Block heater
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Elder User
Joined: May 2007
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Block heater
It's going to be about 25 tonight and I just want to see if my block heater works. If I plug it in a 6 a.m. and start the truck about 6:55 a.m. is that enough time for it to do it's job?
Logistics Pro
Joined: Nov 2004
Posts: 3,550
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From: Lancaster County PA
Well, I never tracked temp increases over time, but I believe the consensus is that it takes about 3 hours for it to warm the coolant to its max temp.
So, I set my timer for 3 am and leave at 6- 6:30. I have never had trouble starting it without the block heater, but it does help it make heat faster on my relatively short drive to work. But I haven't experienced temps below the mid- to high teens in a long while around here. And even then not for more than a night or 2.
So, I set my timer for 3 am and leave at 6- 6:30. I have never had trouble starting it without the block heater, but it does help it make heat faster on my relatively short drive to work. But I haven't experienced temps below the mid- to high teens in a long while around here. And even then not for more than a night or 2.
Hotshot
Joined: Aug 2006
Posts: 10,764
Likes: 39
Originally Posted by ckal704
Well, I never tracked temp increases over time, but I believe the consensus is that it takes about 3 hours for it to warm the coolant to its max temp.
So, I set my timer for 3 am and leave at 6- 6:30. I have never had trouble starting it without the block heater, but it does help it make heat faster on my relatively short drive to work. But I haven't experienced temps below the mid- to high teens in a long while around here. And even then not for more than a night or 2.
So, I set my timer for 3 am and leave at 6- 6:30. I have never had trouble starting it without the block heater, but it does help it make heat faster on my relatively short drive to work. But I haven't experienced temps below the mid- to high teens in a long while around here. And even then not for more than a night or 2.
Senior User
Joined: Jul 2007
Posts: 158
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From: Stratton, Ontario
Glow plugs work? I have a couple in sequence that don't work, so I have to plug the truck in until I can find time to change them. Even without glow plugs working properly, 1/2 hour max on the block heater is all my truck needs to fire up. Just turn the key, let the glow plugs heat up once and you should be good to go. Even after 15 min of being plugged in, the plug for the heater will be quite warm, so you know there is a lot of juice going to that heater.
Post Fiend
Joined: Apr 2004
Posts: 12,835
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From: Silver Lake Dunes, MI
Originally Posted by NWO_diesel_nut
Glow plugs work? I have a couple in sequence that don't work, so I have to plug the truck in until I can find time to change them. Even without glow plugs working properly, 1/2 hour max on the block heater is all my truck needs to fire up. Just turn the key, let the glow plugs heat up once and you should be good to go. Even after 15 min of being plugged in, the plug for the heater will be quite warm, so you know there is a lot of juice going to that heater.
Ok maybe it does.
I have always used a timer for 3 hours when I need a block heater. But less time does work.
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