vent valve solenoid ???

[TooCool5]

Originally Posted by NFERNOSS

Only have to drop subframe on the 2010's, as the whole canister with old style valve got replaced as an assembly, fuel tank doesn't get touched though. In 2011 they change the design of the vent solenoid. I can take the two bolts out that hold the canister down, position it, then reach up there through the control arm and twist the solenoid out with one hand. Reverse procedure to install.

That make sense, our first yr 2010 cars are nightmares when it comes to vent valves, heater cores, oil pans etc.

[Cornflakes'Camaro]

I just replaced my EVAP solenoid (located on the passenger's side engine head) but the P0449 and P0455 are still being thrown up. I also have the Purge Valve. Is that the replacement process you were speaking of NFERNOSS? I also plan on buying a new gas cap, i'm going to go out on a limb and say that's what is throwing the P0455 code.

[warren3537]

From what I have found out, the purge valve on my 1LT is on the Pass side engine block right above the valve cover and the Solenoid is on the cannister, I am running a P0449 code (Small Leak) and I have had a smoke test done, so I get a new cannister and solenoid here soon, and from what I was being told from the dealership is that they can drop the tank down far enough without touching the subframe, lets see!

[Cornflakes'Camaro]

Originally Posted by warren3537

From what I have found out, the purge valve on my 1LT is on the Pass side engine block right above the valve cover and the Solenoid is on the cannister, I am running a P0449 code (Small Leak) and I have had a smoke test done, so I get a new cannister and solenoid here soon, and from what I was being told from the dealership is that they can drop the tank down far enough without touching the subframe, lets see!

I'm confused, why would you have to drop down the gas tank if both valve/solenoid are under the hood? Or am I reading something wrong?

[blkngldbabe]

Purge solenoid is under the hood. Vent solenoid is at the tank.

[terry_b]

P0449 CEL came in a while back for me as well... hoping it's the easy replacement, not the hard one, LOL. What are the odds of getting a dealer to replace the solenoid in the tank with 3 years and 54k miles on the car? Slim to none I'd imagine :(

[Cissey]

2012 camaro 39,000 mi. Took to dealer where I bought new and they ran diagnostic cost $45 told me it was vent valve and would cost $315 and they would have to order part. Told them I would think about it and one hour later they called me and said they would charge me $91. If I had said yes right away I would have been paying $315 sounds strange to me.

[Matty1LE]

GM has had major vent valve failures since OBD2 started lol... The seal gets weak when the vent valve shuts to seal during EVAP purge. The trucks had more problems with dirt/dust/water getting into them so GM made us re-route the vent valve fresh air side. Best way to check is with a scantool and smoke machine to see if there are any leaks. On the newer cars 2005+ the gas cap has to be perfect! Make sure your filler neck is clean and not marred up. Clean the gas cap seal and check for any cracks.

[Cornflakes'Camaro]

I had a slew (spelling?) evap, emissions codes. P0449 being one of them. Replaced the evap solenoid (front of the passenger's side head), all spark plugs and a fouled out O2 sensor. Cleared the codes and haven't had any problems since. This was roughly 8,000 miles ago.

[orbitearl]

g m needs a recall.

[nikos30]

im having the same problems...

problem after problem with this car.

[schidler]

I dropped mine off this morning. they just called me and told me it will be $680 because they have to drop the rear end to get to it. but that includes an alignment...LOL I told them that they are crazy and to put it back together.