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> 75 green car, fuel filter in engine bay
Tom
post Apr 12 2010, 05:11 PM
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I was looking at some pics McMark posted and noticed what looks like a fuel filter in the engine bay just before the fuel rail. Did new cars have this filter there? Anyone else do this and is it a good idea? If the heat isn't a factor, it would seem to be easier to change the second fuel filter there.
Tom
Pics here http://www.914world.com/bbs2/index.php?showtopic=105807 11 th pic.
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Katmanken
post Apr 12 2010, 05:51 PM
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That might be the fuel pressure regulator being mistaken for a filter. It's about the right location.
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Tom
post Apr 13 2010, 11:12 AM
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Pressure regulator is on the drivers side , this one is on the pass side. It is a fuel filter.
Tom
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Root_Werks
post Apr 13 2010, 11:14 AM
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Not suppose to be there of course. All stock 914's had filters under the engine. Even after the 75-76' moved the pump to the front.

Might be something someone added or moved becuase it is easier to access?

I would think heat would be a factor and you would want the filter as low as possible so no chance air gets trapped in it.
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Cap'n Krusty
post Apr 13 2010, 11:19 AM
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QUOTE(Root_Werks @ Apr 13 2010, 10:14 AM) *

Not suppose to be there of course. All stock 914's had filters under the engine. Even after the 75-76' moved the pump to the front.

Might be something someone added or moved because it is easier to access?

I would think heat would be a factor and you would want the filter as low as possible so no chance air gets trapped in it.


Not exactly. ALL 914/4s had a fuel filter BEFORE the pump. 1970-1974 had it below the battery under the engine. '75-'76 had it between the tank and the pump, behind the little "door" in the rear bulkhead of the front trunk. IN NO CASE should a filter be placed AFTER the pump, especially if it's a plastic one.

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TheCabinetmaker
post Apr 13 2010, 11:22 AM
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QUOTE(Cap'n Krusty @ Apr 13 2010, 12:19 PM) *

QUOTE(Root_Werks @ Apr 13 2010, 10:14 AM) *

Not suppose to be there of course. All stock 914's had filters under the engine. Even after the 75-76' moved the pump to the front.

Might be something someone added or moved because it is easier to access?

I would think heat would be a factor and you would want the filter as low as possible so no chance air gets trapped in it.


Not exactly. ALL 914/4s had a fuel filter BEFORE the pump. 1970-1974 had it below the battery under the engine. '75-'76 had it between the tank and the pump, behind the little "door" in the rear bulkhead of the front trunk. IN NO CASE should a filter be placed AFTER the pump, especially if it's a plastic one.

The Cap'n


Yep. They aren't meant to handle the pressure.
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Root_Werks
post Apr 13 2010, 11:33 AM
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QUOTE(vsg914 @ Apr 13 2010, 10:22 AM) *

QUOTE(Cap'n Krusty @ Apr 13 2010, 12:19 PM) *

QUOTE(Root_Werks @ Apr 13 2010, 10:14 AM) *

Not suppose to be there of course. All stock 914's had filters under the engine. Even after the 75-76' moved the pump to the front.

Might be something someone added or moved because it is easier to access?

I would think heat would be a factor and you would want the filter as low as possible so no chance air gets trapped in it.


Not exactly. ALL 914/4s had a fuel filter BEFORE the pump. 1970-1974 had it below the battery under the engine. '75-'76 had it between the tank and the pump, behind the little "door" in the rear bulkhead of the front trunk. IN NO CASE should a filter be placed AFTER the pump, especially if it's a plastic one.

The Cap'n


Yep. They aren't meant to handle the pressure.


Yup! I totally forgot about the 75-76' moving up front before the pump.
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Tom
post Apr 13 2010, 11:36 AM
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In that case, this seems to be waiting for a fire! Anyone know this person to warn them?
Tom
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TheCabinetmaker
post Apr 13 2010, 11:54 AM
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Are you talking about this pic? I don't think that is a fuel filter. I believe thats part of the 75/76 smog control.


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tradisrad
post Apr 13 2010, 11:59 AM
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decel valve. as early as '73
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Root_Werks
post Apr 13 2010, 12:21 PM
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I think Tom was talking about this.....bad place for it.


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Cap'n Krusty
post Apr 13 2010, 12:22 PM
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Dead center on the right edge ............... Plastic fuel filter. Bad news .......

The Cap'n
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SirAndy
post Apr 13 2010, 12:29 PM
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QUOTE(Cap'n Krusty @ Apr 13 2010, 11:22 AM) *

Dead center on the right edge ............... Plastic fuel filter. Bad news .......

(IMG:style_emoticons/default/agree.gif)



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TheCabinetmaker
post Apr 13 2010, 12:35 PM
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Wel shoot! I totally missed that. Good eye guys!
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Katmanken
post Apr 13 2010, 12:53 PM
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There are fuel filters designed to run on the high pressure side.

The VW Vanagon runs one and it's a huge metal can about the size of an old 1 qt. oil can.

Run, don't walk to the store for a piece of high pressure fuel line to replace that plastic filter, and move the plastic filter to a place BEFORE the pump..

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Sleepin
post Apr 13 2010, 01:39 PM
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(IMG:style_emoticons/default/agree.gif)

This was such a sneaky picture!



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Root_Werks
post Apr 13 2010, 01:40 PM
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Yup, I haven't ever seen (Not that they don't exist) a plastic filter on anything above 12psig before. Any high pressure filter I've seen has always been metal.

But then, I haven't seen a lot. (IMG:style_emoticons/default/wink.gif)
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TheCabinetmaker
post Apr 13 2010, 01:42 PM
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I think they had plastics ones from the factory. I know my 73 1.7 did.
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SirAndy
post Apr 13 2010, 01:46 PM
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QUOTE(vsg914 @ Apr 13 2010, 12:42 PM) *

I think they had plastics ones from the factory. I know my 73 1.7 did.

But not on the pressure side of things. That's what he's referring to ...
(IMG:style_emoticons/default/shades.gif) Andy
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Bleyseng
post Apr 13 2010, 01:46 PM
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yes, all 914's had a fuel filter placed BEFORE the fuel pump.....
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