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Heating & Cooling 2nd Gen Dodge Ram Heating & Cooling Problems and Questions.


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  #1  
Old 09-05-2011, 03:21 PM
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Default Radiator/Water Pump Issue?? Leaking Rusty Water. please help

Bought the truck from my uncle, was sitting year & a 1/2, brought it back to life. Everything was great for a while.. until today.. I've got a horrible screeching from what I assume is my AC Condenser .. truck overheated on me for the first time.. checked fluid.. coolants ok in radiator.. but looks rusty.. and most of all when I got home and parked the front end was leaking Rusty coolant or water horribly.. another note.. seems like I have no pressure in my upper radiator hose.. or any for that matter.. and upon further inspection.. my radiator appears rusty on bottom drivers side corner and fins on driver side have the green tint..

Ill try and post pics of leak site.. & Radiator Rust.. thanks for your time guys.
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Old 09-05-2011, 07:22 PM
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Originally Posted by BillyB0B View Post
Bought the truck from my uncle, was sitting year & a 1/2, brought it back to life. Everything was great for a while.. until today.. I've got a horrible screeching from what I assume is my AC Condenser .. truck overheated on me for the first time.. checked fluid.. coolants ok in radiator.. but looks rusty.. and most of all when I got home and parked the front end was leaking Rusty coolant or water horribly.. another note.. seems like I have no pressure in my upper radiator hose.. or any for that matter.. and upon further inspection.. my radiator appears rusty on bottom drivers side corner and fins on driver side have the green tint..

Ill try and post pics of leak site.. & Radiator Rust.. thanks for your time guys.
If you have little or no pressure on the upper hose then you should replace the thermostat. If you have rusty coolant you should back flush the cooling system then run a double dose of cooling system cleaner with distilled water for a period of days to assure you flush and clean the system. Then use a 50/50 concentration if you use to much antifreeze then you can have big particals of calcium and rust flow within the radiator and clog it up. So all in all replace the thermostat, and do a back flow and find and aid whatever else appears to be leaking. Their is little to be said other then WORK!
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Old 09-05-2011, 07:37 PM
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Default

Thanks Ram Van. Appreciate quick response.. but now I believe the head gasket is gone as well .. maybe due to the Overheat? Oh and I've located coolant leak.. its coming from the weep.hole .. my theory is.. judging from leaky. Weep hole, the water pump failed,failed causing it to run hot...causing it to blow HG.. it stalls at a dead stop (something it never did) and now idles at 500, but used to idle a strong 750..and I've got no cabin heat.. its gotta be HG Right? Please tell me its not a nightmare fix. Im undoubtedly Goin to replace water pump/thermostat/& flush coolant system still.. but it looks like I've got a little more on my plate now.. I love the truck. Its my first cummins and im sold, I just hope that's the worst of my problems with her..

Thanks again.
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Old 09-05-2011, 07:51 PM
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sounds like your radiator core has a leak, either in the lower tank or in the core

what i would do
first see if there is wetness on the under side of the water pump, not against the engine block, but about 1/2 way between the block & the fan mounting bolts, you should feel a round hole, if there is wetness there, you will need a water pump.

don't pull the water pump with the radiator mounted, its too much like work
2nd pull the radiator out, take it to a radiator shop, the people there will likely give you 3 options
they can pull the tanks off & soak everything in a special bath solution, then they run a flat rod through every passage, soak it some more. Reuse the rod or water & air pressure to finish cleaning everything out, then they put the radiator back together. Pressure test it to locate leaks, repair any leaks. Paint the radiator black & your finished.

or they can pull off your tanks & replace the Core & reuse your tanks.

or they can just replace your whole radiator
all options have a different cost

next thing is the belts & hoses & thermostat, take the old ones with you to the parts store & get new ones

now you won't have to think about the coolant system for many years
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Old 09-05-2011, 07:52 PM
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Quote:
Originally Posted by BillyB0B View Post
Thanks Ram Van. Appreciate quick response.. but now I believe the head gasket is gone as well .. maybe due to the Overheat? Oh and I've located coolant leak.. its coming from the weep.hole .. my theory is.. judging from leaky. Weep hole, the water pump failed,failed causing it to run hot...causing it to blow HG.. it stalls at a dead stop (something it never did) and now idles at 500, but used to idle a strong 750..and I've got no cabin heat.. its gotta be HG Right? Please tell me its not a nightmare fix. Im undoubtedly Goin to replace water pump/thermostat/& flush coolant system still.. but it looks like I've got a little more on my plate now.. I love the truck. Its my first cummins and im sold, I just hope that's the worst of my problems with her..

Thanks again.
Well I cannot tell you if you bled a head gasket, reason why is because their are first things to look and smell for also tools you can use to get the answer one is checking for combustion gases in the radiator. The other reason why I cannot give you a certain answer is because I have overheated before and well I didn't hurt anything, I went home flushed and cleaned the radiator and well I don't overheat anymore, I overheated mainly because I was driving with OD off which heats the transmission fluid up and with my vehicles my engine radiator is shared with the transmission.

As for a head gasket replacement if and ONLY if it needs it, I will tell you replacing head gaskets is as easy as learning to ride a bicycle I have helped people over the phone and by email step by step replace a head gasket, some tools you will need are at the very least a torque wrench. The whole process would take as much as a day with all parts and tools at hand.

First thing is first to find out if you did indeed blow a head gasket. Since this is a diesel it's going to be harder to diagnose things such as white puffs of smoke out of the talk pipe are normal lol. But look for that and try to sniff for a sweet smell from the tail pipe but don't sniff to much you'll pass out. The next thing is to listen for any steam kettle whistle sounds (other then the turbo). Lastly get yourself a diesel combustion gas detector kit. This hooks up to the radiator and if their is a blown HG then the gases would leak into the cooling system and show up, this would confirm a HG failure.

Be sure to replace all hoses especially a bypass hose on the water pump if applicable, a failed bypass hose can easily cause a misdiagnoses of a water pump failure.

Lastly you are going to get people who are going to rant and rave about you having the heads resurfaced which isn't required. I never have came across any cast iron heads that warped, usually if their is head damage to a iron head it's a crack, warping was invented for aluminum lol. Besides if you resurface a head this means you need to have a shim installed and shims leak.

I don't have any specifications for the diesel trucks, specs such as torque and bolt pattern etc... I work on gas 99% of the time, however I will try my best and get the torque specs bolt patterns and more for you. I recommend you go to a local chrysler dealer that sells parts and get the gaskets from them, the water pump you can get anywhere, I like felpro gaskets but I also prefer to use Mopar when it comes to gaskets and such. Other then that it's autozone for me.

But first just do the tests after you attend the cooling system, replace the pump, thermostat, housing gasket, and hoses. For gas magnum engines the water pump torque is 30 ft/lbs I'm unsure what it is for the diesel, I will again lookup all the information and get print outs for you.
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  #6  
Old 09-05-2011, 07:56 PM
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Quote:
Originally Posted by GTyankee View Post
sounds like your radiator core has a leak, either in the lower tank or in the core

what i would do
first see if there is wetness on the under side of the water pump, not against the engine block, but about 1/2 way between the block & the fan mounting bolts, you should feel a round hole, if there is wetness there, you will need a water pump.

don't pull the water pump with the radiator mounted, its too much like work
2nd pull the radiator out, take it to a radiator shop, the people there will likely give you 3 options
they can pull the tanks off & soak everything in a special bath solution, then they run a flat rod through every passage, soak it some more. Reuse the rod or water & air pressure to finish cleaning everything out, then they put the radiator back together. Pressure test it to locate leaks, repair any leaks. Paint the radiator black & your finished.

or they can pull off your tanks & replace the Core & reuse your tanks.

or they can just replace your whole radiator
all options have a different cost

next thing is the belts & hoses & thermostat, take the old ones with you to the parts store & get new ones

now you won't have to think about the coolant system for many years
They might not be able to even give you the options as not all radiators have tanks that can be removed, my radiator's tanks cannot be removed without rendering the whole unit useless. Of course I don't know if his radiator can or can't be rodded however I wouldn't jump to a conclusion and say that the shop is going to be able to do anything. I have had good luck using peak flush and clean fluid on my radiator which was just loaded with calcium deposits (rad sat for 6 years with old sink water in it) I put that cleaner in and some distilled water ran it for a week or two and the radiator is well perfect and clean no rust, no calcium etc, oh best of all no overheating ha.
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Old 09-05-2011, 07:59 PM
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Sounds good gentlemen, appreciate the responses. Will do.
Goin back to a lack of cabin heat, and the low idle/stalling .. have you ever heard of this coinciding with HG failure
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Old 09-05-2011, 08:02 PM
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I didn't think about diesel or gas engines

I just typed what i would do if i bought a used vehicle & had the same issue with a gas powered vehicle
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Old 09-05-2011, 08:03 PM
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Quote:
Originally Posted by BillyB0B View Post
Sounds good gentlemen, appreciate the responses. Will do.
Goin back to a lack of cabin heat, and the low idle/stalling .. have you ever heard of this coinciding with HG failure
Well yes, last man I helped with a head gasket problem has similar symptoms. But I wouldn't jump the gun, first fix the cooling problem then go a test the radiator for diesel fumes. I am not making promises or anything but I'm driving up to Jersey and might be able to stop by and take a look.
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Old 09-05-2011, 08:04 PM
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Quote:
Originally Posted by GTyankee View Post
I didn't think about diesel or gas engines

I just typed what i would do if i bought a used vehicle & had the same issue with a gas powered vehicle
Yes but you really can't do that all the time because well diesel and gas are different. But I do understand what you're getting at.
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