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Evap system leak V70-XC70 2005

posted by  TimeToBakeTheDonuts on  Wed Aug 4 04:33 CST 2010
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last visit: Thu Aug 29 16:10 CST 2013
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Anyone know the setup for the EVAP system in this car?

I am getting 0441 and 0442, recurring regularly. There was a software update by the dealer that was supposed to help this, but it didn't. The display says my cap is loose, but it isn't.

I was going to look for a gross problem (rodents chewing through line) before I take it back to the dealer - the car is covered by a CPO warranty. If mice (I have them) did the damage it would not be covered. The mice did a lot of damage to the covering on the firewall one winter.

Thanks, Don








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    Evap system leak V70-XC70 2005

    posted by  KlausC on  Wed Aug 4 05:11 CST 2010
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    last visit: Fri Oct 24 10:15 CST 2014
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    Have the dealer inspect the "J" hose at the rear of the car for cracks. They can also do a 'smoke' test. The EVAP lines go from the front of the car to the rear, so a leak can be anywhere.

    As for the mice, any 1/4inch crack will allow them in to the garage. Peanut butter in a trap works wonders! But you need to lure them out of their nice living quarters. Moth balls really don't work as wel as a can of sealant foam.

    Klaus
    --
    Two good Volvos, a 220 and a V70R








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      Evap system leak V70-XC70 2005

      posted by  TimeToBakeTheDonuts on  Thu Aug 12 07:51 CST 2010
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      last visit: Thu Aug 29 16:10 CST 2013
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      Hi Klaus.

      My indy mentioned the J-hose as well. I asked him about lines going between the front and rear, and he said "not to his knowledge". I should add that he stopped doing late model Volvos when Ford increased the documentation support to $10K a year, so he doesn't work on many late model ones. He recently got "cracked" software from somewhere so he can communicate with the computers (:

      However, he recently hired a Volvo tech who is familiar with them, and maybe I'll go try to find him. I rescheduled the stealer appointment. I'm still nervous about getting whacked with a $200+ bill.

      From what I have found, the 2005 canister is in the back, above the fuel tank on the driver's side. I'm going to go look and see what I can find. I understand you have to take the back wheel off to see it.

      Don








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        Information hard to come by V70-XC70 2005

        posted by  TimeToBakeTheDonuts on  Thu Aug 12 10:09 CST 2010
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        last visit: Thu Aug 29 16:10 CST 2013
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        Well, just spoke to the mechanic, and here is what he said.

        He felt there is no j-hose on a 2005, only earlier ones around '99-00. Said in his experience when you get the "filler cap loose" message it usually turns out to be the evap leak pump. Just to recap (get it?) I get 0442 and the filler cap loose message.

        He also thought there would be no EVAP hose going between the front and rear of the car.

        I am going to take the wheel off, get the car up in the air, and see if I can see anything that looks like it may be evap related in the rear.








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          Information hard to come by V70-XC70 2005

          posted by  Georgeandkira on  Sun Aug 15 02:42 CST 2010
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          last visit: Tue Dec 10 17:58 CST 2013
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          Hello, If you have a pop rivet gun-you'll need 5 or 6 rivets-and a drill, I suggest this from my recent experience with a 0442 code. My fuel filler is on the RR quarter panel (2002 V70 base). Remove the RR wheel and plastic wheel well liner. Mine had 3 10mm nuts and 5 pop rivets which need to be drilled out. Just remember you're working with soft plastic and you don't want sharp tools wandering off their mark. You'll see the inverted air filter for the EVAP system hanging next to the filler neck. I put a short section of old garden hose on the thing and blew into it gently. I located my leak from the hiss. In my case there was a small leak in my J hose. My J hose, a valve and the charcoal canister were all together in the center of the vehicle between the rear wheels immediately ahead of the spare tire well. Tipping the rear of the exhaust system down-all small hardware-is all I needed to do. Believe me it's no big deal to look. The hardest part of the job was removing the factory crimped hose clamps.
          You could ask at a dealership if your car has a J hose. There are differences among models and your mechanic might be mistaken.
          J hose,$26. 2 Ideal clamps,$1.80. Advice from the wonderful people on this board and the feeling from fixing a problem yourself, PRICELESS. Kira








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            Small leak (0442) turns out to be LARGE leak V70-XC70 2005

            posted by  TimeToBakeTheDonuts on  Tue Aug 17 01:38 CST 2010
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            last visit: Thu Aug 29 16:10 CST 2013
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            Got her up in the air, and was able to see pretty much what you suggested. I do have a J hose, or it looks like a J. The hoses all looked great. Found the port at the filler you suggested, blew into it and could not hear any leaks.

            It is very tight up in there, so I resolved to have it smoked.

            The first thing the indy did was put it on the computer. Turns out the VOLVO OBD code is LARGE leak. He said that the EVAP diagnostic pump is bad, which is what he finds most of the time with a large leak.

            My CPO warranty should cover the pump - the stealer said the normal emissions warranty does not. So off to the stealer tomorrow for complimentary donuts and a free car wash with my service. Wish they would just lower the rates.

            Glad to get something out of the CPO. Funny how the generic codes don't always map to the right Volvo code.








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              Small leak (0442) turns out to be LARGE leak V70-XC70 2005

              posted by  TimeToBakeTheDonuts on  Wed Aug 18 10:23 CST 2010
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              last visit: Thu Aug 29 16:10 CST 2013
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              Took this to Volvo today, and they insisted on smoking it. No leak. Then they proceeded to tear the canister/pump/scrubber assembly out which was quite a process. As the poster above mentioned, the exhaust has to be lowered. They ended up lowering it all the way below the rear tires - I never could have done this myself. Then the pump was replaced and everything was fine.

              Cost - $0, $386 if I had to pay. One for our side (:








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            Information hard to come by V70-XC70 2005

            posted by  TimeToBakeTheDonuts on  Sun Aug 15 11:07 CST 2010
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            last visit: Thu Aug 29 16:10 CST 2013
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            I appreciate the reply.

            One problem I am having is I haven't seen reports of anyone having worked on one ca. 2003 and later. One of the problems with having a new car. I think that hose changed in 2004 - the reports if it cracking all seem to be around 2001-2.

            What I decided to do, which really chaps my rear because this car has a CPO warranty, is take it to my Indy for a smoke test and visual inspection Tues morning. I am hoping that with an hour of labor they can tell me what the problem is.

            I fear the Volvo dealer will find something that isn't covered, and I'll end up paying for the code read ($90 I think!) + etc + etc.

            My Indy has been really good to me in selling parts off the shelf for DIY, so I don't feel bad throwing a little $ his way.

            Thanks for the advice. I am still dragging my heals and hope to do my first look tonight. Your post gives me some idea of what I might find.

            Don







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