1999 Saturn SC2 Oil B low By

Tiny
TSTERNER
  • MEMBER
  • 1999 SATURN SC2
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 108,000 MILES
Engine blow-by. Plugs are dry on both ends, no oil leaks and only puffs out a small ball of smoke when idling for a minute or so and sometimes not even then. No misses. Runs fantastic, just using oil. Also no loss of water. It has plenty of power, fantastic gas mileage and hate to get rid of it. Im hoping its valve seals. Is there a way to just check them without all the checks like compression etc?
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Saturday, November 21st, 2009 AT 11:11 AM

11 Replies

Tiny
SATURNTECH9
  • EXPERT
A compression test wont tell u if u have a problem with ur oil rings that will tell u if u have bad compression rings.A good indicator of bad valve seals is when u start the car when its cold and u get blue smoke that clears after if starts and runs for a few mins. The early saturns they were having us replace the valves seals to help with oil consuption. Lets start out with how much ur car uses lets say in 3,000 miles like between oil changes last I heard from saturn there allowed to use 1 quart every 2, ooo miles and that was normal consuption. My 99sl2 uses more then that. What I do and it helps alot with oil is use is put a quart of lucas oil additive in the organic one in every oil change that stuff is great we used to put it in at the saturn dealer where I worked. So please answer my questions and we will figure something out.
Louie
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Saturday, November 21st, 2009 AT 12:25 PM
Tiny
TSTERNER
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I thought a compression test would also help to tell if I may have a head gasket leaking letting the oil go out the exhaust. Ive put 1 qt of Lucas additive in exchange for 1 qt of oil (Castrol High Mileage 5-30) Next change I thought of trying just Castrol 30 weight with Lucas. It uses about 2 qts every 3000 miles and I change it always at that mark. Just hard to believe Im losing that much without a lot of smoke or oil leaks and the car running as great as it does. Thanks for any help that you or anyone else can give me.
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Saturday, November 21st, 2009 AT 1:51 PM
Tiny
SATURNTECH9
  • EXPERT
No a compression test only tests compression of each cyclinder it has no way of telling where the compression is leaking if it is low. Also if ur car runs as good as u say then compression isnt a issue here. Now if u wanted to see where a cyclinder was leaking u would use what is called a cyclinder leak down tester where u put the pistion up to top dead center with both exhaust and intake valves closed and hook up compressed air to it and it has a pressure gauge for incomming air and a percentage of escaping air and if it reads to high of escaping air then u would listen for the escaping air thru the valves dipstick hole other cyclinders etc. But thats if u had a compression issue or u could use that if u were loosing coolant threw the exhaust or help track down a cracked head with coolant escaping. The head gasket loosing oil into the combustion chambers thur the headgasket on a saturn never had that happen except on the sl1s where oil leaks out of the back of the head where the oil comes up to head from the block and that is a slow leak. With two quarts loosing every 3000 miles is that with lucas?Also I wouldnt run straight 30 oil u could run 10w40 oil.
Also my car will use two quarts of oil in 3000 miles with no leaks or alot of smoke its not uncommon the oil rings get gummed up and stick sucked up against the piston instead of away from the piston scraping the cyclinder wall. Have seen it on alot of saturn engines I have taken apart have that happen. Also the cyclinder walls get out of round.
Louie
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Sunday, November 22nd, 2009 AT 12:01 PM
Tiny
TSTERNER
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Ok Is there something I can try? You suggest using 10-40. Would you also use a quart of Lucas, not at all or use more? Lucas claims that on worn engines you can use up to 60% of the systems capacity, which in my opinion is about the same as using straight 30 weight or even thicker oil. Isnt changing the viscosity a big part of what Lucas does in reality? Im 56 years old and never owned a car that uses that much oil between oil changes without having BIG leaks or smoking so bad that there isnt any bugs living close by, or both. Theres no leaks and as said before, only smokes if left to idle for a minute or so and then only a puff of blue smoke. This car is a great car except for oil loss. Its almost time for an oil change so what would would you suggest using? Im thinking Castrol 10-40 as you suggested but how much Lucas do you suggest using? By the way, THANKS MUCH LOUIE
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Sunday, November 22nd, 2009 AT 12:59 PM
Tiny
TSTERNER
  • MEMBER
Got a kite in my e-mail stating I have a reply waiting but for the life of me I cant find it. If someone is trying to converse with me, please redo or tell me what to do to receive message. Thanks.
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Monday, November 23rd, 2009 AT 6:00 PM
Tiny
SATURNTECH9
  • EXPERT
Ok I have something for u try take out ur pcv valve and see if its all gummed up or not a saturn one it should have cv and a number if its a saturn one and if its not a saturn one or gummed up or has a weak spring in it replace it the way u check the spring is turn it so the hose nipple faces straight down look at the valve it should be closed not even a little open or it is bad. If u replace it only use a saturn one a bulletine came out not to use aftermarket they make the engine consume excessive oil.I hear u on the blue smoke all the time with consumption of that much oil but they do have seen alot of them. As far as ur oil change goes going from 5w30 to 10w40 will help and use 3 quarts of oil and 1 quart of lucas the non synthentic one and castrol is a good oil thats what I use. If u want to try something else with the lucas on this next oil change I have something for u I have had good luck with it in the past is engine restore in the silver can walmart carrys it get the four cyl one it fills in the grooves of ur cyl walls and healps seals the rings. As far the lucas in the oil it does help to thicken it and it also sticks to everything so it helps to seal ur rings and all that.I cant help u on that kite thing for the message it wasnt me sending u a message except this one and the last one. Well good luck to u and let me know how ur oil consuption is going iam dealing with it on my saturn as well also that u for the donation its greatly appreachiated and feedback is also greatly appreachiated.
Louie
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Monday, November 23rd, 2009 AT 6:48 PM
Tiny
TSTERNER
  • MEMBER
Ok Louie, Im physically handicapped but as soon as possible I will check the pvc valve. I already pulled it out and did the shake and rattle test but now I will check if its a Saturn one. It isnt sticking I can at least say that much. Will be using 10-40 and 1 Lucas when changing next oil. Had a bad experience with Restore in an Escort, so I dont use the product. Thanks again for your help and will let you know what happens. Valve # was MV775 and under that it says made in US. Ran out to Saturn an d got new one that has Delco-Remy stamped on it. Next is the oil change. Will keep you posted, and did I say thanks? Lol
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Tuesday, November 24th, 2009 AT 6:48 AM
Tiny
SATURNTECH9
  • EXPERT
I have used that restore in my 69 caddy when I had it and several saturns I had but if u had a bad expernice with it then I don't blame u one bit. That Lucas works good though I have uses it alot and used to sell it at the Saturn dealer a. Put it in customers cars before they closed th dealer. Changing the Pcv was a good move too that should help u also that's the first I use to do when I ran a oil consuption test. Also yes u did say thanks a couple of times which I appreachiate alot of people don't say thanks they just take the info and move on. Also if u wanted to leave feedback for me that would be nice but that's up to u let me know how everything works out keep in touch.
Thanks
Louie
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Tuesday, November 24th, 2009 AT 10:41 AM
Tiny
TSTERNER
  • MEMBER
Louie if you get this message so far so good. Only used qt. Of quart in 1000 miles. Now I can live with that. Had to replace water pump since talked last but never overheated. I live in Pa. And it doesnt like the thicker oil on cold starts, and still smokes if left idiling when first hit the gas. Like I said though, I can live with the oil usage now. When the weather breakes Ill work on the sunroof and get that working and then the car should be about perfect. Thanks once again for all your help.
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Saturday, January 2nd, 2010 AT 2:38 PM
Tiny
SATURNTECH9
  • EXPERT
Glad everything is working out in that cold weather u might want to get a block heater running that thick oil. Good luck on the sunroof though u can't change the sunroof rails on ur model u have to get the whole sunroof module let me know when u tackle that iam a expert on those sunroofs on the saturns.
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Saturday, January 2nd, 2010 AT 3:10 PM
Tiny
TSTERNER
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Thanks again Louie. Ran across a person selling the whole kit on the sunroof, but kind of salty for me, so if and when I attack that I will surely contact you. Might try one of those dipstick oil heaters if I can find one cheap enough. If anyone reads this other then Louie, I give him all of my support. Every thing he suggested worked and I would trust his word. Sorry Louie, Im not too savy with these machines so I hope everything I said helps you. You sure helped me. Take care till next time.
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Sunday, January 3rd, 2010 AT 2:41 PM

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