08-09-2007, 09:11 PM
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#1
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Join Date: Aug 2007
Age: 76
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Oil residue on inside rear wheels/1998 4runner
Just noticed my inside rear wheels are covered with streaks of some oily gunky substance, brake fluid level is OK. Suspect bearings or possibly seals on differential? What would leak on inside of rear wheels?
Towed a boat for the first time last week, however it could have been there already previously. Any chance of something overheating (seals) from extra load on tow hitch?
Does not look too good, does it? I will need experts on this one!!!
Thanks.
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08-09-2007, 09:36 PM
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#2
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Join Date: Apr 2007
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I just went through this myself. How do your brakes feel? when I went to replace my rear drums and shoes (because i could tell that nothing was working back there and my ebrake was not working and i too had the oil inside my wheel wells) my entire rear brake assembly was covered in gear oil. Unfortunately I didnt have to time to fix it myself because my registration was going to expire, so I had the inspecting gas station replace the seals for me and I got ripped for $930.
let us know what you find.
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08-09-2007, 11:20 PM
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#3
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Yeah, I just talk to my friend who is a mechanic and he said its probably "seals gone bad", LOL
Curious how much the parts cost, anybody knows?
Could do it myself and save a bundle or pat the man to do it. Guessing $500-800 at the dealer to have it done?
Any other ideas?
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08-10-2007, 09:55 AM
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#4
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Join Date: Mar 2007
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rear axle seals?
Hope I am wrong but you are describing failure or leakage of the rear axle seals. Left unattended can lead to failure of the rear axle.
Supposedly not all that difficult or expensive to replace-parts wise. Labor is the killer if you are not mechanically inclined.
Try a search "rear axle seals" also on YotaTech or IH8MUD forums.
Best of luck-I hope this is not what is occurring for two of you.
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08-10-2007, 10:28 AM
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#5
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Join Date: May 2007
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Rear axel seals for sure. Parts are pretty cheap - from the dealer $150 or so depending (the parts they offered for my 99 were all upgraded abs crap so I had to buy everything). The install is easy but requires a press. If you don't have access to one bring it in.
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08-10-2007, 10:49 AM
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#6
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The 96-98s have a problem with rear axle seals.
Check out if there is a service bulletin on this problem, it might be covered.
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08-10-2007, 11:29 AM
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#7
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"Seals Gone Bad"
Thanks for all the info, I think i can tackle this one myself to save some $$$. Read somewhere the hardest part is to take the old ones out, supposedly special tool is needed but it can be done without - just much harder.
Putting new ones in is simple if you put them in freezer for 30 min or so, they shrink just enough to fit in easy with the help of a bottle to guide them in straight.
However I may end up replacing the bearings also, don't know if special tool is required for that job. And of course may as well change the brakes.
Will check around this morning with dealers for cost of parts vs having them do the whole job.
Seems there should have been recall on this since it is such a common problem with this 3rd gen 4R. Also have 1984 toyota truck with 500K on it with no problems what so ever. Best truck ever made!
Thanks
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08-10-2007, 01:36 PM
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#8
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If they fail around 100k then I wouldn't say it's a real problem,more of an annoyance since 100k is a long time. My rear seals failed on both my 4Runners at almost 100k.
It cost me about $350 out the door and I recommend you use OEM seals since I've seen aftermarket versions fail within 20k more than once.
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08-10-2007, 03:38 PM
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#9
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i have a seal that failed on my rear axle... i made it 127K
and yes, that is what is wrong with your truck
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08-10-2007, 03:48 PM
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#10
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Seals-Gone-Bad
It seems 100K - 130K is the max they can take.
Just got a price quote from local Toyota Dealer, replace seals, turn the rotor and new pads - both sides - $1582.00 +tax
Turn the rotors - $20 per/ local machine shop
New Pads - what? $50-60
New seals - $8-10 per/ local NAPA (they suppose to last longer then OEM
Maybe 2-3 HRS work 5 max, comon how long does it take to unscrew 4 screws x two?
So what is the other $1000.00 for?
Rip-off, doing it myself or use some small repair shop if I can find one for around $500-600
Thanks
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08-10-2007, 03:51 PM
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#11
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Turn the rotor? are you getting the front brakes done as well? The rears are drum brakes and should just need a good cleaning or at most new pads..
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08-10-2007, 04:56 PM
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#12
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Thats what they told my wife, it does have ABS so could it have rear disc brakes on some models?
I have not look at the rear brakas yet, in fact I have not done anything on this car so I am not familiar with it.
Just got the Hayes manual from local public library in case I need it. Did not know they are all there and available, surprise!
Anyway I had my wife call the dealer where she got the 4R and thats what they told her...
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08-10-2007, 05:05 PM
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#13
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Yeah - all 3rd gens have rear drums as far as I know. Replacing the seals is pretty straight forward, you might want to check with a local shop to see if they can save you some $$. Good luck and hope it all turns out good!!
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08-11-2007, 11:50 AM
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#14
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here, just do it yourself and save a few hundred, heres my write up over on yotatech,.com, spent about 120$ all told, including having the old bearing pressed out and new one pressed in (4o$) at my local machine shop
http://www.yotatech.com/f2/replacing...s-pics-110243/
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08-11-2007, 12:13 PM
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#15
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SealsGoneBad
Hey Kyle, you did a great job documenting this job. I saw it before when searching for info and I will follow it. I am not sure about the bearings, if they need change I will take it some local machine shop, same with brake drums. I figure may as well change all I can while I got it apart.
Few questions:
1) Put the seals in freezer for 1/2 hr to shrink for easier fit?
2) Did you use Toyota parts and do you happen to have #s for them (1998 4runner)?
3) Does the ABS present any major problems?
4) Should I get some cheap tool to pull the seals? Do they help?
5) Any extra helpfull hints?
Thanks
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