Engine Cool Down Time?
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Junior User
Joined: Apr 2004
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Engine Cool Down Time?
Hey Guys
I own a 2002 PSD F350 S/W 7.3 S/C 4x4 A/T with 28000 miles on it, with no heavy hauling as of yet. I do run 55-65 on the highway 50% of the time along with stop and go traffic. My question is, how long should I let it idle down before turning off the engine? I know the manuel advises 7-10 minutes after towing a heavy load. I want my turbo to last.
Thanks
I own a 2002 PSD F350 S/W 7.3 S/C 4x4 A/T with 28000 miles on it, with no heavy hauling as of yet. I do run 55-65 on the highway 50% of the time along with stop and go traffic. My question is, how long should I let it idle down before turning off the engine? I know the manuel advises 7-10 minutes after towing a heavy load. I want my turbo to last.
Thanks
Post Fiend
Joined: Aug 2002
Posts: 5,324
Likes: 1
From: Denton,TX
I would follow what the owner's manual says until you get a set of gauges. You can also buy a device that automatically shuts down the truck when it has properly cooled down. I have no idea how much these cost though.
Last edited by johnsdiesel; May 13, 2004 at 02:36 PM.
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Junior User
Joined: Apr 2004
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I guess your right John. I thought since I have not done any heavy hauling, the idle time would be different. I do need the gauges and plan on getting them soon. I have to find a place in Balto, Md that could install them.I am leaning toward Autometer gauges.
Thanks again
Thanks again
Fleet Mechanic
Joined: Aug 2003
Posts: 1,771
Likes: 95
From: Phoenix, AZ
With today's turbo's, turbo bearings and turbo lubrication, some will argue if a cool down is really necessary.
If you are concerned and want to cool your PSD down, get a pre-turbo installed pyrometer and a turbo timer. Lots of on line sites sell the gauge and timers.
Most will suggest that 300 degrees is a good EGT target temperature before shutting down.
If you are concerned and want to cool your PSD down, get a pre-turbo installed pyrometer and a turbo timer. Lots of on line sites sell the gauge and timers.
Most will suggest that 300 degrees is a good EGT target temperature before shutting down.
Laughing Gas
Joined: Apr 2002
Posts: 1,007
Likes: 1
From: Newport News
BlueMonster,
Check out http://www.novaps.org/Sovaps.asp They're up in your neck of the woods, so check em out. I'm sure they'd be more than willing to help you get the guages in.
Terry
Check out http://www.novaps.org/Sovaps.asp They're up in your neck of the woods, so check em out. I'm sure they'd be more than willing to help you get the guages in.
Terry
Lead Driver
Joined: Jun 2003
Posts: 8,298
Likes: 24
From: Damon (South East Texas)
You will be surprised how quickly the exhaust temps change when you get your gauges. After normal driving, my exh temp drops to 300 after about 30 to 45 seconds of idling. After a hard run, it may take a couple of minutes. I haven't towed since I installed my gauges, so I can't tell you how long of an idle is necessary. It seems that no more than 5 minutes should be necessary.
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