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Old 11-22-2010, 12:32 PM   #1 (permalink)
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Yesterday I went to pull the car out of the garage and notice a small oil stain right under the oil filter accessible hole. So i reach in and feel the oil filter and it felt greasy.Checked the oil level and it was ok. I already have an appt today to get the oil change so I had the dealer check it. Come to find out the oil pan had to be resealed. Anyone else seen this on their's or was it just a bad sealant job at the factory?
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Old 11-23-2010, 12:16 AM   #2 (permalink)
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The bolts on the oil pan have to be torqued in a criss cross pattern and torqued to the correct spec with a quarter inch torque wrench otherwise you will have leaks. The honda bond/gasket maker is applied on specific areas of the oil pan. I have changed out oil pan gaskets on hondas and nissans.
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Old 11-23-2010, 02:31 PM   #3 (permalink)
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Have you had your oil changed prior to this? If so I suspect sloppy oil change or an incorrectly torqued oil drain bolt.
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Old 11-23-2010, 05:11 PM   #4 (permalink)
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Had it changed once before.
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Old 11-24-2010, 03:01 AM   #5 (permalink)
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To eliminate the possibility of a drain bolt that is not tightened enough, jack up the car and torque the drain bolt with a 3/8" torque wrench to the manufacturer's torque spec. To eliminate the possibility of oil coming from the oil filter, jack up the car and wipe down all excess oil with simple green cleaner, then make sure the oil filter is tight by grabbing it with your hand and tighten it. After you do all of this drive it around and jack up the car to look for leaks.
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Old 11-24-2010, 11:00 PM   #6 (permalink)
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QUOTE (morenar @ Nov 23 2010, 05:11 PM)
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Had it changed once before.
My guess, and that's all it is, that they blew smoke up yer behind to cover up a crappy oil change. I am also guessing they changed the oil too.
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Old 11-26-2010, 01:15 AM   #7 (permalink)
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QUOTE (Bearcats @ Nov 23 2010, 02:31 PM)
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or an incorrectly torqued oil drain bolt.
Probably that. When I changed the oil, noticed by the deformed crush washer that the surface where the washer touches is not perfectly flat. Tightened the bolt by hand like I've done it for decades without a drop leaked, but noticed a small puddle under the car. Long story short, only spec torque got rid of the leak. Factory torque specs are ridiculously high for a flimsy aluminum pan IMO, but had to do it. As a comment, Hyundai's washer seemed like steel. Next time will install a Honda one, which are softer, and deform easier. Hopefully I don't have to torque it that high. Don't want to strip that darn pan after a few times.
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Old 11-26-2010, 08:18 PM   #8 (permalink)
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What is the torque spec in lb. ft. for the Sonata's oil drain bolt? I am planning of purchasing a SE turbo.

Torque spec is 33 lb. ft. for most Honda/Acuras.
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Old 12-11-2010, 01:39 PM   #9 (permalink)
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I'd also like to know Hyundai's torque spec for the engine oil drain bolt. And the torque specs for the A/T drain and fill/check bolts. Anyone?
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Old 12-11-2010, 02:55 PM   #10 (permalink)
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As far as the actual drain plug goes, if you do your own oil changes you should really take a look at the Fumoto Valve. I have them on both current cars and will put one on any car I own. You install it once and then never have to grab the wrench again for your oil changes.
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