inlet screen is provided behind the inlet nut of the carburetor. The fuel filter in the pump should be replaced each 12,000 miles or 12 months, preferably in the spring. The fuel inlet screen does not require periodic replacement but should be cleaned whenever the carburetor is overhauled. Also, it should be inspected when fuel flow problems are encountered".

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