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Rear Main Seal Replacement

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Old 06-29-2005, 09:26 AM   #1
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Rear Main Seal Replacement

I was just wondering if how common it is to have to replace the rear main seal on a 94 4runner. It has a V6, 4wd with 105,000 miles. It leaks a lot of oil. I was quoted $645 by the local dealer and that was the cheapest price I could find. Does that quote seem reasonable? Thanks in advance for any responses.
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Old 06-29-2005, 01:36 PM   #2
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its not unreasonable for an oil seal to go after 100k miles on an 11 year old vehicle. Wish you lived near me, i'd love someone to pay me $650 to replace it. I'm doing one on my truck, takes maybe a full evening with just hand tools and a strong buddy to drop and lift the transmission with me. It should end up costing me about $20, but i understand how intimidating something like that would be for someone un-familiar with the workings of their vehicle.

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Old 06-29-2005, 01:55 PM   #3
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That sounds about right. When some guys showed me how to do the clutch they figured it'd be a good idea to replace the rear main while we were there since it was SUCH a pain to drop the transmission and get the flywheel bolts out.

Even though I've been through it once I'd still reconsider doing it again at around $645.
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Old 06-29-2005, 02:02 PM   #4
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Assuming it's a manual tranny, do the clutch, heavier flywheel, and throwout bearing while you're at it. And no, that's not a bad price. Mine went at about 140K. Sheesh...Try justifying that one to your wife when the old Corolla was still purring with 250K.
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Old 06-29-2005, 08:03 PM   #5
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My dealership wanted $850 for it. But I just let it leak because it was costing me about $2 a month to keep it filled. I figured it would take me about 425 months to recoup the cost saved.
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Old 06-30-2005, 11:49 AM   #6
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Mine has leaked for years, the front seal does too. I can clean it off, get it spotless, and it's all damp and oily in a week. Then it just stays that way, it has never once dripped a drop onto the floor, and I use a about a quart of oil every 2000 miles. I keep putting off fixing it figuring the engine will die soon (and be replaced by a V8) but at 216k+ it still runs perfectly. Go figure.
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