bolt size and crush washer
Ok the bolt I need to know the size of is the 6 bolts that hold on the sump cover that you must take off to get at the oil filter and drain plug.
*I went to sears and got a 12mm and it fit perfect, so thats taken care of. Just took a few trips. Also where can I buy JUST a crush washer for the oil plug? autozone and checkers wants to sell me a whole new plug that comes with the washer and wont sell just the washers... Their computers dont even have 2009 rx8 parts listed in them, so they couldnt sell me a plug+washer like they initially told me. I remember reading about the honda s2000 crush washers fitting just fine so I got a 08 s2000 plug & washer and am just gonna throw away the plug I guess. Also what size do I need so I can avoid the hassle of them not having it in their system, and just say "I need a xx size washer". I know the one I bought was called a 14-1.5, then another I have says 090-075.1(that was the plug+washer for a s2000). The only way I could get a washer separate was a nice guy at autozone that just popped open a drain plug package and gave me the washer. I know a mazda dealership would have the washer, I would just prefer to avoid driving 25-30 miles to the nearest one when I should be able to go down to any store around here if I knew the correct size. Thanks for any help, went up to the dealership today and they told me it would be $48.50 for an oil change lol, theres no way in hell I am paying that. |
Almost 40 views and not a single post. :(
I think the drain plug on the 09+ rx8s is different than the ones from 04-08, thats the reason I am asking this question. From what I have read in the DIY thread for oil changes and from searching people were saying it was different, so I figured it might also be a different size. If its the same size plug and washer then at least say so, if you know. As I said autozone/checkers has 0 things in their system for 09 rx8s so they arnt able to help me. |
go and do the oil change at the dealer go back the next day and tell them they forgot the o ring and thats it
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First, if you did some searching you would of had some answers..
The Oil Drain Plug is different on 09's, it is a FLUSH recess type and you have to use an 8 mm Hex head long spanner tool to undo. The plug washer though is the same a Series 1 RX-8's...but the plug is not...as I said. I will take a pic and post for you.. The crush washer is Mazda Part Number 9956-41-400 Plug part number shown in Pic.. And I also showed my 8 mm Hex Tool to undo the Plug. BTW: The Plug you have on your car is painted BLACK...the one I show here is my spare.. https://www.rx8club.com/attachment.p...1&d=1262681442 |
Originally Posted by sebarx8
(Post 3375655)
go and do the oil change at the dealer go back the next day and tell them they forgot the o ring and thats it
Ash I know its 8mm hex, the bolt I was asking about was for the sump cover and I figured that out myself, with 3 trips to sears. All I needed to know was if the drain bolt on series 2 was a different diameter than series 1, and according to you its not so I can just ask for a washer/bolt from an 04-08 rx8 and be fine using just the washer. Thank you for the pic and part number of washer. :) |
Yes, the drain plug washers are the same as S1 RX-8's, in fact the same washer is used in all Mazda's used over the past 40 years.
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drain plug
Originally Posted by ASH8
(Post 3375680)
Yes, the drain plug washers are the same as S1 RX-8's, in fact the same washer is used in all Mazda's used over the past 40 years.
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I haven't measured the exact size, but they have a better design that uses a 17mm socket versus 8mm key, which was more prone to stripping.
Still have my old one sitting around so I could measure it when I get home. Here are some pictures of them, along with the part number of the updated plug. |
Would anyone happen to know the thread size for the bolts that hold on the aluminum panel that's under the engine (circled in picture)? I have 2 that locations where the threads are stripped out on the subframe. Previous owner addressed by using a slightly smaller bolt and a nut. It works OK but wrench access is a challenge. So I'm considering drilling and tapping for the the next size up from the stock bolts so I can ditch the nut and bolt arrangement.
https://cimg0.ibsrv.net/gimg/www.rx8...f35c6196d0.png |
Can’t say for sure since it’s an S2, but likely to be M6-1.00, though possibly M8-1.25 though that seems unlikely just to hold an Aluminum pan in place.
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So just take one of the other bolts out and go to Home Depot. At the hardware area where the nuts and bolts are will be a thread checker tool that you can screw the bolt into to confirm size and thread.
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