Date: Sun, 11 Mar 2007 23:24:24 GMT From: - Bob - <uctraingnospamanet.com> Subject: Re: SAAB 9-5 fluid changes
On Fri, 9 Mar 2007 17:02:53 -0800, "Richard Sauer" <chongkilnospamast.net> wrote: >One more statement from Sclar's book: > >"When you start your car in the morning, do you warm it up before you drive >off? If you do, no good! Most manuals caution you not to indulge in lengthy >warm-ups. They waste fuel, pollute the air, and increase wear on your >vehicle." pg. 510 True or False? I always imagined that letting your car >warm up would allow the fluids to circulate, but that might be an >old-wive's tale. > >Rich Mostly true. Let it warm up enough that the oil is flowing. That's maybe a minute at most in very cold weather. I've seen some guys who have it in gear before the starter has even stopped spinning... not good. I have a manual, I like to let the tranny spin in neutral for a ten seconds to flow the oil before engaging a gear. But, not much time either way.