GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

change fuel filter- how often?

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Old 03-16-08, 08:14 AM
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jbw
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Default change fuel filter- how often?

I bought car with 42K miles and now have 67K. Should I have changed and if so, about how much should I be prepared to pay at Lexus/Toyota?
Old 03-16-08, 08:25 AM
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RX729
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Replace it every 40k miles...
Old 03-16-08, 10:34 AM
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SorrGwa
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is there a write up for this? i remember when i purchased my gs300, and went to the dealership looking to buy the fuel filter, they said it had none. well specifically, there was a small filter on the fuel pump. is this the fuel filter?

if not, if there a picture somewhere of where the fuel filter is? =/ thanx
Old 03-16-08, 10:38 AM
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FrankT
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RX729- where did you get that info, maybe from the pimple face kid at autozone?

Toyota/ Lexus have no interval on fuel filters.
In general it is a lifetime filter.

It is good however to replace the filter when major work is done to the fuel system, new injectors, new fuel pump, head work, a new motor or maybe 250,000 miles on the original.
Old 03-16-08, 10:41 AM
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jbw
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I doubt it was ever replaced based on other maintenance items that were ignored.

What will the dealer's charge? Will I save quite a bit by having my independent mechanic do or is it tricky?
Old 03-16-08, 10:47 AM
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JeffTsai
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It's not hard. It looks like a sock thing that goes over the bottom of the fuel pump.

Steps to replace:
-Remove rear lower seat section
-Remove 3 plastic nuts holding outer cover
-Remove screws holding in fuel pump assembly
-Disconnect fuel line and harness on top
-Pull out fuel pump assembly
-Remove fuel pump filter and replace with new
-Put everything back

I can do it in about 10 minutes.
Old 03-18-08, 11:01 AM
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jamodeo
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If you would not mind..... Could you take pictures of this (anybody) if you attempt. I would like to do this, but I always love having a visual guide to aid me along

thank you -Joe
Old 03-18-08, 11:07 AM
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kit cat
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Originally Posted by jamodeo
If you would not mind..... Could you take pictures of this (anybody) if you attempt. I would like to do this, but I always love having a visual guide to aid me along

thank you -Joe
plus one since that free online manual is still down.
Old 04-11-08, 05:12 PM
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PushinLEX
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so wat does lexus say about this. change or not?
Old 04-14-08, 05:40 AM
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Rock-a-Lex
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Originally Posted by PushinLEX
so wat does lexus say about this. change or not?
+1...that's what I'd like to know. I have almost 100K on my car and I noticed that my gas mileage has been terrible for the past year or so. I tried everything BTW...
Old 04-14-08, 05:48 AM
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Dslexic
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If I'm not mistaken a fuel filter normally resides within the engine bay and kind of resembles a pop can that maybe black in color. The filter that is directly connected to the fuel pump is the fuel pump strainer which is not as efficient as an actual filter. So in essense the GS might not have an actual fuel filter.
Old 04-14-08, 06:39 AM
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Debonair
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I think the last cars I worked on (I don't work on many anymore) that had a under hood filter were Honda's. Most vehicles now have them mounted along the framerail. Others like my Durango and GS430 have then incorporated into the fuel pump. The manufacturers usually say that the fuel pump mounter fuel filter is good for the life of the pump so no service interval is given.

Se GS Fuel pump exploded view below.
Attached Thumbnails change fuel filter- how often?-sp32-20080414-063536.gif  
Old 04-14-08, 06:39 AM
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3UZFTE
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Originally Posted by Dslexic
If I'm not mistaken a fuel filter normally resides within the engine bay and kind of resembles a pop can that maybe black in color. The filter that is directly connected to the fuel pump is the fuel pump strainer which is not as efficient as an actual filter. So in essense the GS might not have an actual fuel filter.

No, Jefftsai is right. It is in the fuel tank, on the fuel pump. Toyota claims that the filter will last the life of the pump, which they claim should last the life of the vehicle.
Old 04-14-08, 07:59 AM
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FrankT
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nice diagram...
Old 04-14-08, 10:04 AM
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lexusondubs
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liftime filter no need to change according to lexus soo why are you changing it anyways ??


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