When to replace timing chain on Toyota Corolla?
The 1.8L 2ZR-FE in the 10th gen Corolla is an updated version of the 1ZZ-FE with dual VVTi instead of VVTi on just the intake side only. Not many mega mileage 10th gens, but everything so far points to similar lifespans. Only real way to know if the chain needs to be replaced is to measure the distance between several links of the chain.
Are there timing chain issues on Toyota 2Zr Fe?
Both the 1.8L 2ZR-FE and the 2.4L 2AZ-FE have shown some VVTi issues – from excessively worn sprockets to damaged or leaking timing chain tensioners.
When to take timing chain tensioner off Toyota VVTi?
If you notice any knock or rattle on a cold startup or excessive valvetrain noise, or notice any leaking around the valvecover gasket or timing chain tensioner (pretty common on all VVTi engines once you get around 100k miles (160k KM) – be a good idea to pull the valvecover off and take a peek.
What causes the timing chain tensioner to fail?
What usually happens is the the timing chain guides wear or the timing chain tensioner fails causing the timing chain to rattle. What causes the timing chain tensioner to fail; from the ones that I have replaced is poor oil change schedules; the tensioner is oil feed and the orfice gets plugged with oil sludge from the lack of oil changes.
How to check timing chain status VVT-i?
How to check timing chain status VVT-i engine Toyota. Years 2000 to 2008. – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations.
Where are the timing chain marks on a Toyota 1ZZ-FE?
Intake VVT-i Gear Marks… Exhaust Gear (Non VVT-I) Marks… Now when you mark everything up, you can still reference the CamGear Marks located in the center. They may not line up exactly facing each other, so keep that in mind.
Where do the timing chain Marks line up?
Here are some pics of the timing chain set up at TDC. If you pay close attention to the background, you should be able to determine where the marks should line up even if the timing chain marks aren’t lining up. TDC… Intake VVT-i Gear Marks… Exhaust VVT-i Gear Marks… Good info here!