Engine/Transmission (1994 - 1998) Noise from Transmission

[diesel tim]

I'm wondering if anyone else has this experience: When towing around 10k, accelerating up hill, like an entrance ramp,

at about 1700 rpm, I here a noise that seems to be coming from the trans. The noise sort of oscillates with crankshaft power pulses. It sounds kind of like lugging, but I don't think I'm lugging it. Note, when it happens (it is becoming more consistent on acceleration and it is very loud) it only does it when I am towing. Are the counter shaft bearings going out? The trans is a new Dodge replacement trans and only has 25K on it. It is the fourth transmission--Dodge has rebuilt the transmission three times before finally replacing it under warranty. Am I going to need another trans? Every vehicle I have ever owned has had a manual transmission. I have never had trans trouble before this. Don't get me wrong I love this truck but I have to resolve the trans issue because I don't trust the it to go on long trips.

Note, the truck has about 200K on it. Does anybody have any ideas? Thanks in advance. See you at T. I. M.

 

[CumminsPower98]

Maybe it's time for a 6-speed that will handle the uprated engine better... My cousin wiped the gear teeth off the input shaft and counter shaft pulling heavy with an uprated engine in his '97.

 

[jbrowne]

I'd check the carrier bearing on your drive shaft. Mine was doing the same thing and when I took it off I found that there was some wear on the shaft like it had been moving. When I put the new one on I used the best lock tight that NAPA has. It has worked for a year now. Hope this helps.



Jim

 

[Snow man]

Tim, I gotta wonder what your doing accelerating thru 1700 RPM with a 10K trailer up a hill or up an entrance ramp. It sounds like your luggung the motor and hammering the trans with low RPM power. You didnt say if its in every gear or just 5th ,but if Dodge has repaired /replaced it 4 the time now,you have to wonder if its your driving habits that are the problem,in addition to the transmission. Wind that engine tight against the governor in every gear,with a 10K load,and an uphill,your engine and trans will thank you for it. Once up to speed then the R's can be safely brought down to 1750+.

 

[Garry Verheyden]

Tim,

I have had a groaning sound with mine since it was rebuilt two years ago, but only in 5th gear. I was just on holidays two weeks ago and the groaning started getting louder in 5th gear cruising on the flats of Sacramento area. All of a sudden BANG! all kinds of crunching and all my gears were gone. I still had fourth, but all others including reverse were gone.

I borrowed a 5spd from a friend that owns A-Combined Truck parts in British Columbia. Thanks to his help for shipping me a 5spd. I limped to tha Az. desert were we were going on holiday and installed it with my floor jack at my campsite.

I'm doing a 6 spd. conversion this weekend and will take my old transmission back to see what broke next week. I'll post what broke if we can figure it out with all the other carnage that went on in there.

Garry.

 

[diesel tim]

snow man

I did not start towing with this truck until the last 25,000 miles and don't tow very often remember 24ver's rev high than 12ver's sow i land at about 1750 when shifting from redline no gsk yet it will do it up to 2100 rpm but it don't matter anyway because the pilot bearing just seized up on a trip to bemidji to day so now it has to come out any way i'm starting to think Eaton fuller 7 speed since gearing stinks on the nv and i need a new clutch anyway it is slipping bad when you pour on the coals

jbrowne

not a bad thought but the whole drive shaft is brand new the damper ring came off just before the transmission was replaced last time

 

[scramblin]

Originally posted by Garry Verheyden

Tim,

I have had a groaning sound with mine since it was rebuilt two years ago, but only in 5th gear. I was just on holidays two weeks ago and the groaning started getting louder in 5th gear cruising on the flats of Sacramento area. All of a sudden BANG! all kinds of crunching and all my gears were gone. I still had fourth, but all others including reverse were gone.

I borrowed a 5spd from a friend that owns A-Combined Truck parts in British Columbia. Thanks to his help for shipping me a 5spd. I limped to tha Az. desert were we were going on holiday and installed it with my floor jack at my campsite.

I'm doing a 6 spd. conversion this weekend and will take my old transmission back to see what broke next week. I'll post what broke if we can figure it out with all the other carnage that went on in there.

Garry.

The same happened to me. We had to replace the main shaft and the counter shaft. :{