6.0L Warm-up times? - Diesel Forum - TheDieselStop.com
6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

Diesel Forum - TheDieselStop.com > 1999-2007 Ford Super Duties > 6.0L Power Stroke Engine and Drivetrain > 6.0L Warm-up times?
 
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post #1 of 7 (permalink) Old 12-08-2015, 02:02 AM Thread Starter
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6.0L Warm-up times?
My 6.0 van takes an extremely long time getting to operating temperature. Today, I idled the van in 55 degree temperature for about 20 minutes and the needle moved about an eighth of the way to operating temp. Does this seem like excessive warm up time or is this normal? My 2000 7.3 warmed up in 15 minutes even on cold days, the 6.0 seems to take much longer. If I keep idling, the needle will eventually get to operating temp, I know it's not a problem with the thermometer registering the correct temps...it just takes forever to get there!
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post #2 of 7 (permalink) Old 12-08-2015, 09:57 AM
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my '04 takes about 5 minutes to reach 100 d.
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post #3 of 7 (permalink) Old 12-08-2015, 10:43 AM
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I let my 2004 idle for 5 minutes minimum, 15 minutes maximum depending on the outside temperature.
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post #4 of 7 (permalink) Old 12-08-2015, 12:59 PM
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Try changing your thermostat. They fail open.
2006 F250 Lariat Supercrew, ESOF 4x4, 18" tires, FX 4, HD Alt., block heater, Integrated Trailer Brake Controller, Upfitters, power rear window, cab lights - delivered 10/25/05

Ford Remote Start; High idle mod; Timbren load levelers, Scangauge II, Blue Spring upgrade, Quick Start 200 amp large frame alternator, 2 batteries January 2010; GPCM replace October 2011; 2 EGR valves; EGR Cooler replaced 12/30/11; Performance Machine & Mfg. coolant filter added 1/2/12; Rotella T6 5W40 oil; turned rotors, replaced brake pads for 1st time 1/7/12 101K miles; GPCM, both subharnesses and all 8 glowplugs replaced 1/5/13 at 118,000 miles; 2 Ford batteries replaced under battery warranty twice, the latest 9/18/2015; FICM power supply board replaced with Dorman board 11/20/13. Coolant flushed and replaced with Prestone ELC 9/27/14. STC fitting 10/19/14; Dummy Plugs 11/8/14; Turbo rebuilt 11/29/14; cold side CAC tube and boots replaced with metal tube 1/24/15; replaced hot side boots 1/30/16.
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post #5 of 7 (permalink) Old 12-09-2015, 12:50 AM
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Originally Posted by drew5250 View Post
My 6.0 van takes an extremely long time getting to operating temperature. Today, I idled the van in 55 degree temperature for about 20 minutes and the needle moved about an eighth of the way to operating temp. Does this seem like excessive warm up time or is this normal? My 2000 7.3 warmed up in 15 minutes even on cold days, the 6.0 seems to take much longer. If I keep idling, the needle will eventually get to operating temp, I know it's not a problem with the thermometer registering the correct temps...it just takes forever to get there!
Try using your block heater and a timer set for 3 hours before you leave. It takes forever for a diesel motor to warm up without any load on it. If its 55 out and I use the block heater for 3 hours my ect and eot are usually about 110 degrees or so when I fire it up, I idle for about 5 mins and then put a light load on it by driving easy until it gets up to operating temp. The transmission is still only about 70 degrees or so when you start it, but it warms up much faster than the engine anyways.
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post #6 of 7 (permalink) Old 12-09-2015, 01:14 AM Thread Starter
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Originally Posted by CycleVIN View Post
Try using your block heater and a timer set for 3 hours before you leave. It takes forever for a diesel motor to warm up without any load on it. If its 55 out and I use the block heater for 3 hours my ect and eot are usually about 110 degrees or so when I fire it up, I idle for about 5 mins and then put a light load on it by driving easy until it gets up to operating temp. The transmission is still only about 70 degrees or so when you start it, but it warms up much faster than the engine anyways.
Thanks to all for the advice! Sure enough, I checked the thermostat and it was open, a new thermostat is on its way!. I bought a timer and I'm going to use the block heater in the morning. I knew something wasn't quite right.
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post #7 of 7 (permalink) Old 12-09-2015, 10:52 AM
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Ten minutes of idling on my autostart gets mine over 100 even when 0 outside.
2006 F250 Lariat Supercrew, ESOF 4x4, 18" tires, FX 4, HD Alt., block heater, Integrated Trailer Brake Controller, Upfitters, power rear window, cab lights - delivered 10/25/05

Ford Remote Start; High idle mod; Timbren load levelers, Scangauge II, Blue Spring upgrade, Quick Start 200 amp large frame alternator, 2 batteries January 2010; GPCM replace October 2011; 2 EGR valves; EGR Cooler replaced 12/30/11; Performance Machine & Mfg. coolant filter added 1/2/12; Rotella T6 5W40 oil; turned rotors, replaced brake pads for 1st time 1/7/12 101K miles; GPCM, both subharnesses and all 8 glowplugs replaced 1/5/13 at 118,000 miles; 2 Ford batteries replaced under battery warranty twice, the latest 9/18/2015; FICM power supply board replaced with Dorman board 11/20/13. Coolant flushed and replaced with Prestone ELC 9/27/14. STC fitting 10/19/14; Dummy Plugs 11/8/14; Turbo rebuilt 11/29/14; cold side CAC tube and boots replaced with metal tube 1/24/15; replaced hot side boots 1/30/16.
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