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All of the different auto parts sites that I've gone to make no mention of Type A or Type B /2AZ-FE; so I'd ignore that aspect for now.
At NGK's site I got IFR6T-11 for the factory replacement iridium plug.
PCV (Positive Crankcase Ventilation) valve does pretty much what the term implies: it's a valve within a system that manages the crankcase at a positive pressure and administers gaseous fumes from the crankcase into the combustion process to be burned. The PCV valve is not something that fails after a specific period of time; it's just a part that's replaced as a preventative measure.
You don't need to pull the pan unless you intend on changing the filter; because on your Toyota, there's should be a drain plug for the trans fluid. But since there is a drain plug, it allows for draining the fluid before pan removal a much cleaner task.
I did the oil and spark plugs this morning. what a way to spend the sunday morning (cursing...).
First the oil filter did not want to come off. some tarzan had fixed at at 30,000 km service.
i pulled the spark plugs. They are Denso K20R-U11, i.e. Type A!! Yesterday I bought the NGK Type A replacement.
Looking at how much they've worn they are DEFINATELY not long-life plugs. On all of them the gap is much wider than the 1.0 -1.1mm, plus, the tip has been eroded to a slant. There's a bit of soot on the ends of the plugs.
WHy does toyota say in the owner's manual that it is fitted with Iridium plugs???? I bet the Australian built camry's do not get the Iridium plugs but rather just the plain-jane ones, hence the 45,000km service interval. Someone never updated the owner;s manual though. If you tell me how, I can post a picture of the plugs.
Surprsingly, when I went for a test drive, the thing just took off with me! Felt very light and smooth and very responsive. It really made a difference, and no it's not just the placebo effect!
i had to glue my spark plug socket to the extension bar because once the park plug is in and you try pull your tool out, the socket was still stuck down the hole! I almost had cardiac arrest cos I though the socket was stuck down there. Had to glue it and pull it out like that - somehow the grommet in the spark plug socket is pretty tight and holds on better than the connection between the socket and extension bar. why did they have to seat the plugs so ---- deep in the engine block?
I might leave the auto fluid for 60,000km. next sunday I will drain and replaceme the PSF (using castorl Dexron III)