Rear Diff and Driveshaft Advice? 88 4runner
#1
Rear Diff and Driveshaft Advice? 88 4runner
I've got an 88 4Runner V6 manual w/235K. Awesome truck, I love it.
About a year and a half ago I replaced the stock rear springs with OME. Install went well enough for someone with my limited skill. Afterword she shook like a sonofabitch however. Realized the lift screwed up the alignment of the driveshaft. After about 6 months of shimmying I got a guy to make up a couple shims to correct the DS angle. The driveshaft was aligned but it still shimmyed a little and got pretty loud on the highway.
This past week I took her on a 400 mile highway drive. Realized today the rear diff was totally dry. Completely. My lazy ass hadn't check it since my son was born a year ago. It sounds like there's a coke can floating around in there.
In addition, now she's shimmying like before I installed the shims.
Question for you guys with much more knowledge/experience than I... Any good articles out there on rear diff rebuilds? And, what are the chances I torqued my driveshaft back when I lifted it 2" and the recent highway driving torqued it further. (The driveshaft looks straight to my untrained eye)
Thanks...
About a year and a half ago I replaced the stock rear springs with OME. Install went well enough for someone with my limited skill. Afterword she shook like a sonofabitch however. Realized the lift screwed up the alignment of the driveshaft. After about 6 months of shimmying I got a guy to make up a couple shims to correct the DS angle. The driveshaft was aligned but it still shimmyed a little and got pretty loud on the highway.
This past week I took her on a 400 mile highway drive. Realized today the rear diff was totally dry. Completely. My lazy ass hadn't check it since my son was born a year ago. It sounds like there's a coke can floating around in there.
In addition, now she's shimmying like before I installed the shims.
Question for you guys with much more knowledge/experience than I... Any good articles out there on rear diff rebuilds? And, what are the chances I torqued my driveshaft back when I lifted it 2" and the recent highway driving torqued it further. (The driveshaft looks straight to my untrained eye)
Thanks...
#3
Registered User
x2 sounds like u-joint
edit: I have 4" of lift in the rear and have used shims and not used shims no shimmys or shakes either way.
edit: I have 4" of lift in the rear and have used shims and not used shims no shimmys or shakes either way.
Last edited by Plumbrbob; 02-21-2009 at 06:40 PM.
#4
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Join Date: Feb 2009
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ome springs shouldnt be high enough to require shims. I agree, probly your u-joints bad, and yea, thats wierd that you diff would just go dry.....maybee someone really needed 90W and siphoned it out of your axle.
Last edited by son_of_a_lc; 02-21-2009 at 08:22 PM.
#5
Or, maybe it leaked out the plug or axle seals.
You've probably ruined the diff and your U-joints sounds like they're cooked. Used diffs aren't expensive. I'm assuming you have a 4.10 diff which you can pick up for between $25 and 60.
Try lubing the U-joints one at a time to figure out which one is the problem, or just check for play if they're bad.
You've probably ruined the diff and your U-joints sounds like they're cooked. Used diffs aren't expensive. I'm assuming you have a 4.10 diff which you can pick up for between $25 and 60.
Try lubing the U-joints one at a time to figure out which one is the problem, or just check for play if they're bad.
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