Oil change problem??
#1
Racer
Thread Starter
Oil change problem??
I changed my oil today and noticed the drain plug has been leaking. I have changed the oil myself since new and I am quite positive I tightened the plug. I always use a new washer on the plug as well. THis time I used 2 washers and tightened it a bit more. Do you think the double washer setup is OK? Anyone else that changes their own oil have a similar problem? Thanks in advance.
#2
Originally Posted by Tom Champagne
I changed my oil today and noticed the drain plug has been leaking. I have changed the oil myself since new and I am quite positive I tightened the plug. I always use a new washer on the plug as well. THis time I used 2 washers and tightened it a bit more. Do you think the double washer setup is OK? Anyone else that changes their own oil have a similar problem? Thanks in advance.
#4
AZ Community Team
In the past I've replaced the AL washer, cleaned off the drain plug and oil pan threads, torqued to the spec and STILL had a minor dripping leak.
The solution I've done for years is to put a very small amount of Permatex aviation gasket sealer (available at most autopart stores) on both sides of the washer and the last few threads neat the head of the drain plug. I have never had a leak with this technique. Again I use very little of Permatex sealer to minimize contact with oil in the oil pan. This sealer does not hardden and remains tacky.
For whatever reason on Honda's and Acura's the 1.25mm thread cut on the drain plug to the oil pan has a loose play so they tend to sometimes have a very slow oil leak. Also never torque beyond the recommended limit set by the manual (29ft/lb)
The solution I've done for years is to put a very small amount of Permatex aviation gasket sealer (available at most autopart stores) on both sides of the washer and the last few threads neat the head of the drain plug. I have never had a leak with this technique. Again I use very little of Permatex sealer to minimize contact with oil in the oil pan. This sealer does not hardden and remains tacky.
For whatever reason on Honda's and Acura's the 1.25mm thread cut on the drain plug to the oil pan has a loose play so they tend to sometimes have a very slow oil leak. Also never torque beyond the recommended limit set by the manual (29ft/lb)
Originally Posted by Tom Champagne
I changed my oil today and noticed the drain plug has been leaking. I have changed the oil myself since new and I am quite positive I tightened the plug. I always use a new washer on the plug as well. THis time I used 2 washers and tightened it a bit more. Do you think the double washer setup is OK? Anyone else that changes their own oil have a similar problem? Thanks in advance.
#5
AZ Community Team
This is the sealer I use in the previous posting
Permatex® Aviation Form-A-Gasket® No. 3 Sealant
Nonhardening liquid gasket sealant/dressing/coating is a thin, brushable dressing or sealer for close-fitting parts. Suitable for continuous temperatures to 400°F (204°C). Resistant to antifreeze, aviation fuels, high-detergent oils and lubricants. Conforms to MIL-S-45180 D.
Permatex® Aviation Form-A-Gasket® No. 3 Sealant
Nonhardening liquid gasket sealant/dressing/coating is a thin, brushable dressing or sealer for close-fitting parts. Suitable for continuous temperatures to 400°F (204°C). Resistant to antifreeze, aviation fuels, high-detergent oils and lubricants. Conforms to MIL-S-45180 D.
#6
Originally Posted by Tom Champagne
I changed my oil today and noticed the drain plug has been leaking. I have changed the oil myself since new and I am quite positive I tightened the plug. I always use a new washer on the plug as well. THis time I used 2 washers and tightened it a bit more. Do you think the double washer setup is OK? Anyone else that changes their own oil have a similar problem? Thanks in advance.
#7
Senior Moderator
If one is good, is two better?
The first time I changed the oil (only time, actually), I re-used the aluminum crush washer since it looked pristine to the naked eye.
I ended up with a slight drip around the drain bolt.
I replaced the washer with a new one, tightened it with my torque wrench to the correct specs, and no leak. Then... I cleaned up the mess on my garage floor and topped off the oil making a mental note to never do that again.
Two washers just gives two more surfaces to leak. I wouldn't do it.
OT: I was down about a quart from factory fill after 3400 miles when I changed the oil.
I will move this thread to Problems and Fixes for better responses.
I ended up with a slight drip around the drain bolt.
I replaced the washer with a new one, tightened it with my torque wrench to the correct specs, and no leak. Then... I cleaned up the mess on my garage floor and topped off the oil making a mental note to never do that again.
Two washers just gives two more surfaces to leak. I wouldn't do it.
OT: I was down about a quart from factory fill after 3400 miles when I changed the oil.
I will move this thread to Problems and Fixes for better responses.
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#8
Originally Posted by Xpditor
The first time I changed the oil (only time, actually), I re-used the aluminum crush washer since it looked pristine to the naked eye.
I ended up with a slight drip around the drain bolt.
I replaced the washer with a new one, tightened it with my torque wrench to the correct specs, and no leak. Then... I cleaned up the mess on my garage floor and topped off the oil making a mental note to never do that again.
Two washers just gives two more surfaces to leak. I wouldn't do it.
OT: I was down about a quart from factory fill after 3400 miles when I changed the oil.
I will move this thread to Problems and Fixes for better responses.
I ended up with a slight drip around the drain bolt.
I replaced the washer with a new one, tightened it with my torque wrench to the correct specs, and no leak. Then... I cleaned up the mess on my garage floor and topped off the oil making a mental note to never do that again.
Two washers just gives two more surfaces to leak. I wouldn't do it.
OT: I was down about a quart from factory fill after 3400 miles when I changed the oil.
I will move this thread to Problems and Fixes for better responses.
I'm having the same slow drip coming from the drain bolt...i purchased a new bolt and crush washer from acura today and still have the slight drip...
My thinking is that on a relatively new car I shouldn't need to use any additional gasket materials. Anyone else having this problem?
#9
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Join Date: Nov 2003
Location: Near Seattle WA
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Nope - two oil changes on my 07 TL-S and not any sign of an oil leak. Would not expect an oil leak from this engine. No oil leaks on my 05 S2000 or on my 95 4Runner. Do what the owners manual tells you to do.
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