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MikeS
Dodge Dakota
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9/03/2004
16:07:15
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 Subject: 3.9L running hot
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Message:
I have owned my 2000 SLT since new and it never used to run above the peak thermostat value. For some reason this summer its been running hot all the time. Our weather hasnt been that warm either. It has fresh Mobil 1 Synthetic, fresh coolant, brand new 180 T-stat from Napa, K&N filter, but the rest is totally stock. The truck has been running right around 210 all the time. Any ideas guys?
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daddio
Dodge Dakota
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9/03/2004
17:11:27
| RE: 3.9L running hot
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Message:
that's actually not bad. is your electric fan working? check the clutch fan also for play.
loosing any coolant? a leak in the system will make it run hotter than usual. have you ever flushed the system? any debris in the a/c condenser or radiator blocking airflow?
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J and J Auto
GenII
9/04/2004
02:40:28
| RE: 3.9L running hot
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Message:
slimy grimy radiator will cause that, check your
electric axsilary fan and your clutch fan
operation and maybe get the system back flushed
free scan at auto zone maybe running ok but guage
sender is bad, a scan will read the engine temp
sensor and see what it reads for temp
Larry
J&J Auto
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also
Dodge Dakota
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9/04/2004
10:35:47
| RE: 3.9L running hot
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Message:
one more thing can cause that, a high mineral water will have enough disolved metals in the water that it will, over time, erode the vane in the water pump. Sometimes it will erode them in as little as 30,000 miles. Usually this comes from well water but not always.
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MikeS
Dodge Dakota
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9/04/2004
16:11:49
| RE: 3.9L running hot
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Message:
I'm thinking that my coolant isnt flowing as well as it should I think I found a little coolant puddle this morning, right under the radiator. My only question is weather or not it was there already. I found it in my parking lot so it could've been there from someone else too. How much does a shop usually charge for a coolant system flush?
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Tr1sha
Dodge Dakota
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9/27/2004
20:37:20
|  RE: 3.9L running hot
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Message:
Where would the fan be that cools off my radiator in my 98 Dakota Sport? I'm having the same problems with mine, getting hot but not overheating all the way. I'm thinking its the fan. Thanks so much!!
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Tr1sha
Dodge Dakota
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9/27/2004
20:44:13
| RE: 3.9L running hot
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Oh its a 3.9 V6 by the way, Thanks!
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duh
Dodge Dakota
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9/29/2004
19:12:49
| RE: 3.9L running hot
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Message:
its between the radiator and the engine, a "puller" type. don't mess with it unless you are very sure of what you are doing as it could start at any time and cut your hands SEVERLY or get your clothing wraped up and pull you in and turn you into hamburger. look at your temp gage when driving down the road, if it is about 1/4 to 3/8 of an inch to the left of 210 you are ok if it is really close or to the right get it to a radiator shop. you can find them in the yellow pages under auto repair or even sometimes under radiator.
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Tr1sha
Dodge Dakota
JOIN HERE
9/29/2004
20:35:30
| RE: 3.9L running hot
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Message:
Thank you so much!! We are taking the truck to a radiator shop tomorrow morning. THANKS!!
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Fred
Dodge Dakota
JOIN HERE
10/06/2004
11:43:10
| RE: 3.9L Blower motor replacement
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Message:
Is there a instruction booklet that tells you how to replace the blower motor. Step by step. Or is there anyone out there that has replaced their blower motor that can tell me? This is on a dakota 1992
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