Question

Sweet interior, I familiar the rear body look like Honda Odyssey. Good handling? Really, must be lightly engine. I believe the 2.7L engine in the engine compartment are much more room and easy for the owner or mechanic to work on it. Mechanics hate to change oil filters (3.0L V6), cuz of hard to reach it and mess up with old oil filter that spill over the subframe or motor mount.
On newer 3.3L engine have built-in drain funnel that mount on the block side where the oil filter is. No worry about oil spill. Cool design.
I cant wait to see a 2.7L in a Sienna. Hey,authentic , Can you bring it over my work?
 
Grummer said:
basically if you dont change oil often enough ( i do once a year or every 2 years dont dirve that far) , the oil changes from slunge to grit, and thats not good for the engine it eventually grinds away the smoothness of the parts, and even creates 'resistence' to transfer heat, risking scores or scrapes, hell if get too hot and when oil is 'low' the temps inside gets too hot, the chances of seizure become more likely to occur.

to keep the condition of the shiny parts inside smooth and heat down, and oil's ability to pass on heat from one point to another dynamically, keeping the engine 'flowing' requires changes, not top up, and its best to have it drain after the engine is 'warmed' but not hot, so it drains quickly (and take of the top cap so gravity's/air's weight pushes down the oil more quickly too)...

grits is like red wine's sediments, it sits at the down but to oil , it sticks and making the oil's movement inside the engine to slow, this can also create 'stiffening effect'
alot can go wrong if you dont change oil more than say 3 years apart. More powerful cars, with higher tuned engines is gonna need it alot more often...
hope all this makes sense
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Agree, my mechanic experience tells me that the warmed up engine is a good candiate for oil/filter change. I does that for years cuz the hot oil in a sump (oil pan), can pick up foreign materials (like thick layer on the bottom) from bottom sump (inside oil pan) as it drains out, left few dirty film of oil inside. On cold engine you want to drain the oil, the dirty oil still left inside the oil pan cuz the oil is too thick and slow to drain out. Fill fresh oil into the crankcase and still pick up the old dirty oil there. Many mechanics are favor on hot oil change but can be get burn on hands. I know some ADers in old thread that they prefer cold engine for drain oil.
If low oil level can lead noise valve lifters, seize connecting rod(s) or crankshaft bearings.
You know that some oil filters are not 100 percent to protect the engine damage cuz the dirty oil can clogged the oil filter or oil bypass inside the filter and contaminate the bearings. The element inside the oil filter, can be burst out and let dirty oil to flow thru the oil galleries and damage the bearings
 
deafsmogtech said:
yeah, The 2.7L engine use timing chain instead of rubber timing belt. Bad for mechanics. Victory for owners for not spend $$$$ on timing belt and very little
repairs. I've not molesting the 2.7L engines since they introduced. I feel bad and nothing.
I wondered they fed up with 3.0 & 3.3 L V6 engines in Sienna vans cuz of cost of production, put the 2.7L engines and save material weights and try to attract the buyers? I guess so. I love the V6 engines in Siennas that keep me busy and make money.
You saw it at ur work?
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I haven't seen it at work. I saw the pictures of it online. The last time I drove around the one with 3.3L V6 (previous generation model) last year.
 
deafsmogtech said:
Sweet interior, I familiar the rear body look like Honda Odyssey. Good handling? Really, must be lightly engine. I believe the 2.7L engine in the engine compartment are much more room and easy for the owner or mechanic to work on it. Mechanics hate to change oil filters (3.0L V6), cuz of hard to reach it and mess up with old oil filter that spill over the subframe or motor mount.
On newer 3.3L engine have built-in drain funnel that mount on the block side where the oil filter is. No worry about oil spill. Cool design.
I cant wait to see a 2.7L in a Sienna. Hey,authentic , Can you bring it over my work?
Click to expand...

Lol, that sounds messy for sure.
 
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