Toyota Innova Gas Tank woes

[fourtheboys96]

good day to all innova owners, i'm confusion which is right or wrong. In previous page it was discuss that having full tank always will prevent the this gas tank problem and right now ginnova experience having always empty tank doesn't have cause any problem at present. my question now, which between having full or empty tank can cause more vacuum pressure?

pakisalin (translate) po sa Filipino para maunawaan ng maayos at masagot ang inyong katanungan. salamat!

[shibby75]

the more you open your filler cap, the less negative pressure that can accumulate.

[Ginnova]

so the more frequent you gas-up, the better? Bihira ako mag-full tank. kapag long drive lang. medyo mabigat din kasi ang fuel.

[annika]

I'll guess I will change my habit of having fuel once a week. sir ginnova gaano ka ba kadalas mag pa gas weekly? thanks

[Ginnova]

mga 2X a week

[shibby75]

Yun nga din iniisip ko, why the hell does the gas tank accumulate negative pressure? My innova does that even when Bnew.

I think the tank has a regulated vacuum relief valve. kung totally nagetive pressure yon, mag crumple na kagad on the first full tank pa lang.

Ayoko lang makipagtalo sa casa at ubos oras. wala naman sira. Buksan ko na lang gas cap ko twice or thrice a week on a full tank of gas.

[Mile2]

the more you open your filler cap, the less negative pressure that can accumulate.

Actually done that during those days when my gas tank floor was already warped and it did not helped, probably due to long travel hours (2-3hrs) per trip. At the parking lot I usually open the filler cap and immediately a loud metal popping sound will be heard underneath.

What actually lessen the negative pressure was, when the dealer cleaned the filler cap breather holes and the removal of that small filter mesh on top of the filler cap's breather holes.

I would highly suggest an annual checkup of the filler cap breather holes or even replacement if necessary.

[jaymd]

ang bango ng garahe namin ngayon yun pala may tagas din innova namin. BTW 2008 vvti V model. Napalitan na leaking shocks under warranty tingnan ko bukas kung ano sasabihin ng casa.

[jaymd]

yun innova namin out of warranty na sabi ng service advisor la daw sila alam na defect ang innova sa tank. last toyota na namin yun innova

[brinck05]

For all Innova owners better start checking our tanks....mahirap na baka sa huli ang pagsisisi....

[denzcortez]

hayy yung sakin tumagas na naman. Yung una na remedyuhan namin sa talyer, after 2 weeks tumagas na naman. Ngayon ko lang nabasa itong thread na ito meron pala talagang ganitong problema. Try ko muna maghanap nang 2nd hand na gas tank na walang sign of warping, then bili ako nang charcoal canister and new filler cup. Meron na bang nakabili nang charcoal canister sa banawe? sana me makita ako mas mura. Kung wala sa casa talaga.

[dr. d]

a few years ago, we put E-10 gasoline in our car and didn't use it for some time. a few weeks later, we tried starting it, but it refused to. finally, after looking at everything else, we found out that the fuel inside the tube and tank had solidified! we replaced the victimized parts.
i am thinking now, that, is it possible the innovas being mentioned in this gas tank deformation mystery, are a victim of their breather tubes being clogged by alcohol-gasoline fuel mixture? has anyone examined the breather tubes of these tanks?
btw, we had since sold this car...

[denzcortez]

hindi kaya sa vacuum valve ang problema? i got this from toyota otis website:

Fuel Tank Cap

What is a fuel tank cap?

It is a cap for the fuel tank.

Importance of inspecting the fuel tank cap
If the gasket is damaged, gas evaporates into the air.
If the vacuum valve malfunctions, air cannot be drawn into the tank to replace the fuel used. Then, a partial vacuum occurs in the tank causing an indentation
Evaporated gas
In the fuel tank, some fuel vaporizes, containing a large volume of poisonous HCs (Hydrocarbons).

Gasket
Vacuum valve

[jaymd]

update lang sa innova namin. i-cover na daw ng casa under warranty sabi ng SA palit tank (daw) and cap kahit almost 4 years old na yun car. di daw sila aware na may defect ang tank ng innova e bakit pati yun cap papalitan nila? guilty haha. kaya yun may mga out of warranty na sa inyo try nyo na din muna sa casa sayang e

[erwinreyes888]

update lang sa innova namin. i-cover na daw ng casa under warranty sabi ng SA palit tank (daw) and cap kahit almost 4 years old na yun car. di daw sila aware na may defect ang tank ng innova e bakit pati yun cap papalitan nila? guilty haha. kaya yun may mga out of warranty na sa inyo try nyo na din muna sa casa sayang e

sir saan casa mo dinala?

yung innova G (2005) namin, nagpalit na kami last May/June under insurance.
Sabi ng talyer, baka daw may tumama. Today, pagkagising namin, may amoy na naman na gas. Ayun, butas ulit same area.

May recall na ba si Toyota tungkol dito?

[wolfmanila]

Mahirap mapansin kung may sign na, pero kung palagi mong nasisilip ang ilalim maari mong makita agad. Sa umpisa maliit na dent lang sa malapit sa front gas tank strap support and then palaki na ng palaki at palapad ng palapad ang dent and then eventually you will hear metal popping sound sa ilalim after na pumarada ka at patay makina for about 10-15 mins. Yung popping sound sa gas tank floor ay sign ng pressure relief after the engine is off.

katakot naman...
parang hindi ko pa nasisilip ito mula nung inilabas (Dec 8, 2008) ko sa Casa innova ko... masilip nga tonight. huwag naman sana. lahat po ba ng VVt-i victim nito?

so far wala pa akong na-experienced sa ride ko na tagas/amoy ng gasolina.

Thanks
-dongb

[crazy_boy]

our 2005 vvti innova, with 28,000km doesnt have the gas tank problem. laging full tank yung innova namin kahit hindi namin gamit.

[efive99]

Na-gawa na Innova namin thru casa kahit out of warranty. I'll post the story later. Don't pay out of pocket.

[Mile2]

Kindly post your story.

Ako 2 months ko pinaglaban yung 2nd gas tank ko sa casa..

[erwinreyes888]

Yung first gas tank ng innova namin, napalitan under insurance, now butas ulit.
Hirap kausap insurance, sabi may tumama kaya hindi pwede i-claim warranty sa Toyota yung gas tank. Hay naku, nag-tuturuan yung insurance at toyota.