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1983 300Dturbodiesel
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297 Posts
Discussion Starter #1
does anyone else with a 300d turbodiesel have a cord with a 3-prong wall plug on it coming from the bottom of the engine? i think it is a dipstick or block warmer that was added on there a while ago, but havnt tried it out yet...
 

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90 300 SE ,85 300 GD
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1,574 Posts
Block heater

This is your block heater cord. It was installed for free on diesels in the early years when the owner requesed it. On days when the temperature is in the teens, you will "glow" much quicker. Not much good on days when the temperature is over freezing. To see if it is working, plug it in and listen to the "gurgling" sound coming from the block. This will not be warm enough to move your temperature needle, but it will make enough of a differnce in the starting time.
[:D]
 

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1983 300Dturbodiesel
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297 Posts
Discussion Starter #3
ah neat... too bad i didnt find it until [i]after[/i] the cold months ;>

how long befor...


ah neat... too bad i didnt find it until after the cold months ;>

how long before starting do you want to plug it in? more like an at-starting time or overnight thing? thanks!
 

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1994 SL320, '76 240D
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153 Posts
A half an hour, maybe an hour if your car has low compression, has trouble starting for ot...

A half an hour, maybe an hour if your car has low compression, has trouble starting for other reasons, or if it is really really cold (like -20 and below).
 

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84 230CE & 84 300DT
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324 Posts
I've got one of these in my '85 300DT as well. I've never had to use it yet. I'm glad that...

I've got one of these in my '85 300DT as well. I've never had to use it yet. I'm glad that I read the posts about it. Now I have an idea how long to keep it plugged in if I ever need to use it. I always thought you kept these things plugged in over night.
 

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85 300GD LWB
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501 Posts
Re: I've got one of these in my '85 300DT as well. I've never had to use it yet. I'm glad that

I've got one of these in my '85 300DT as well. I've never had to use it yet. I'm glad that I read the posts about it. Now I have an idea how long to keep it plugged in if I ever need to use it. I always thought you kept these things plugged in over night.
I bought a timer made for out door use(good for X-mas lights etc), it saves on electricity as well as wear and tear on the heater. I would think that how long you leave the heater plugged in somewhat depends on how cold it is. From what I have seen in Alberta during some bitterly cold weather, people leave their cars plugged in at work all day and that includes ALL the cars not just the diesels. I always though it kind of looked like the old west when people would tie their horses up except now its cars(more pick up trucks than cars though[;)] )
 

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84 230CE & 84 300DT
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324 Posts
Thanks for the idea. I have a heavy duty timer I made for my Christmas lights that uses an...

Thanks for the idea. I have a heavy duty timer I made for my Christmas lights that uses an Intermatic timer. It would work perfectly for the block heater if I ever would need to use it.
 

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1994 SL320, '76 240D
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153 Posts
Thats exactly what I have, and in fact I bought them for the christmas lights but now it i...

Thats exactly what I have, and in fact I bought them for the christmas lights but now it is used in the winter for my block heater. I set it so it would turn on at 7:00am and then I would just un-plug it when I left usualy 7:30-8:15am. It's not really necessary for a car with good compression unless it's below about 5 degrees F, but it makes it easier on the cold mornings!
 
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