You can do it yourself with not that many tools.
Toyota timing chain tensioner o ring replacement.
Seems to be a genuine oem part.
There is no kit for that job just all the gaskets for whatever you take off.
It s a common problem on the 2003 to 2008 toyota corolla for the rubber o ring on the timing chain tensioner to become dry and brittle after a few years.
From what i ve seen a chain stretched enough to cause p0016 is in the 3 4 range.
If you are concerned replace whatever parts you desire.
If your chain really is elongated you ll notice an improvement when it s replaced.
The timing chain noises can range from rattling to whirring whining or buzzing.
Then motor oil begins slowly leaking out from around the timing chain tensioner assembly.
Customer brought to a shop and they wanted to replace parts that looks like it was leaking but the real problem was that the timing chain tensioner gasket w.
Toyota did not diagnose the leak i only asked for a price to change the o ring.
A worn timing chain chain guides or chain tensioner can also cause a variety of noises originating from the timing chain cover area of the engine.
Guides uncategorized toyota uses both timing belts and timing chains in their vehicles and it is important to know which type your vehicle employs.
This is because as the chain wears out it stretches and the ignition and valve timing becomes more retarded.
2010 corolla timing chain tensioner gasket.
The chain does not need to come off so no worries about timing it.
Should be approx 1 2 or less.
You can just replace the failed tensioner nothing else really goes wrong with that system otherwise as far as guides etc.
There is a possibility that you could cause the timing chain to jump timing.
Before you tear into it i d remove the 4 bolt tensioner cover plate and snap a pic of the 1 chain tensioner showing how far the plunger is extended.
Search google for toyota nation diy 2003 2008 corolla matrix timing chain tensioner replacement.
Not recommended for everyone.