03 H6 OBW & 06 WRX Sportwagon
a 19 year-old tensioner could easily be weak.
With the serpentine belt on it? I can’t move it with my thumb. I took a video of it here . It isn’t quite as obvious in the video as it is in real life but you can see it bouncing back and forth slightly. I had a ticking sound coming from (what sounded like) somewhere in the serpentine system last week so I’m wondering if those two things are related. Or, that amount of movement might be completely normal and I just haven’t noticed before now.I wil try to take a look under my hood but, pretty sure it doesnt move 180*. If you push on a long section with your thumb, is it 'easy' or 'difficult' to deflect 1/2 inch?
It won't do anything positive(won't hurt anything either, unless you get in a situation where you need the xtra traction) - unless you're doing it because you have mismatched tires, in which case you should already be in FWD. All the same frictional losses are in the system turning, and the car weighs the same.Still debating about putting it in FWD mode for my upcoming 500 mile trip.
I keep thinking that the rear wheels are basically "in neutral" with everything connected and the system operating in "Not FWD" mode (regular?) I apologize if I am making this complicated.It won't do anything positive(won't hurt anything either, unless you get in a situation where you need the xtra traction) - unless you're doing it because you have mismatched tires, in which case you should already be in FWD. All the same frictional losses are in the system turning, and the car weighs the same.
There are threads of what people do before road trips, like, roll the front windows down and pinch those gussets together at the front to stop wind noise.
Ahhh. Just reminded me. I have to take some weird miscellaneous **** from the P/O out of the carpet under the cargo. Someone put something back there yesterday (groceries. Normal) and somehow, someway, lifted up the carpet.. Saw some stuff that a cop COULD take for paraphernalia (paper, but, I digress) and have to get that out.yeah, leave it in AWD (no fuse in FWD slot), never read a single report of FWD fuse use leading to increased mileage in a decade+1/2 of reading about Subarus.
good idea taking the crossbars off.
when was the last time you checked the pressure in the spare tire?
My H6 had that noise too. Localized rattling at the front. That H6 cover was life. Loved it.sometimes, a weak timing belt tensioner can mimic rod knock, I suppose it could sound like piston slap too but, others would know better. There's a video on Youtube about the tensioner sounding like rod knock.
I have a 3.0 , I think the best mileag I ever got was around 26, usually it runs 24 - but highway speeds are quite high on our run from DFW to Colorado. Keep your speed down, drive smoothly, no jack-rabbit starts....you'll maybe get better than 26?
Funny you should mention this.. I threw one quart Mob 1 15W-50 into my oil mix (took a quart out. Easy with Fumoto valve) and my engine really is quieter, my paranoid self thinks "everything" is piston slap.I need to do an oil change. Probably do that tomorrow. Thinking about running a little heavier than 5w-30. Like a 5w-40 or 10w-40.