1989 Dodge Ram Troubleshooting my pick up

Tiny
DIESELDUDE
  • MEMBER
  • 1989 DODGE RAM
  • V8
  • 4WD
  • MANUAL
  • 137,658 MILES
I own a 1989 Dodge Ram 150 4x4. It is a day cab w/ a short bed and a 4 speed tranny. I have owned the truck for about 3 months and have plans to restore it. It also is my everyday vehicle.
I was living in Colorado, when I decided to move to southern California. I planned on driving here. After about 500 miles in Nevada, I all of a sudden smelled gear oil and had a very low toned humming or grinding sound. I checked all the boxes including the tranny and they were all full.
The next morning I decided to pull the left and right inner and outer bearings and races and replaced them. I then decided the problem was fixed. Re-assembled and started heading back on my trip. About a half mile went and once again felt and heard the same noise that I had heard the night before. However this time, in was intermittent. It would come and go. Im in California now and will be going back to Las Vegas in a couple of days to try and figure out whether I should replace parts in the rear end or not. What do you think? Or where should I begin looking from here?
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Friday, October 22nd, 2010 AT 8:36 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Was there any evidence of a leak anywhere? Was anything low?
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Saturday, October 23rd, 2010 AT 12:12 AM
Tiny
DIESELDUDE
  • MEMBER
Yes. Right rear passenger side wheel seal. There was gear fluid sprayed all over the tire and drum. However the fluid level in the pumpkin was full.
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Saturday, October 23rd, 2010 AT 12:26 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
If the wheel cylender is not leaking, it sounds like an axle seal issue. And yes, that will cause the brake issue you have experienced.

As far as the noise, the bearing is most likely bad and that is what caused the seal to go.

Let me know if you have other questions. Also, good luck redoing it. I did an 89 about 4 years ago. They are one of my favorite body styles. Someone made me an offer on it that I couldn't refuse. Now I wish I did refuse it.

Joe
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Saturday, October 23rd, 2010 AT 9:41 PM
Tiny
DIESELDUDE
  • MEMBER
So just to be clear, you are suggesting to replace the rear axle bearing and seals correct?
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Monday, October 25th, 2010 AT 1:58 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
That sounds like what is needed. If you have gear lube in the brake drum, that is where the problem is coming from. NOTE: I am assuming an axle bearing has caused the seal to go bad. Please remember, I am not there to confirm that. However, based on past experience and your description, that is what it sounds like. And yes, the gear lube on the brakes and drums will cause what you are feeling. Many times it will actually cause the brake to grab and skid.
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Monday, October 25th, 2010 AT 6:31 AM

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