Better Gas Cap?
Tolero Apto Victum
Joined: Jul 2007
Posts: 9,669
Likes: 37
From: Woodlands TX
I bought this one for my 07 and like it a lot. Stant 10511 Locking Fuel Cap: http://www.amazon.com/gp/product/B00...00_i00_details 
CF Senior Member
Joined: Feb 2006
Posts: 23,313
Likes: 25
From: Tucson Arizona
I'm still using the original gas cap on my 2005. Early on I had a check gas cap warning so I went out and bought a new gas cap. Before installing it a forum member suggested I try screwing the cap on a bit more 'loosely' than I had been. I did and everything's been fine since (I still have the new gas cap in its original packaging). I think some of the gas cap problems are because it's different than you find on many other cars...it's not made to screw down tight.
Melting Slicks
Joined: Aug 2007
Posts: 3,213
Likes: 396
From: Indianapolis IN
He then agreed that there was in fact a TSB and free replacement, but I would have to leave my car with them for 1 hour 
For a 5 min. swap?This is a good example why I choose not to take my car into service if I don't have too, it sure would be nice to go to my dealer and get, in the very least, QUALITY CUSTOMER SERVICE...and why it was much easier to just pay for the part somewhere else.
Melting Slicks
Joined: Jul 2005
Posts: 2,094
Likes: 15
From: Grant-Valkaria Florida
Agreed...Wayne O is right. The gas cap works great if you just lightly turn the cap to the right until it "clicks", but DO NOT push inward while turning. It's very simple and works fine...mine is an '05, and still the original. Just don't push in while replacing the cap.
HAPPY NEW YEAR!!!
HAPPY NEW YEAR!!!
I'm still using the original gas cap on my 2005. Early on I had a check gas cap warning so I went out and bought a new gas cap. Before installing it a forum member suggested I try screwing the cap on a bit more 'loosely' than I had been. I did and everything's been fine since. I still have the new gas cap in its original packaging. 
I think a lot of the gas cap problems are because it's different than you find on many other cars...it's not made to screw down tight.
I think a lot of the gas cap problems are because it's different than you find on many other cars...it's not made to screw down tight.
Tech Contributor
Joined: Oct 1999
Posts: 41,013
Likes: 9,773
From: Charlotte, NC (formerly Endicott, NY)
He then agreed that there was in fact a TSB and free replacement, but I would have to leave my car with them for 1 hour For a 5 min. swap?
This is a good example why I choose not to take my car into service if I don't have too, it sure would be nice to go to my dealer and get, in the very least, QUALITY CUSTOMER SERVICE...and why it was much easier to just pay for the part somewhere else.
For a 5 min. swap?This is a good example why I choose not to take my car into service if I don't have too, it sure would be nice to go to my dealer and get, in the very least, QUALITY CUSTOMER SERVICE...and why it was much easier to just pay for the part somewhere else.
Bill
Safety Car
Joined: Sep 2006
Posts: 4,566
Likes: 6
From: Land of 10,000 taxes
I went home and searched CF for "gas cap" and learned the correct way to put in on
no problems since, not the first or last time CF was more helpful than a dealer
Le Mans Master
Joined: Oct 2000
Posts: 6,473
Likes: 706
From: Sausalito CA
I think the cost of a GM OEM gas cap for our cars is about $20.
Yes warranty emission - would cover - and special 2005 coverage - but as above many have to invest an hour or more to get the part for free.
Yes warranty emission - would cover - and special 2005 coverage - but as above many have to invest an hour or more to get the part for free.
Team Owner
Joined: Dec 2003
Posts: 57,408
Likes: 164
From: queensbury ny
I bought one at that autoparts store outside of the fairgrounds at Carlisle last year when mine failed.It is a 10yr/120k warranty from GM but who wants to constantly go back for a gas cap?!The one I bought was fine,tight with no issues.Much better then that GM crap.Gas caps have to pass muster with the feds or somebody out there to even make it to market so I have no clue how GM keeps getting away with this nonsense since 2005!!!
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Team Owner
Joined: Sep 2000
Posts: 24,977
Likes: 2,690
From: Far NW 'burbs of Chicago
St. Jude Donor '13
I'm still using the original gas cap on my 2005. Early on I had a check gas cap warning so I went out and bought a new gas cap. Before installing it a forum member suggested I try screwing the cap on a bit more 'loosely' than I had been. I did and everything's been fine since (I still have the new gas cap in its original packaging). I think some of the gas cap problems are because it's different than you find on many other cars...it's not made to screw down tight.
So far, 39k miles on our 2009 and gas cap is still good.
Some people do have actual problems with defective caps, but the biggest issue is that GM used a design which requires different technique from what we have been doing all our lives.
Thread Starter
Racer
Joined: Mar 2009
Posts: 336
Likes: 3
From: Huntington Beach CA
I ended up with a Stant cap non locking type. It goes on plenty tight even before the cap slips with the ratchet click. What I do is tighten it before the point where it clicks. It's still tighter than I could get with the first two stock caps I had. The only downside is I don't have the cable that secures the cap to the car when filling up. The cap is a 10841. It is less than $10 on Amazon, and eligible for free shipping.*I've been using it for a couple weeks now and give it a thumbs up!
