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  #1  
Old 06-29-2006, 08:20 PM
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How Do you Change Fuel Filter 85 300D

I will be changing the fuel filter (the screw on one). I know that I'm suppose to prime the new one with the primer. Anything else to keep in mind?

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Old 06-29-2006, 08:29 PM
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There is an O ring on the hollow bolt. If it is hard, like plastic, it should be replaced. Also have a new crush ring on hand.
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Old 06-29-2006, 08:55 PM
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how about air bubbles in the line

does a few air bubbles in the line affect anything?
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2007 Honda Accord EX
2007 Honda Accord SE V6
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97 Explorer - Found Another Home
2000 Honda Accord V6 - Found Another Home
85 300D - Found Another Home
84 300D - Found Another Home
80 300TD - Found Another Home
Previous cars:
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  #4  
Old 06-29-2006, 09:30 PM
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It shouldn't, there is always a little bubble in the clear filter. Just make sure there are no leaks, prime & start. Some people fill the spin on filter with tranny fluid before installing, I never did, and was able to start right up after replacing and priming.
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Last edited by slarson80; 06-29-2006 at 09:36 PM.
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  #5  
Old 06-29-2006, 10:06 PM
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the reason for priming with tranny fluid is twofold

Quote:
Originally Posted by slarson80
It shouldn't, there is always a little bubble in the clear filter. Just make sure there are no leaks, prime & start. Some people fill the spin on filter with tranny fluid before installing, I never did, and was able to start right up after replacing and priming.
first it takes less pumping of the primer this way, also, it is said to clean the IP/injectors and make the car run better, but mostly, it is easier than dealing with SMELLY diesel fuel.
John
oh, and a bubble in the prefilter is fine, bubbles in the clear line down stream of the spinon is to be avoided, but the return hoses usually will take any excess air and clear it out for you once the car starts.
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Old 06-29-2006, 10:36 PM
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I filled the filter with ATF (first time I EVER did this in my 25 years working on diesels) made sure it was all the way full and didn't even prime it. It started right up never missing a beat.
I am going to try the same proceedure next time I change the fuel filter on my Cummins.

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