shotgunjimmy

^^ good advice

oakfloor

Its not a TCT, or brand of oil, or weight of the oil, its the starter failing to retract after the engine starts. You need a new starter. And if it keeps sticking and grinding, then a new flywheel also.

dezignpro04

Thanks. I am thinking this as well. If I wait till the starter goes bad, will that cause any problems. I haven't been able to get the car to make the noise again, so I may just wait for it not to work. But I dont want to do that if it will in effect break something else.

cdelena

When Honda had my transmission out they put it back together without the upper start bolt. I found later during a clutch job that there was unusual wear on the starter gear as a result. A possible cause...

dezignpro04

Nice. I will check for that bolt. Thanks

Skatethesea

this only happens to me once it gets below 40 degrees outside over night. I dont know what it is. But even when it is under 40 it doesnt happen every time.

snakeeater

If it's cold and your battery is marginal, the starter may not spin fast enough to properly extend the bendix. This could cause the gears on the starter and flywheel to grind against each other, rather than fully engage as normal.

CosmosMpower

Mine does the same thing, I replaced the battery a year or two ago but the starter is probably bad on mine as it has 120K+ miles. Mine mostly only does it in the morning and until the engine gets up to temp. I may put a battery tender on mine overnight to see if it's a weak battery and just go ahead and replace the starter if that doesn't work.

Like someone said, oil viscosity or TCT has nothing to do with this. TCT is a different noise than the grind you get if the car is already running and you try and start it again.

jyeung528

without an explanation or logic, my startup grind went away when i switched to amsoil 5w40 from amsoil 10w30. this was for at least one month.

when i topped started topping off with leftover amsoil 10w30 i got the startup grind the next day.

maybe it is just a coincidence, but perhaps someone else can corroborate my observation.

cdelena

There is no motor oil flow to those parts. Any change is a coincidence.