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Fuel filter connection fittings

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R

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goldxc70
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Fuel filter connection fittings

Post by goldxc70 »

Bust one of these connectors today when changing my fuel filter. It was really stuck on there and just wouldn't let go. I managed to put it back together and hold it in place with zip ties. It's not a pretty job but, so far, no leaks or stalling.

So, I'm guessing the easy repair is to buy a fuel line and put that in? Alternative would be to heat existing line, remove remains of fitting and add a new one?

Has anyone done either of these jobs? My car is a 2004 XC70. The fitting that broke is the engine side of the fuel filter.

cn90
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Post by cn90 »

This topic has been discussed many times here.

Some useful info is in this thread...

viewtopic.php?t=99985
2004 V70 2.5T 100K+
2005 XC90 2.5T 110K+

goldxc70
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Post by goldxc70 »

Yes, I did a search before posting. Here's what either I missed or nobody posted after posting their problems:

1. Where did they get replacement connector?
2. What is correct name/size for connector?
3. What is Volvo part numbers for replacement lines?

My "best" info so far is that the correct fitting on the engine side of the fuel filter is ID6-7.89-M. Also, Volvo don't sell this seperately from fuel lines.

I found this helpful:


cn90
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Post by cn90 »

I thought "paul1149" mentioned all the parts in the thread linked above?
2004 V70 2.5T 100K+
2005 XC90 2.5T 110K+

scot850
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Post by scot850 »

Paul listed what he used near the bottom of page #2 on the link cn90 posted above.

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abscate
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Post by abscate »

I used the Dorman replacement part, which princess auto should have ?

viewtopic.php?f=1&t=77135&p=542851#p542851
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goldxc70
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Post by goldxc70 »

Great info there, thanks.

Here's my two cents:

Per FCP, the Volvo recommendation is to replace line rather than repair it. The part number for my '04 XC70 is 30683029 but at over $200 locally, it seems overly expensive.

The fuel line itself is nylon with OD is 5/16", 7.89mm, but it's covered with a protective layer bringing it to 1/2".
I spent some time on Sunday at a local scrapyard and most of the fuel lines were butchered. But I did manage to pick up a good (yet to be finalized) connector with a short piece of line attached. My plan is to cut out the failed connector and piece in the replacement using Dorman #800-191 Nylon Fuel Line Press Fit Union. My understanding is that the fuel pressure is just over 40psi and I was speaking to someone who uses these connectors in non fuel lines and has tested them at over 80psi.

@abscate My filter is Volvo #30620512 and I installed a Hengst #H220WK which is OEM. Both old and new have the retaining flange.

I'll add photos later.

EDIT: had to abandon that plan for now. The bend on the existing line will make it difficult to install the Dorman union in a straight section of line.

Plan 2: cut damaged connector out and then heat line and press on replacement connector. Line will be reduced by 5/8" but that shouldn't be a problem.
PXL_20240705_192536971.jpg
The problem.
PXL_20240705_203424339.jpg
The temporary fix.
PXL_20240711_195215624~2.jpg
The "new" part.
EDIT:
PXL_20240713_200318173.jpg
The fix.

Just need to watch it for a while to make sure there's no issue and then add some protection

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