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2005 XC70 Smell of gas (New to Volvo's)

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vtl
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Re: 2005 XC70 Smell of gas (New to Volvo's)

Post by vtl » Mon Feb 24, 2020 7:25 pm

Check aluminum vent pipe that goes to fuel filler neck, it corrodes and develops holes:

Image
Image

These photos are taken on 2005 XC70 with exact same symptom. The guy cut the worn part of the pipe and replaced it with an oil-resistant rubber hose.
05 XC70 260k, 16 XC60 40k, 19 Tundra 1k

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Re: 2005 XC70 Smell of gas (New to Volvo's)

Post by RickHaleParker » Mon Feb 24, 2020 7:39 pm

wczimmerman wrote:
Mon Feb 24, 2020 7:11 pm
It's my understanding that the lines in question for that are at the top of the tank anyway...
The EVAP hose runs to the filler/breather tube. It might be tap to more then one point on the tank. The instructions say to lower the tank. I would look it over real carefully and make sure there is no way to fish a new hose in before dropping the tank.
--------
Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.
Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.
Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
Platform P2 2004 S60R, B2524T4, AW50/51 AWD, Bosch Motronic 7.0, BorgWarner K24 turbocharger, Plant Ghent Belgium.

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Re: 2005 XC70 Smell of gas (New to Volvo's)

Post by wczimmerman » Tue Feb 25, 2020 9:02 am

vtl wrote:
Mon Feb 24, 2020 7:25 pm
Check aluminum vent pipe that goes to fuel filler neck, it corrodes and develops holes:

Image
Image

These photos are taken on 2005 XC70 with exact same symptom. The guy cut the worn part of the pipe and replaced it with an oil-resistant rubber hose.
Not sure if you meant to post any images but they didn't come through with your response.

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Re: 2005 XC70 Smell of gas (New to Volvo's)

Post by wczimmerman » Tue Feb 25, 2020 10:06 am

So, I dropped the vehicle off at a shop for a look and they did a smoke test which confirmed that we have some sort of leak coming from the top of the tank. They quoted about 7 hours of labor to drop the tank and see what the issue is.

Options? I'm quite handy with a wrench but not sure what all may be involved. I am aware of the recall issues and I've seen the videos of some sort of access panel on some models to the fuel pump from inside the vehicle.

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Re: 2005 XC70 Smell of gas (New to Volvo's)

Post by vtl » Tue Feb 25, 2020 10:07 am

wczimmerman wrote:
Tue Feb 25, 2020 9:02 am
Not sure if you meant to post any images but they didn't come through with your response.
Yes, I put two links to CDN images:

https://a.d-cd.net/IoAAAgBTBeA-960.jpg
https://a.d-cd.net/5IAAAgBTBeA-960.jpg
05 XC70 260k, 16 XC60 40k, 19 Tundra 1k

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Re: 2005 XC70 Smell of gas (New to Volvo's)

Post by vtl » Tue Feb 25, 2020 10:09 am

Buy your own smoke machine, smoke the car, observe from where it is leaking. You probably don't need to drop the full tank, just lower subframe at one corner.

EVAP canister can be seen by dropping exhaust and removing heat shield above it.
05 XC70 260k, 16 XC60 40k, 19 Tundra 1k

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Re: 2005 XC70 Smell of gas (New to Volvo's)

Post by RickHaleParker » Tue Feb 25, 2020 10:57 am

Here is a guide for repairing a fuel vent leak without dropping the tank on a 1998 S70.
Might be inspiration for the task before W.C. Zimmerman.
--------
Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.
Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.
Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
Platform P2 2004 S60R, B2524T4, AW50/51 AWD, Bosch Motronic 7.0, BorgWarner K24 turbocharger, Plant Ghent Belgium.

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Re: 2005 XC70 Smell of gas (New to Volvo's)

Post by abscate » Wed Feb 26, 2020 5:20 am

Unfortunately, with an XC, the P80 guide won’t cover dropping the subframeamd drivetrain necessary to drop the tank fully. Partial drop hopefully will let you access the leak
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Re: 2005 XC70 Smell of gas (New to Volvo's)

Post by IslandV70 » Wed Feb 26, 2020 7:47 am

Before you do anything else, take the rear seat out and get access to the top. My brother's V70 leaked gas around the fuel pump access and it was an easy fix.

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Re: 2005 XC70 Smell of gas (New to Volvo's)

Post by wczimmerman » Thu Feb 27, 2020 8:48 pm

So, my initial plan is to pull up the back seat and take a look through the portals for any leaks. I also plan to take a look and see if removing the exhaust and heat shield will reveal anything for the evap system. Does anyone have a picture of the evap canister so I know what I'm looking for? Then, if that doesn't reveal anything, I plan to see if I can lower the tank just enough to get a little more clearance between the underbody and the top of the tank. I figure between these 3 things, I should be able to find what's leaking.

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