1st Gen. Ram - All Topics Discussion for all Dodge Rams prior to 1994. This includes engine, drivetrain and non-drivetrain discussions. Anything prior to 1994 should go in here.

New t-stat, lame heat...

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Old Dec 16, 2007 | 06:40 PM
  #46  
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From: port crane, NY
Glad you chimed in here, Pete So, can you help me score a +.020 HG I'm giving Cummins NE a call this week and hope to go after it shortly. Since switching to an open rear axle, I find myself on the governor in 4th with 40+psi and smokin rt side duals...which may have something to do with my faulty HG
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Old Dec 16, 2007 | 07:26 PM
  #47  
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From: New Holland, PA
Originally Posted by BearKiller
Where is this oil-cooler and is it for engine-oil or auto-transmission oil ??

There is a gizmo on the wife's automatic truck, sort of tucked down under the exhaust-manifold, on the right side, with some heater-hoses plumbed into it.

Her truck is the only one of four that has it.


As to the "neglect" part of what you said, how does one NOT NEGLECT this cooler in order to prevent this problem ??

Thanks.
You're looking at the heat exchanger for the trans on your wife's truck.

The engine oil cooler is hiding inside the oil filter mount, it's a plate & tube unit that sits in the water jacket right next to #1 and 2 cylinders. The neglect that will damage an oil cooler is not changing the coolant when it's time.
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Old Dec 16, 2007 | 07:41 PM
  #48  
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I'm not seeing oil in mine, except the crankcase of course. Could mine be blown and just pushing combustion pressure into the coolant passages? It does use water, but no steam or white exhaust....hhhmmmmm.....
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Old Dec 16, 2007 | 07:44 PM
  #49  
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Sounds like you have an external leak somewhere. They can leak so slow that you never see a drip because it evaporates off before it hits the ground. Look for white crusty trails on the motor.
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Old Dec 16, 2007 | 08:06 PM
  #50  
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With coolant leaking internally into the engine, examine the crankcase vent. You will see white drops coming out of the end of the vent. With the engine running at temp the water evaporates and comes out of the vent tube.

This is one characteristic of running diesel engines. Have seen numerious diesel engine coolant failures by the big three and internal leaks the crankcase does not gain in level.

HTH
Glenn
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Old Dec 16, 2007 | 08:13 PM
  #51  
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Originally Posted by BearKiller
Where is this oil-cooler and is it for engine-oil or auto-transmission oil ??

There is a gizmo on the wife's automatic truck, sort of tucked down under the exhaust-manifold, on the right side, with some heater-hoses plumbed into it.

Her truck is the only one of four that has it.


As to the "neglect" part of what you said, how does one NOT NEGLECT this cooler in order to prevent this problem ??

Thanks.
BearKiller,
The cooler in question, is the on behind the oil filter and is bolted to the block.
It purpose is to cool the eng oil with coolant.

The round cylinder like container under the turbo is the (auto) tranny/ cooler /warmer. in cold climates.

Flash
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Old Dec 16, 2007 | 08:19 PM
  #52  
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From: WY
Sorry bear, typing skills a little slow, Dave beat me to it!


Flash
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Old Dec 17, 2007 | 08:18 AM
  #53  
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Originally Posted by wannadiesel
The neglect that will damage an oil cooler is not changing the coolant when it's time.

And how do I know when it's "time" ??

Is there an age limit on coolant ??

Thanks.
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Old Dec 17, 2007 | 11:03 AM
  #54  
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From: WY
Originally Posted by BearKiller
And how do I know when it's "time" ??

Is there an age limit on coolant ??

Thanks.

Should be changed every 3 year........althow fue do!

Edit: Actually if you get one of those acid test strip, you will know if your past time for a coolant flush.


Flash
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Old Dec 17, 2007 | 04:25 PM
  #55  
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From: Minoa, outside Syracuse, NY
There are additives you can put in also. But a good grade of anti-freeze has all that in there already. The one I saw, I think the owner ran water most of the year. The rust and crude in the block was amazing!

Greg, all you gotta do is let up with the right foot a little bit!
Let me know, I'll check the # and price for ya, and compare.

Another place to check to see if you have a leak is the oil filler cap. White gunk will collect there as well.
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