1st Gen. Ram - All Topics Discussion for all Dodge Rams prior to 1994. This includes engine, drivetrain and non-drivetrain discussions. Anything prior to 1994 should go in here.

fuel heater

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Old Jan 2, 2010 | 10:32 PM
  #1  
levans's Avatar
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fuel heater

93 dodge fuel heater is leaking how is the easiest way to get it off and should I put it back on?
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Old Jan 3, 2010 | 12:27 PM
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BC847's Avatar
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From: Buies Creek, NC
Moved to the 1st gen forum board for better response/reply's.

- Remove the fuel filter and take a big, wide blade something; screwdriver, chisel, etc. and unscrew the threaded pipe that the filter screws onto.

That will let the fuel heater fall away from the head. Time and use of the engine has had the rubber "Square-Cut" O-ring degrade (a common thing with the older trucks).

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Replace that square-cut O-ring and you'll be good to go.

Be sure to wipe clean the surface of the head as well (see the footprint of the square-cut O-ring).

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Old Jan 5, 2010 | 04:46 AM
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From: Vale, NC
That is a nice write up Dave, I need to do it too.
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Old Jan 12, 2010 | 05:26 AM
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Is this the same procedure to remove th fuel heater on the '97 with the 5.9 12v? I have all the parts, new screen w/o-ring, new heater w/o-ring and wirng harness for the heater.(had a melt down). Have tried to remove the heater but not sure. I have the service manual but do not see anything about removing the heater. Any recommendations on this?
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Old Jan 12, 2010 | 05:42 AM
  #5  
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From: 14mi North of North Pole
Originally Posted by USMC1349
Is this the same procedure to remove th fuel heater on the '97 with the 5.9 12v? I have all the parts, new screen w/o-ring, new heater w/o-ring and wirng harness for the heater.(had a melt down). Have tried to remove the heater but not sure. I have the service manual but do not see anything about removing the heater. Any recommendations on this?
Should be nearly identical procedure. I know that with a bit of modding, a 2nd gen heater will fit a 1st gen.remove the spud and the heater should come right off.
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Old Jan 19, 2010 | 04:29 AM
  #6  
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From: Hubert, NC
Originally Posted by BC847
Moved to the 1st gen forum board for better response/reply's.

- Remove the fuel filter and take a big, wide blade something; screwdriver, chisel, etc. and unscrew the threaded pipe that the filter screws onto.

That will let the fuel heater fall away from the head. Time and use of the engine has had the rubber "Square-Cut" O-ring degrade (a common thing with the older trucks).



Replace that square-cut O-ring and you'll be good to go.

Be sure to wipe clean the surface of the head as well (see the footprint of the square-cut O-ring).

The threaded insert on that holds my fuel heater on used a 5/16 allen wrench to remove. Counter clockwise to loosen. Thanks again for the pictures on this. Really helped out.
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