2nd Generation Dodge 24 Valve Powertrain

I asked this on a few other boards, but figured I would ask here also. I bought my Cummins about a month ago, It drove perfect. The motor is stock, and I had thought the transmission had been rebuilt at some point due to how nice it shifted and how much cleaner the transmission was comapaired to everything else under the truck. Not long after I got the truck, I desided to check the fuel pressure. I bought a cheap-o oil guage from the parts house and used one of the test ports on top of the fuel filter housing. Well My lift pump is only putting out 10psi at idle, and Zero at WOT. So I figured i would take it over to my father house to park it. (more space) Its a 5 mile tri…

I have the Timbo APPS, fixed the previous Lock/Unlock issue a couple of weeks ago. Last weekend I hitched up or 5th wheel for a 3 hour trip. With the 5th wheel in tow, the dreaded Unlock/lock cycling came back, especially later on in the trip when the truck was good and heat soaked, or so it seemed. I have driven it to work (30 minutes each way) this week after disconnecting the 5th wheel, and the issue is again gone. I have previously checked for alternator noise, which was negligible. Is it possible that the charge circuit to the 5th wheel is inducing this problem, or possibly the extra heat in the transmission when towing? Any thoughts would help.

I poured a gallon of my wife's cooking oil in the tank. Man! I cannot believe how smooth the Cummins seems to love it. I'm pretty sure it has more power up the hills to boot.

How important is cool down before shutting down your truck? What is that number and the amount of time it takes? I think I heard there is a gadget you can buy where you turn off the key but the truck stays running for a couple minutes... ?

Gentlemen, I have done a few searches and I just want to be sure: That these Cummins engines are the coolest running motors around. I have driven this truck about 500 miles since owning it and I have learned it takes forever to warm up, and when it does, a red light will knock the gauge back down to lower normal. I think its great, and though the wife wants the heat on full blast in June, once the truck warms up to mid gauge, the heat is HOT HOT HOT! I already made some homemade winter fronts to fit in the grille with some custom cut black acrylic sheet, so I'm asking- This is normal or no? AP

Hey guys, this is kind of a spin-off from my last no-start thread regarding my fuel pumps. But I had totally forgotten about another issue I had while flushing the cooling system. I had my truck idling for about 20 minutes before it shutdown, and the entire time, the all the hoses got very hot except the upper radiator hose, and coolant was not cycling through everywhere while I had the cap off, just kind of started to sizzle. So I put the cap on, and pressure still did not build and the upper hose remained cool. Is this probably a waterpump? If so, I would like to replace it while I'm doing my pumps. However a scarier issue I read, was possibly the front of the crank bei…

Is it possible that my timing is advanced all the time? In other words if the sensor (name eludes me) has failed, can it stay in advance all the time? I keep thinking that my truck sounds advanced all the time? When I install the fooler, if the sensor is faulty will fooler retard the timing when set to mpg?

My radiator cap has green sludge around it. Any ideas? Oil is normal

While researching which coolant to use after new radiator install, I found the following: http://www.turbodieselregister.com/tdrarticles/tdrarticle62_antifreeze.html About halfway down the page there is this table: There seem to be a few interesting tidbits in the article, and ALL sorts of talk about silicates etc... Thanks for looking, and I am very curious as to what Folks think of the info.... Ed

Evening first time poster! I've been lurking this forum for a bit now with the anticipation of purchasing a new to me 2001 with 160,xxx, new to the 5.9 but have owned two 6.7's in the past. Today while looking under the rig it appears to be coolant behind the harmonic balancer. I went for the water pump and thermostat housing first but no joy on any coolant leakage. Besides the radiator hoses where else should I look for a possible leak OR what could fluid being in that spot indicate? Also of note after a short drive I crawled under and saw some drops on the steering linkage and some drips on the concrete. The seller recently worked on the oil pan gasket and n…

Radiator flush time for me. Just throwing this pic out. Had a heck of time searching to find exactly what I needed and how much. What do you think? Helpful or not or correct or wrong?

Could I get a step by step guide to doing a coolant flush? I have never done it since I’ve owned the truck and who knows when it was done last. I will be replacing the thermostat as well. Thanks

I've travelled a total of 255k miles now and been keeping up on my coolant flushing. This batch was over extended and shows it in the bucket the color was starting to shift just wee bit. As for the radiator and block still going strong and very clean! Still using universal yellow coolant and doing just fine. Don't need any fancy orange HOAT. Lookie... No scale build up!!! 255k miles and like a factory fresh radiator. Block is even clean yet and just a surface rust like back from my previous picture shoot.

All my hoses are original in 2001 with 107,000 miles. Hoses don't look bad on the outside. No cracking, leaking or soft spots. Maybe they fall apart on the inside first? 17 years old, time to replace or am I lucky or whatever? I'd rather fix in my driveway than along road somewhere, if they are reaching the end of their life span. How long of time do you get out of hoses?

I am having a problem with coolant getting into the oil so I am going to assume the headgasket is blown which blows. My oil is starting to get a greenish tint to it and I keep having to top off the radiator. So what kind of damage am I going to be doing if I keep driving the truck as it is? This is my DD as of right now since my car is down at least until next week and it sucks because we are suppose to be getting a lot of snow this weekend into next week. :ahhh:I hate to drive the truck as it is but I really do not have a choice. Sometimes I wonder why I bought this truck as it is causing me more trouble than good so far. All I have done is worked on it ughh! :bang…

2002 3500...smelled antifreeze when driving..got home and saw that coolant was spraying in a small stream out of a tiny hole on the passengers side on the back of the cylinder head.Is this a small plug that came out or is it there to let you know there is a bigger problem like the weep hole on a water pump? thankx for any help!

I just got done pulling my 5th wheel for about an hour and when I stopped I noticed that there was a good amount of coolant splattered down the underside of my truck. As far as I can see it is not coming from the radiator or any hoses. It is wet on both sides of the motor and not mostly down low. My question is if the water pump was leaking would it leak down inside the front cover and come out the bottom. It is very hard to tell where this is coming from.

The head has a weep on the backside. I'm not getting coolant in my oil that I can tell or vice versa. My question is is this something I should fix right now or run it til it starts dripping?

Help from the wizards please. I have a coolant leak dripping from the back of the head running down the bell housing. I stuck a small mirror back there and I see a sensor bubbling around the ceramic center. I tried to identify the sensor in the service manual, no joy. This sensor is screwed onto the head, water jacket at the aft end of the head between the head and firewall, thanks!!!

Hello everyone, first post but long time lurker. Last night i noticed a coolant leak coming from my truck on the ground while i was shopping. Was almost a 12" wet spot on the ground after about an hour and a half of sitting. After getting the truck home and letting it cool off for a bit i was able to find out where it was coming from. On the head in the back passenger corner there is a 45 degree spot that has a small hole, about 3/8" diameter. Is this a freeze plug and if so has anyone replaced it without taking the head off? Not a lot of room and its close to the exhaust so im not expecting a lot. Im also hoping to properly fix it after winter if this fix isnt long term.…