Slight engine tapping when cold...

[tedhodges]

Guys,

The new Accord sat overnight in the extreme cold, and when I started it up today it had a very slight tapping. Only happened when reving or holding engine speed, not when decelerating. The noise went away once it ran for a few minutes.

I know these don't have lifters like the G1 Legend does, so should I be worried? Could the valves just be off?

[carotman]

Tapping under load might come from the rod bearings.

What oil weight do you use?

[tedhodges]

I'm not sure what oil weight it is, I just bought the car two days ago.
I do know that the tapping goes away once the engine is warmed up.

[Oldblueaccord]

10w40 is about all these motors can stand in cold (below 32) weather. Make sure to let the car run a few minutes before it sees any load or rpm. I would not rev it past 3 grand until it is fully warmed up.

You might also look at replacing your oil pump this might help the low oil pressure at idle.


wp