It has been very cold here in SE PA for this time of the year. I made a recording of my truck, a 2016 6.7L starting in 4 degree weather without being plugged in, it's too lame to even post. On the other hand I remember my old truck, a 1999 7.3L trying to start in the same temps and forgetting to plug her in.

I wish I had a recording of that, cycled the glow plugs 4 times before she would start, the sound she made was gut wrenching, but she started and after 5 minutes of idling we were good to go. I had that truck for 17 years and 221,000 miles. I traded her in for the 2016 6.7L

I love my 2016 6.7L ,but I still miss my 1999 7.3L.

Question for the 6.7L truck owners, does your truck take along time be for you get any heat in the cab?
My truck, 15 miles @ 60 mph before I get any noticeable heat,temp gauge very slow to rise.
The truck has 14,500 miles, could I have a bad thermostat?Or is this normal?

 

You can blame those concerned citizens who call the cops because your diesel idling woke them up at 0900. Delete it and you will get your sweet sound of dieseling back.

 

Lots of variables here. Including how long you are letting her warm up. Remember at 60 mph you are not turning that many RPM’s and if it’s a flat constant run with out many take offs then I would say you are fine. I don’t usually start getting noticeable heat till the oil temp hits between 130-150. I always let the oil temp get up to 100 degrees before I start driving.

 

Thank you BOHAWG175, yes RPMs are low, I just assumed temps would be higher and quicker with the 6.7L.

 

Mine takes forever to get up to temp.

 

Diesels run pretty cold so even here in WA with 30 degree weather it take 5-7 miles to see anything resembling heat output on my 6.7L. I used to use cardboard in front of the radiator when temps where in the teens when I had my 6.9L dually to get any heat out of it at all!

 

If you want heat quick, plug it in! Do you have the supplemental heater? Im also in SE PA and it was 2 below this morning. Truck was plugged in all night, ran about 15 minutes at high idle before I jumped in. Very pleasant inside. I hate to idle it that much, but i take my 18 month old to daycare in the am and try to make it warm for him. My truck is plugged in anytime its below 40. I like a warm truck and don't care about the electric bill.

 

I'm in Napa, California where is was about 55 this morning . But yes, these 6.7L seem to take a long time to warm up. Longer than my 7.3L did, which was long. I have a Honda truck (OK, it's a Ridgeline but they call it a truck) that is warm by the time I get to the end of the driveway - 2 minutes maybe? It will be more like 10 minutes for the Ford to get any heat, and 15 or 20 before everything is up to temp.

 

I plug it in on a timer and have front blanket for it, makes a significant difference for temp time:

Is it all needed, probably not, but do I enjoy my ride to work that much better? you bet I do...

 

I'll echo what the others have said about the 6.7 taking noticeable longer to warm up then my old 7.3. But then I will take the comfort of the new truck over my old 2002.

 

I leave mine plugged in all night. When I start in the morning, the oil is already at 100°F. I only have to go a few miles before I get a little heat out of the vents. I also use the recirc button because I feel like that helps.

 

 

My oil was 80 this morning after a short idle before I left, coolant temp, don’t recall, I’ll watch to see needle in the am

 

If you live in cold country, auto stores sell battery warmers by the same folks that market circulating electric water heaters - like block heaters only better. Original type were hard plastic, with a long power cord to easily get plug to the grill. New (15 years ago) style are flexible pads. These come in 35 to 100 watt size. They easily silicone to the bottom of the oil pan and transmission pan, but pan, pad and outside temperature need to be about 60 for the silicone to cure properly. Just thin squiggle of silicone caulk, squish up against a clean pan, twist just a bit to spread the silicone, hold in place for 2 minutes. Done. The power cord is too short to reach to front bumper, so a junction box is used. If you heat the tranny, a 4--6outlet junction box is usually used and all heaters (cab heaters too) plug into that, and a single heavy cord runs to the bumper, front or rear, or both (regularly shifting into reverse at -30 takes out a lot of trannies). You need to make sure your power source is 20 amp not 15. If 15, you can't plug too many heaters in without overheating the house wire. If sometimes 15, but mostly 20 amp circuits, a quik disconnect junction at the bumper allows you to unplug one or two. The cab heater is the big draw. I used these for 25 years. Most rigs i owned for more than 10 years. None burned out, and none fell off.

I found nothing to solve the stone hard and cold seats back then. Now trucks come with that option.

 

What amazes me about this 6.7L, is how fast it starts. I am using conventional Ford Motorcraft 10W-30 oil, it is 9 degrees this morning,not plugged in, after the glow plugs cycle, this truck starts literally in less than a second, I don't think the starter motor will ever wear out. On the otherhand, my wife's 2008 Accord 2.4L 4 cyl using Mobil1 full synthetic 5W-20 oil really didn't like me hitting the starter at all and the battery is less than a year old.
@Ferguson65 If you don't mind me asking, where are you from? I'm in the Reading area, Exeter township.