Date: Mon, 12 Feb 2001 18:32:44 -0800 From: Johannes H Andersen <johannes.andersennopsamel.ac.uk> Subject: Re: Noisey valves on start-up
"us,ppp,dcathey" wrote: > > Ladies & gents, > I recently bought a '92 900S 16V DOHC with 87K miles. A valve job was > just done by a reputable garage (Main reason for valve job was that the > head had been pulled for a blown head gasket. The rest of this baby > appears to have been well maintained, and the 87K miles are real.) > My concern is that when the car is started up in the morning the valves > make a diesel-like clackety-clack noise for probably 2-3 minutes before > they quiet down. I'm in California, so it's not very cold here. I know > that it should take a little while for the oil to get pumped up there, > and when that happens, that's what quiets thing down. The oil was > changed about 500 miles ago, and I'm not sure what grade was put in (I > just bought the car.). > So...how long should it typically take for valves to quiet down? > Thanks in advance, > Dennis This phenomenon is explained in the instruction manual, up to 5 minutes of clattering if perfectly OK, don't worry. I find it a quite reassuring and sporty noise; the horses are ready for work. Johannes