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#1
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motor oil
I just changed my oil and I used 5w-40 as opposed to the usual 15w. I am leaking oil all over the place, all over the place. I am adding oil everyday. What can I do besides drain oil and put the usual in?? Or is that the best solution?
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http://www.libertyagrifuels.com 1984 300D Turbo 1980 300SD Sold 1983 300TD Sold Dagger 16 ft. Legend Canoe (for the weekends) Marin Northside Trail Mtn. Bike |
#2
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well.. how bad was it leaking before?
did you do a valve adjustment at the same time and not seal the valve cover correctly? Degrease the engine and hunt for leaks... I'm guessing you put in the 5w40 because you are in TN and it gets cold.. correct? |
#3
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The best solution is to track down and fix all the leaks.
I'm surprised changing from 15Wx conventional to 5W40 synthetic would result in a drastic increase in leakage. Is it possible that you just developed a more significant leak. I would clean everything up and determine what's leaking first. |
#4
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yeah that is why I chose the oil. I had the typical leaks on a car of this age and type. It was not anyhing like this though. I noticed it was leaking in many places but I saw it was leaking from the oil pan seal. It was not there before the 5w oil
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http://www.libertyagrifuels.com 1984 300D Turbo 1980 300SD Sold 1983 300TD Sold Dagger 16 ft. Legend Canoe (for the weekends) Marin Northside Trail Mtn. Bike |
#5
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Should I drain the oil and use the 15 W or is there anything I can do to thicken the 5 W up a bit??
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http://www.libertyagrifuels.com 1984 300D Turbo 1980 300SD Sold 1983 300TD Sold Dagger 16 ft. Legend Canoe (for the weekends) Marin Northside Trail Mtn. Bike |
#6
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I don't see how the weight is doing it.
In our BMW I use 0W-40 and when I pour it in, it is like honey sticking to everything (30 - 35F). So I don't see 15w being like molasses and 5w being water. (not saying what weight should be run or type) I would suggest something else is creating the leak. Good Luck Don
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1980 300TD-T (82 Turbo and Trans) 159,000 Miles "Jackie-O" 1983 300SD 272,000 Miles "Aristotle" 1987 Jeep Wagoneer Limited - keeps the MB's off the ice and out of the snow 1994 BMW 530it |
#7
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Sounds like you have problems not related to the oil. All three of our diesels run 5w40 with no real leaks or issues. All were converted over from 15w40 dino many thousands of miles ago. I actually think they leak/lose less now than they did on the 15w40 oil.
__________________
-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#8
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I can see how changing to synthetic with lighter weights would make it leak more. You may still be able to fix the leaks and run it though.
Tom W
__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#9
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I can see how changing to synthetic with lighter weights would make it leak more. You may still be able to fix the leaks and run it though.
Tom W
__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC] ..I also have a 427 Cobra replica with an aluminum chassis. |
#10
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clean it up and start chasing leaks...
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1984 123.193 372,xxx miles, room for Seven. 1999 Dodge Durango Cummins 4BTAA 47RE 5k lb 4x4 getting 25+mpgs, room for Seven. |
#11
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Pat Goss from Motor Week and Goss's Garage
once said, "Changing to synthetic oil will not cause a leak but it will highlight the leaks that are already there."
Perhaps this is an example? I guess it's time to hunt 'em down and seal 'em up.
__________________
1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine) Raleigh NC - Home of deep fried sushi! |
#12
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There is very little difference between those two oils, they are both 40 weight oils and have the same viscosity. If it started leaking very suddenly after the change I would check your drain plug for a proper seal, or anything else you may have disturbed.
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#13
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I made the mistake once of using an auto parts store oil filter and the filter housing gasket didn't fit right - I started the car up and I immediately got a small leak around the housing - I took the top off, put the old gasket back in and it was fine.
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Houston, Texas 1984 300CD 235K miles, Elvira, one owner 1987 300TD 180K miles 1974 TR6 78K miles Sarah Jane, one owner OBK #27 |
#14
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Its not the oil, chase down and fix the leak.
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1999 SL500 1969 280SE 2023 Ram 1500 2007 Tiara 3200 |
#15
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OK, IF and this is a big if... IF the leaks are indeed caused by the oil, it is too late. what can happen if you have been using a cheapo low detergent oil and it was not leaking out the places that were marginal, but clogged with gunk, the new high detergent proper oil has cleaned out the gunk, and now ANY oil will leak there.
but more than likely, the old oil would have leaked as well. don't forget the weather has changed, so gaskets and such are shrinking more at night, and this cold weather snap combined with your oil change will indeed cause odd things to happen. my advise is to steam clean your engine and find where the leaks are coming from, fix them and drive the 5K or so miles until your next oil change. enjoy faster cold starts, increased fuel mileage, and longer oil change intervals.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
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