Diesel Questions/Problems in General (non specific makes)

146 messages, Last post on Nov 04, 2009 at 5:28 PM

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What is this discussion about? Engine, Exhaust, Diesel, Hatchback, Truck, Sedan, Wagon

This topic is for diesel car and truck owners who have not been able to find satisfactory information in the forums dealing with their particular vehicles (please use SEARCH on left of page before you post here).

Outline

Messages Page 12 of 15: 1; ...; 9; 10; 11; 12; 13; 14; 15; Prev; Next; Last

#107 of 146 Re: Manual operation of the torque converter lock-up clutch in 1992-1995 trucks [heathdiesel] by wjkrostek Feb 12, 2008 (2:15 pm)
Replying to: heathdiesel (Mar 01, 2006 10:40 am) I have this trans in my 2004 GMC med. duty flatbed comercial truck. will these directions still work or have they changed something. When I asked at the dealers shop before I read this, they said there was nothing I could do. I had a problem with a long hard pull towing about 10,000lbs going over the rocky mountains and had the hot tranny light come on. I stopped and slept over night and never had it come on again, but I have noticed that when I pull a grain trailer the temp claims to 200 degrees fast but I only have about 4 miles to go so it doesn't over heat. I think I can feel it slipping when I drive less than 45 to 50 miles an hour under normal driving and it just will not lock up unless I go faster. Sounds like your fix will fix a lot of this problem. if it will still work? Thanks for the info.
#108 of 146 gelled diesel in Alaska by wjkrostek Feb 12, 2008 (4:23 pm)
Can you do harm to the fuel pump or anything else if you crank on a diesel that has a gelled fuel in the system? I know a lady who hasn't used her truck since it been cold (-20F) but she said she has been trying to start it but it wont start. Whiile talking to her I found out that she hasn't fueled it up since summer so I know the fuel is gelled. I told her to stop trying to start it and wait for a warm up. Then drive it to town put in some anti gel and fill up the tank before it gets cold. It's got a 1/4 tank now so it should be empty by the time she gets to town. The only thing I don't know is if harm can be done by just cranking alone? It's startig to warm up to +20 so it should start now but has there been damage done already?
#109 of 146 Coolant Leak in my Ram 2500 by skeeterbud Apr 02, 2008 (4:23 pm)
I have a '96 Ram 2500 that will not stop leaking coolant. I have gone over every inch of the cooling system and found nothing. Replaced the seals and hoses, pretty much anything that has to do with the cooling system. I even called Cummins directly, they basically said to take it to a diesel repair shop...so I did. They found nothing wrong, well nothing that would be causing it to leak the way it is. I've basically done it all except pull the massive radiator, which I really don't want to do. So I am at a loss. Anyone out there that has any advice it would be much appreciated. I have been working on cars and trucks for a while so I know what to look for, but I have never seen anything like this. Thanks much, take care. Replies to this message: Mr_Shiftright (Apr 02, 2008 4:54 pm) skeeterbud (Apr 02, 2008 6:31 pm) cayadopi (Apr 03, 2008 2:19 am) Mr_Shiftright (Apr 03, 2008 8:07 am) kcram (Apr 03, 2008 2:02 pm) fphilli1 (Apr 03, 2008 6:24 am)
#110 of 146 Re: Coolant Leak in my Ram 2500 [skeeterbud] by Mr_Shiftright HOST Apr 02, 2008 (4:54 pm)
Replying to: skeeterbud (Apr 02, 2008 4:23 pm) No leaks at all? Then you are burning it. There's really no other possibility. Has anyone tested for combustion gases in your coolant? Have you done a pressure test on the cooling system and looked for coolant on the glow plugs? Is it an automatic? Have you checked the fluid for coolant intrusion? Replies to this message: skeeterbud (Apr 02, 2008 6:31 pm) cayadopi (Apr 03, 2008 2:19 am) Mr_Shiftright (Apr 03, 2008 8:07 am) kcram (Apr 03, 2008 2:02 pm)
#111 of 146 Re: Coolant Leak in my Ram 2500 [Mr_Shiftright] by skeeterbud Apr 02, 2008 (6:31 pm)
Replying to: Mr_Shiftright (Apr 02, 2008 4:54 pm) I don't think I'm burning it. All the fluids are clear, tranny is bright red, no bubbles or oder. The mechanic did the pressure test and it was normal and he didn't find anything wrong with the core either. He also said that Cummins has a habit of leaking in colder temps, but it's not a constant thing. Only after short rides or when it's below 25 degrees, which we haven't had many of in Connecticut this winter. I have a block heater, had the filaments were replaced in January, guy said they really didn't even need to be done. Actually had an end to end tune up done around the same time, they didn't find much wrong except the usual for a truck with 150k on it. Like I said, I really can't find anything that would be causing this thing to leak like it is. When it does, its on the opposite side of the bleeder valve so I really have no idea what else to do except for pulling the radiator. Thanks for the help. - Mark Replies to this message: cayadopi (Apr 03, 2008 2:19 am) Mr_Shiftright (Apr 03, 2008 8:07 am) kcram (Apr 03, 2008 2:02 pm)
#112 of 146 Re: Coolant Leak in my Ram 2500 [skeeterbud] by cayadopi Apr 03, 2008 (2:19 am)
Replying to: skeeterbud (Apr 02, 2008 6:31 pm) Thought I had the same problem last year, and radiator and hoses were not leaking. Was told to look for evidence of a coolant leak from the engine block or wherever in the oil in the form of a slight streak of grey or other lighter color than the black oil color streaked thru the oil? And that the other evidence disappears thru the tailpipe. (My problem turned out to be that cooling system had some air or something in it after I had done a routine coolant change. Added a half gallon and haven't lost a drop since.)
#113 of 146 Re: Coolant Leak in my Ram 2500 [skeeterbud] by fphilli1 Apr 03, 2008 (6:24 am)
Replying to: skeeterbud (Apr 02, 2008 4:23 pm) The only thing I can think of is a trans cooler. I do not know Dodge trucks but my wifes VW bug had an internal trans cooler that burst and leaked all over. Hope this helps.
#114 of 146 Re: Coolant Leak in my Ram 2500 [skeeterbud] by Mr_Shiftright HOST Apr 03, 2008 (8:07 am)
Replying to: skeeterbud (Apr 02, 2008 6:31 pm) Have you ever parked the truck, then spread newspaper under the engine, and then started it up and let it idle for a while? Does anything show on the paper? if not, drive it around until it' hot and then re-park it under the paper and shut it down and see what drips. If you get no visible leak hot or cold, overnight or after a hard run, then you are burning it. There's no place for it to spill out in the radiator---the reservoir tank captures it, or should.
#115 of 146 Re: Coolant Leak in my Ram 2500 [skeeterbud] by kcram HOST Apr 03, 2008 (2:02 pm)
Replying to: skeeterbud (Apr 02, 2008 6:31 pm) I had my 96 3500 Cummins for almost 9 years. One thing Dodge did that wasn't the greatest thing for a diesel was use a ridiculously oversized radiator for the Cummins - same one they used with the 8-liter V10. I couldn't get that truck to overhear even in stop-and-go traffic in July summer heat with the AC at full "meat locker" mode. And even after a good long highway drive in winter, the temp never made it to 180°. Most likely, you have a spot leak that may only be found during actual operation. I had one engine seal go that my master tech found only because he saw oil spots where they shouldn't have been on a crossmember... it never actually dripped on the ground. In addition to Shifty's suggestions, you may need to get the truck in the air and "drive" it while someone observes. kcram - Pickups Host
#116 of 146 Injector swap by djhockey6 Apr 07, 2008 (3:24 pm)
I'm looking to upgrade to larger injectors in my cummins, Do I need to do anything to the computer after the higher hp injectors are installed? I have no chip or other engine mods.