driveshaft center support bearing issue - Kia Forum
 
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post #1 of 10 (permalink) Old 09-30-2010, 12:39 PM Thread Starter
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Default driveshaft center support bearing issue

I have a 2 wheel drive sportage and parts are sometimes a PITA to find up here in MD. My truck has a rear driveshaft center support bearing that the 4wd models dont have, and it is making noise and needs replaced. I cross referenced numerous part numbers and found that the bearing and its housing were used in the 1988-1991 Mazda 929. This bearing needs to be pressed on and off the driveshaft, so you have to factor in a trip to a machine shop or mechanic if you are trying to fix it yourself. Anyone in this forum ever tried using the whole front half of the driveshaft from a 929 on a sportage? If the whole shaft fits, it would be an easy trip to the junkyard and a lot less downtime.
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post #2 of 10 (permalink) Old 09-30-2010, 12:46 PM
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Since you have to remove the shaft anyway, do what I do! Take it to a self-pick yard and match it up! I have converted brakes from drum to disc this way and saved hundreds of $! Good luck, GO TERPS--I went to Md

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post #3 of 10 (permalink) Old 09-30-2010, 12:51 PM Thread Starter
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My curiosity is getting to me, Ill have to head to the pickers this wknd and let you know. My other reason for doing this is Mazda Made parts seem to be a bit better than Kia parts, and should last longer.
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post #4 of 10 (permalink) Old 09-30-2010, 06:45 PM
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I bought my carrier bearing at KIA for around 240.00 part only. There is more than one way that thing can be attached. If installed wrong, the u-joint will hit the frame you were talking about. Also after I had a new shock installed, it lifted the car so much I had to have this adjusted as the drive shaft when rotating, was hitting that frame.

I own my second Sportage so I must really like em. I consider this one to be my second husband. Main issue with mine was the Timing Key(woodruff)
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post #5 of 10 (permalink) Old 10-02-2010, 08:00 PM Thread Starter
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Default 929 bearing fits, still junk like the sportage part, found temp fix

I went to the wreckers today, they have two Mazda 929 sedans, one is an 89 model with 65k on the odometer, not wrecked, perfect body, and a 91 model with 97k on the odometer and a broken timing belt. I pulled the front section of the driveshaft from the 89 model with the center bearing attached and lined it up next to the sportage part. The center bearing mount is the exact same but the driveshaft section is 2 inches longer and has a larger transmission input shaft section, so the whole shaft cannot be used. the carrier bearing I pulled had more play than the one on my truck and made more noise when spun so I decided not to even bother with buying it. I pulled the carrier bearing and front driveshaft section from my truck to see if there was a way to lube it. There is a metal dust seal that covers the front side of the bearing that can be bent back slightly with a flathead screwdriver. Underneath you can see the actual bearing. The new bearings I have seen at the kia dealer have a rubber dust seal on the bearing, strangely this was not present on my bearing and may be why so many of these wear out quickly. I used a handful of hi temp bearing grease and smooshed as much of it into the bearing as I could, until it could be seen coming out the dust seal on the opposite side. Then I used a flathead screwdriver to bend the dust seal back into place and reinstalled the driveshaft. It still has some play but is much quieter while driving and should buy me some time til I get a replacement.
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post #6 of 10 (permalink) Old 10-09-2010, 10:53 AM
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How do you replace the center drive shaft bearing and rubber cushion on a 2003 Kia Sorento, the drive shaft has a 1/2" play around the rubber cushion, because the cushion has worn away.
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post #7 of 10 (permalink) Old 10-09-2010, 12:40 PM
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Mazmutt,
Check this post out for lower cost replacement bearing. Kia Replacement Driveshafts
Don't know anything about the place but the price is pretty good.
Keep us posted on your progress.
UPYOURKIA

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post #8 of 10 (permalink) Old 10-09-2010, 06:51 PM Thread Starter
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great link to driveshaft specialists, cheapest price ive seen so far. the sorento has the same bearing issues as the sportage. if the rubber bushing has seperated this could mean the bearing has seized. i talked to a technician at the local kia dealer, he told me the high failure rate of these bearings is due to the factory heating the bearing to make it expand and make it easier to slip over the driveshaft. heating the bearing cooks the rubber seal on the bearing and lets contamination in, causing early failure. He also said some aftermarket bearings do away with the rubber seal and have a metal one instead, and should last much longer. Has anyone on here been able to replace the bearing only and reuse the rubber housing. Kia lists the bearing seperately so it must be possible.
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post #9 of 10 (permalink) Old 10-22-2014, 10:26 PM
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Ebay has it.
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post #10 of 10 (permalink) Old 11-09-2014, 10:35 AM
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I bought the oem KIA whole kit for 132.00 on ebay.

Used a rubber mallet to rest the housing on, and the old bearing to hammer the new one into the housing.
Put on all back together thinking when I tightened the bolt for the spline mount it would press the bearing on. (Mistake). Got a noise on the highway when coasting. Realized this morning what I did wrong.
Today I will remove the front portion of the drive shaft.
Hopefully I wont destroy the dust seal, and flange. Using the old bearing and a pipe I will hammer the bearing on all the way till it seats.

Since I don't have a vice or a press, or a helper like yesterday I may try putting the drive shaft on a board, and jacking the rear wheel down on the shaft to hold it tight while removing the bolt again. It can be down by one person, and a large screw driver or pry bar to hold the drive shaft, or a pipe wrench on the welds.
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