Why you don't ever let dealerships do oil changes.
So I bought my own oil and filter and brought it to the Nissan dealership to do my oil change. Considering I know they changed the filter, I literally think all the retard did was replace the filter and add the 6 quarts I supplied them (I have a 19 row oil cooler), especially considering the oil doesn't look as clear as it normally looks when it was just replaced. Regardless, I'm going back to them this weekend when I finally get a chance and bitch to them about this. I personally think they should replace the oil free of charge.
http://i833.photobucket.com/albums/z...psctqyefet.jpg |
At least you checked the work...
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If you want it done right, DIY. An oil change is pretty easy and takes less than hour. Have you removed the excess oil? You need to. Kinda doubt you'll get much satisfaction from your dealer.
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I hate taking my car to any garage for any work at all. Ill fix it myself and know it gone right.
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What would be the best way to drain it, through the filter or drain plug?
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Open the drain plug with the engine cold. Drain off a liter or two into a pan and put the drain plug back in. Check your oil level and top off as required.
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Did you let the car sit before taking the dipstick out?
And is your oil cooler mounted with fittings up or down? Edit: Just realized that my statements are conflicting... OP, if your fittings are top up, you're the one at fault for giving them 6 quarts, and that explains why it isn't "as clean". If they are fittings down, you should test oil levels almost immediately after turning the car off |
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IDZRVIT nailed. No need to get stressed out of it. Real simple fix. |
Im not sure because I do my own oil changes but, did you expect the dealership to drain your oilcooler as part of the oil change? I can't imagine anyone doing that for you. Sounds like you got a standard oil/ filter change and because you handed him 6 qts thats what he put in.
sorry about your toubles though. |
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Ok so i just checked it again after sitting over night and its reading just above the H, which at that level im comfortable with. Which reading do i trust? Why is it giving me different readings, even yesterday it would show it just above the H once, but most other times it was like in the picture.
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I have a 34 row cooler and I don't use 6 quarts, maybe 5 1/2.
The dipstick level when your engine is cold is more accurate, the oils had time to drain back down into the pan. |
so after sitting over night this is the reading it's giving, just above the H, well lower than yesterday. Just leave it? Enough to cause problems?
http://i833.photobucket.com/albums/z...psdmaybjpf.jpg |
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The FIRST oil change will take 6 quarts, subsequent ones will take a hair over 5, closer to the recommemded 5.125 quarts. And fittings up means that the 3/4 of a quart that sits in the oil cooler doesn't get changed, which accounts for it not being as clean as normal |
I was under the impression it was 6 quarts every oil change with the cooler, can anyone else verify this?
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Looks like everything is fine to me.
Difference from bottom line to top line on the dipstick for most cars is about 1 quart. You get different readings when you check your oil because it takes a long time for the oil to settle. You could get a slightly lower reading if you are waiting for the oil to come back down from the cylinder heads. You could get a slightly higher reading if you were just driving hard and oil level was splashing around your dipstick. Overall, this is not at all a super sensitive issue. So long as your oil pump pickup in the bottom of the pan stays submerged, it hardly makes a difference as to PRECISELY how much oil is in the engine. Obviously more oil stabilizes temps and increases oil longevity, but +/- 1/8" on the dipstick is never going to make a difference in anything. My oil cooler has the fittings facing up as well, I prefer this for proper dipstick readings. Facing down adds a variable to your readings, regarding exactly how long the car has been sitting and how much you estimate your oil cooling system to displace. Thats more than I want to think about when checking my oil. Facing up is more accurate, but obviously you arent changing the oil thats in the cooler since it cannot escape with engine off. Whatever. 6 quarts during an oil change would overfill my car personally. Maybe your oil cooler and lines hold more oil. But for me, 5.5 quarts gets me right to the top line. Use however much it takes. |
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When you checked your oil did you let the car sit for at least 15 minutes after shutting it off to let the oil make its way into the sump? Did you first pull the dip stick out, wiped it clean, then put the dip stick back in then pull it out to get your reading after letting it sit for 15 minutes?
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As for consumption inbetween changes... my car seems to burn about 1/2 to 3/4 quart. BUT if your car isnt turbocharged I would be expecting much less. Most turbo Z's will consume some oil between changes because the turbos sit too low for real good oil evacuation. This allows some of the oil to seep past the seals in the turbos. There is no noticeable smoke or odor, but I definitely burn off a good half quart maybe more between changes. This is why the R35 GT-R added a second stage on the oil pump to pull the oil out of the turbos to reduce oil consumption through the turbo seals. |
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Good point I guess I overlooked mentioning those details.
The turbos will not noticeably increase oil capacity. But the oil pan from my turbo kit increases it just a little bit. How much, I do not know exactly. My oil cooler is going to increase capacity, however, when your oil cooler is mounted with the fittings facing up, you will disregard this extra capacity as it will never show up a difference on the dipstick, and it will not drain out when you drain the oil. So theres maybe another .5 quart in my oil cooler, but I dont see it when doing the changes. I am sure the hoses going there possibly add another 1/4 quart to my change. I cannot recall how much oil it took before I had the cooler in there. So everyone's setup, once modified, will be a little different. After a couple oil changes you will just notice how much your car takes during a change. Until then, just do whatever it needs to keep it between the lines and dont stress too much about slight variance on the reading. |
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Like others said, just drain out a little oil and refill to the proper level. :tup: |
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:rolleyes::rofl2: (I know you mean 5 quarts) |
So I decided to drive it yesterday after seeing the level lowered considerably overnight and figured it was not overfilled enough to cause any problems. This morning, after letting it sit overnight, the level is back at the original level! (see first picture)..I kinda started freaking out because I drove it quite hard yesterday thinking the level was just a hair over the H, and now after checking it this morning it's showing almost a quart overfilled. The car did not feel any different, noticed no problems while going wot, so I'm just crossing my fingers it did not cause any damage that is not noticeable at the moment. Regardless, I'm going to drain the excess amount today after work.
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Without an oil cooler, my typical oil change is 5 quarts plus a little from the extra quart I keep around to top off when necessary. I would rather give the dealer 5 quart jug + a little extra for that reason (hence 6 quarts). If the idiots doing the oil change just threw all 6 quarts in my car without checking the level at completion, that's typical dealer$hit incompetence. NOT MY FAULT |
Are you on level ground each time you check the oil? Parking facing uphill will cause the reading to be a little lower than the actual oil level and vice versa. Just wondering why your readings are changing if you are waiting 15 mins each time
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Yes i was in my garage both times...i drained out a quart this evening and now all is good. Still was very stange i got that just barely over reading once and then way over reading the next day with same techniques.
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Oil in cooler with hoses up never (well never is a long time but it doesn't get removed) changes, it shouldn't even factor in except at initial fill. All other things being equal the oil in should = the oil out. The only variable is the size of the cooler / aftermarket oil pan that will affect initial fill up.
PS: OP, your oil will never be as clear as a complete oil change, because you're not changing ALL the oil, you're mixing in the old oil with new oil. Unless you do a couple/three complete flushes your oil will never completely change with the cooler. |
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