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Something I'm not use to hearing

12ga diesel

12ga diesel

Jack of all, Master of none
Messages
1,766
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Location
McHenry,IL
So this is my first winter with my Cummins and have heard couple things that I haven't heard while owning this truck and driving it during the warmer months in the spring and summer months.

We have got our first big snow and big frezze of the year. The last 36 hours it hasn't been above 9* day or night. At night it has been getting below 0* actually. A little earlier then normal, but I'm fine with it. So I started the truck up after being pluged in all night yesterday morning and when I started it up, I heard it start real "hard". Like it hadn't been pluged in at all. Almost like a siezed up sounds. It ran fine, got heat going with in a couple minutes, and drove like it would when it was -1* outside. The thing that really bothers me is when I turn it off. The truck can run for 5 minutes or 2 hours, and when I shut it off, I don't hear the "squeak" like I would in the warmer temps. I now hear when I shut it off, it stops suddenly and it makes a I guess the best way I could decribe it would be alike a "thud" sound. The closest sound I can think of what it sounds like is it seizing up. It just sounds different. Is this something I will just have to get used to while it's this cold out, or is something up?
 
It's a little warmer today, about 19* and it wasn't as bad this morning and this afternoon, didn't hear it at all. Truck shook like it normally does when I turned it off.
 
They definitely start making some funny noises when it starts getting colder.

You outta try starting mine when it gets cold out.......

It huffs like a big cam gas motor.

The combo of big injectors, dual pumps, and cold weather make it it lope like an old school hot rod until it warms up a bit.

woof, woof, woof, woof, woof, woof, woof, woof.........

:cornut:
 
Cumminalong said:
They definitely start making some funny noises when it starts getting colder.

You outta try starting mine when it gets cold out.......

It huffs like a big cam gas motor.

The combo of big injectors, dual pumps, and cold weather make it it lope like an old school hot rod until it warms up a bit.

woof, woof, woof, woof, woof, woof, woof, woof.........

:cornut:
Click to expand...

Oh yeah, it's been Woofin' quite a bit the last couple mornings. It sounds even better when the High Idle kicks in!:thumbsup: Should see the looks on the faces of parents when I'm in the parking lot of the preschool when I'm dropping off the kids in the morning.:eek:
 
Yeah, it's funny to see folks faces if I'm idling past and truck hasn't been running for a minute or two.

You'd think it was an old cammed out rat rod with a bad rod knock......

):h
 
Well it's got warmer around here in the last few days, and the sound I was hearing before is gone. Starts up and shuts down the same way it has since the day I bought it. I guess what I was hearing is something I will have to get used when it gets down in single digits and below.
 
Have you considered using synthetic oils? I know it doesn't get real cold in FL, but even in our mild climate the synthetics made a BIG difference in cold starting.
 
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