Stuck in the sand
#1
Registered User
Thread Starter
Stuck in the sand
I got stuck in the sand in my 92 w 250, hubs locked 4x low. Lot of revving of the engine but no movement. Tire pressure had been lowered. The tires didn't spin at all, I just sat there. A small 4x came to the rescue with a strap. He gave me a tub and thats all it took to get me going. Back home I had the tranmission
& torque converter checked, they said not the problem. Lack of engine power they say. The mechanic says no that can be. I'm still chasing the MPG's and less power after the injector pump was rebuilt. So I'm not sure what to think.
I have a 93 d250 also so I did a test in the driveway. 2x4 in front of the wheels, both no problem going over them. 4x6 93 no problem, 92 couldn't get over it.
Any ideas?
& torque converter checked, they said not the problem. Lack of engine power they say. The mechanic says no that can be. I'm still chasing the MPG's and less power after the injector pump was rebuilt. So I'm not sure what to think.
I have a 93 d250 also so I did a test in the driveway. 2x4 in front of the wheels, both no problem going over them. 4x6 93 no problem, 92 couldn't get over it.
Any ideas?
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mknittle (03-31-2018)
#2
Registered User
I got stuck in the sand in my 92 w 250, hubs locked 4x low. Lot of revving of the engine but no movement. Tire pressure had been lowered. The tires didn't spin at all, I just sat there. A small 4x came to the rescue with a strap. He gave me a tub and thats all it took to get me going. Back home I had the tranmission
& torque converter checked, they said not the problem. Lack of engine power they say. The mechanic says no that can be. I'm still chasing the MPG's and less power after the injector pump was rebuilt. So I'm not sure what to think.
I have a 93 d250 also so I did a test in the driveway. 2x4 in front of the wheels, both no problem going over them. 4x6 93 no problem, 92 couldn't get over it.
Any ideas?
& torque converter checked, they said not the problem. Lack of engine power they say. The mechanic says no that can be. I'm still chasing the MPG's and less power after the injector pump was rebuilt. So I'm not sure what to think.
I have a 93 d250 also so I did a test in the driveway. 2x4 in front of the wheels, both no problem going over them. 4x6 93 no problem, 92 couldn't get over it.
Any ideas?
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#3
Registered User
At first I was thinking maybe the transfer had slipped into neutral but if it can't drive over a 4x6 then something is definitely slipping. I can walk over a street curb in two wheel drive - but its always at an angle.
No tach?
No tach?
#4
Registered User
If the motor was revving but the power was not getting to the ground, I am assuming it is not an over powered motor, but more likely a slipping transmission issue.
Over powering a Cummins motor would be hard to do with just sand.
Over powering a Cummins motor would be hard to do with just sand.
#6
Registered User
Did you try it in reverse? When my 518 went, all I had left was reverse.
It does sound like a transmission problem. Even if you weren't producing much boost, a Cummins is still a force to be reckoned with.
It does sound like a transmission problem. Even if you weren't producing much boost, a Cummins is still a force to be reckoned with.
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mknittle (04-01-2018)
#7
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Thread Starter
The first thing I did was have it checked out at my trusted tranmission shop. They say they're not the problem, low engine power. Yes it is a little less than my 93 d250 up the hill. And I did the 2x & 4x test in the driveway foward and reverse.
I thought it was the torque converter trans guys say no.
I thought it was the torque converter trans guys say no.
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#8
Registered User
The first thing I did was have it checked out at my trusted tranmission shop. They say they're not the problem, low engine power. Yes it is a little less than my 93 d250 up the hill. And I did the 2x & 4x test in the driveway foward and reverse.
I thought it was the torque converter trans guys say no.
I thought it was the torque converter trans guys say no.
something in the transmission is not right I doubt transfer case problems unless it is the shift linkage or coupler between the transfer case and transmission.
The following 2 users liked this post by mknittle:
edwinsmith (04-01-2018),
PapeCAT (04-01-2018)
#10
Registered User
Thread Starter
I'll try the 4x test that way. Would have thought the transmission guys would have recognize that when they had the truck.
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mknittle (04-01-2018)
#11
Registered User
#12
Registered User
If you were to chain it to a big tree and then take up the slack then floor it shouldn't you be able to smoke the tires? I'm not saying to try this but if you did...
Or you could put it on a dyno.
Or you could put it on a dyno.
#13
Registered User
If the stator is seized in the torque converter than it just becomes a fluid coupling with no torque multiplication. Symptoms would be low power off idle from a stop. The truck should be OK at highway speeds though.
Transmission guys often don't think about this as it's not a slipping condition. The engine would be slow to respond to throttle application.
Try power braking it and see if the RPM's are lower than the other truck. You don't need a tach you'll be able to tell by the sound.
Transmission guys often don't think about this as it's not a slipping condition. The engine would be slow to respond to throttle application.
Try power braking it and see if the RPM's are lower than the other truck. You don't need a tach you'll be able to tell by the sound.
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mknittle (04-02-2018)
#14
Registered User
Thread Starter
If the stator is seized in the torque converter than it just becomes a fluid coupling with no torque multiplication. Symptoms would be low power off idle from a stop. The truck should be OK at highway speeds though.
Transmission guys often don't think about this as it's not a slipping condition. The engine would be slow to respond to throttle application.
Try power braking it and see if the RPM's are lower than the other truck. You don't need a tach you'll be able to tell by the sound.
Transmission guys often don't think about this as it's not a slipping condition. The engine would be slow to respond to throttle application.
Try power braking it and see if the RPM's are lower than the other truck. You don't need a tach you'll be able to tell by the sound.
Did another driveway test with the 4x6, 4x4 low no problem, 4x4 high no problem, now in just drive & no problem this time.
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mknittle (04-03-2018)
#15
Registered User
Maybe the transfer case wasn't engaged. weird things sometimes happen that later on we never figure out.