Stuck fuel filler cap

saywell

Registered

The yellow light is on with 25 miles left in the tank, and I can’t open the filler cap!

The car was icy this morning, but all defrosted now [mid-afternoon], and I’ve tried blowing warm air through the crack with a hair dryer to no avail.

I haven’t opened it since well before Christmas, so the cold weather [only a bit below freezing — we’re not talking Canadian or Scandinavian temperatures] may be coincidental, and it’s a lock actuator failure. Or just the press-and-release gizmo?

Anyone got any helpful hints as to what to try next — apart from a visit to the Stealer?

Tigeos

Registered

Have you tried the thread at http://www.mytiguan.com/index.php?/topic/21898-fuel-cap-door/ ? If not, that might provide the answer.

BTW I’ve found a product called ‘101 Maintenance Spray’ very good. It cured my squeaky clutch pedal bearing when nothing else seemed to and only cost 99p from the ‘This Is It’ (old Woolworths) store in Poole.

Current: 2015 1.4TSI Bluemotion Match, Pure White, Folding Mirrors, Cruise Control

Previous: 2010 1.4TSI Bluemotion SE, Black, Park Assist, MFSW, Cruise Control
Dorset, UK

Old Dog

Premium Member

I’ve read a couple of posts on the web that suggest as above; try locking and unlocking. Make sure all doors open and lock, then retry. It could be the actuator as you say. Another thing I came across is taking the boot panel off and see if you can see/reach the actuator. Maybe applying some gentle heat to it may help if iced up or some gentle taps in case it is stuck.

That’s about all I can suggest.

Naresh

myTiguan Pro

Funnily enough I had this same problem yesterday morning. The filler cap wouldn’t open at the garage but after a couple of firm taps it opened up. I found a build up of ice at the base of the actuator which I had to clear to allow the flap to close again. This coincided with the recent cold conditions in the UK and washing the car the day before.

This seems like a minor design flaw to me as I have never experienced such a problem before on any other car.

2011 R Line 140 DSG ( RIP , Gone but not forgotten )

2016 R Line 184 DSG ( mods, pics and more mods to come )

Based in Birmingham, UK

Registered

Once I spent 5/10 minutes at gas station to open it. It was a warm day. I never have Ice, the minimum in this region is around 4ºC.

I tried several times to open it while closing and opening the car. I even had to disable the «beep» because everyone was looking at me.

At some point it just opened and it’s working ok for several months.

My Mk1 Tiguan:

Tig 170

Registered

Mine has this characteristic also, but only twice in 6 years has it caused a problem when filling up. Usually removing the keys, and starting the car then removing the keys again (or gently hitting the car around the fuel filler area) clears the fault. When I do a VCDS scan every year or so, the system says that I’ve got an intermittent fault on the actuator. I suspect that its loose wire on the earth, but so far its hasn’t caused too much issue ( I try to remember to fill up when I’ve 100 miles left) to warrant myself trying to locate the exact source of the problem.

saywell

Registered

I had tried repeated locking/unlocking to no avail.

I took it to the stealer yesterday, who replaced the actuator under warranty [while I waited!], so all tickety-boo now.

Old Dog

Premium Member

I had tried repeated locking/unlocking to no avail.

I took it to the stealer yesterday, who replaced the actuator under warranty [while I waited!], so all tickety-boo now.

Registered

I have found a workaround for this issue, already explained to 2 friends and worked for them.

Just have to make a little pressure in the cap while locking/unlocking. Usually we lock/unlock and then we try to open but we never touch the cap while unlocking. Just try, little pressure when unlocking.

My Mk1 Tiguan:

nelnun

Registered

I have found a workaround for this issue, already explained to 2 friends and worked for them.

Just have to make a little pressure in the cap while locking/unlocking. Usually we lock/unlock and then we try to open but we never touch the cap while unlocking. Just try, little pressure when unlocking.

Oh yeh,
Thanks n4s for the tip 😉 You have saved my day last week eheh

What I found out is that this issue only appens if I try to open the cap with the car locked!
After disassembly the actuator, I found a little problem in motor brushes, but. it didn’t solved the problem, it seems to be wear in some plastic parts.

Poor contact between the brushes and the rotor:

Registered

Thanks n4s for the tip 😉 You have saved my day last week eheh

When I wrote «already explained to 2 friends and worked for them» you’re one 😉 😉 😉

Nice pictures, good work!

My Mk1 Tiguan:

PNWHappyTig

Registered

Thanks everyone for the tips! This just happened to me and I drove away without getting gas (so I didn’t hold up the line). Tried the lock and unlock trick, which did not work at first. Then added a bit of pressure, more lock and unlock, voila! Eureka. Fingers crossed that this won’t happen again.

Love this forum and all of the help! Thank you!

Cupidstunt79

Registered

albrooks66

Registered

After a lot of research, videos, discussions here, &. &. & I thought that I had found a solution to find out that I hadn’t when I went to fill up! And no, the actuator wasn’t sticking. it was just refusing to actuate.

And when I read that someone had replaced theirs a couple of times in a period of 2 years or so, I decided that when I finally did get the fuel door to open to fix the problem by removing the actuator’s locking ears.

So now the fuel door doesn’t lock anymore &, in hope that no thief figures it out, I open it with my finger nail.!

Maybe some day someone will come up with a locking gas cap. or better yet, VW replaces the flaky actuators with ones that work.

tricky

Administrator

Volvo XC40 Inscription, B4 mild hybrid AWD

Previously, 2015 Tiguan Match 177ps DSG 4motion, nimbus grey, with loads of goodies for 6 years, caravanner.

Registered

alanp

Registered

funny this as its happened to me twice so far in 3 weeks of ownership. first time I had to get the bloke in the petrol station to help me. just refused to open.

2nd time I locked and unlocked it about 40 times and then it opened. with the car under warranty, I think this may need a trip back to the stealers.

mike2020

Registered

I first notified the dealer service dept THREE years ago regarding the non-working flap, and every time they told me «it’s fine and works well». By luck, after the last service (and the fifth time I had reported it) when I was told yet again that they had checked it and it was working well, I tried it in the dealer’s car park and it failed. The electronics tech eventually rocked up and said «Oh, yes, it’s a faulty actuator» — it has worked as it should ever since.

The point I wish to make is that VW won’t replace a part unless THEY have seen it fail ie they don’t trust the customer to report an intermittent fault and then act on it. I just wonder if this is company policy or just an aberration in this part of the world?

2021 Tiguan 147 TDi 4 Motion Elegance, King’s Red, DSG with tow bar+sound package and interior/paint protection.

2013 Tiguan 103TDI 4-Motion Pacific. Wild Cherry Red. DSG. Tow bar. Body mouldings. Bonnet and headlight protectors. Glorious Russian bonnet gas strut lifts.

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