What should the oil pressure be on a cold start?
Starting from 0 psi oil pressure in a static engine, it should be no surprise that it might take a moment or two for pressurized oil to get everywhere during a cold start. Perfectly normal.
Why does my Peugeot engine Rattle every morning?
The most likely cause is the tensioner or the pulley for the cambelt. It disappears as oil moves around the engine. Talk to the dealer about the oil they use. Congrats on buying a Peugeot.
Why does my multi cam engine rattle when I start it?
Most OHV multi cam engines are noisy for a little while when first started from dead cold. If it has a chain drive OHC. The I would suspect the timing chain tensioner which would be Hydraulic, run by the engine oil pressure. As it has no pressure on the chain the chain rattles against the cover.
Why does my car rattle on a cold start?
When from a cold start I get this annoying startup rattle for 1-2 seconds then it’s gone. Engine is very quiet after this initial rattle. Car drives fine etc. As I am aware this is a widespread problem but nobody has a definitive answer to solve this.
Why do engine make knocking noise when cold started?
It’s like a clacking or grinding sound, almost like if something was touching the fan, and it gradually go away as the engine warms up until it’s running smooth. I think you may be dealing with engine sludge. It blocks passages when oil is cold, but hot oil begins to penetrate through the mess.
When do you cold start a Lexus V6?
The first cold start of the morning some Toyota and Lexus V6 owners, especially those who have the 2.5L or 3.5L V6, notice a loud rattle the first few seconds after startup. The noise disappears after the car builds oil pressure.
Starting from 0 psi oil pressure in a static engine, it should be no surprise that it might take a moment or two for pressurized oil to get everywhere during a cold start. Perfectly normal.