 oil light? |
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| sk8kat1 |
 Jan 15 2006, 05:40 PM
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#1
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Senior Member  Group: Members Posts: 911 Joined: 10-October 05 From: belvidere ,IL Member No.: 4,937  |
when I am stopped on a decline or if I comne to a hard stop the oil light flickers ?!
I chkd to see the oil is at the bottom narker ... 1) what oil is to be added to the car 5w 30 -- 10w40? ..... is there any thing else I should chk as well ? |
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| Bleyseng |
Jan 15 2006, 06:49 PM
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Aircooled Baby! Group: Members Posts: 13,034 Joined: 27-December 02 From: Seattle, Washington (for now) Member No.: 24 Region Association: Pacific Northwest |
I like 20/50 wt for year around....5-30wt is too thin but I use 0-40wt in my turbo Passat.
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| SGB |
Jan 15 2006, 07:24 PM
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#3
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just visiting Group: Members Posts: 4,086 Joined: 8-March 03 From: Huntsville, AL Member No.: 404 Region Association: South East States |
yes, 5w30 is too light, even in Illinois in January. Here in alabama I use 15W50. I think I've always read a 50 wt is right for an air-cooled engine, but I think 10w40 as a minimum should be used on your next oil change. You can overfill a 914 a little, up to 1/2 qt, but certainly no more. Too much will start leaking out somewhere- usually the valve cover gaskets. I try to put about 1/4th qt over the "filled"mark.
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| Aaron Cox |
Jan 15 2006, 07:27 PM
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#4
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Professional Lawn Dart Group: Retired Admin Posts: 24,541 Joined: 1-February 03 From: OC Member No.: 219 Region Association: Southern California |
green light means less than 10psi of oil pressure.....
sounds like your low on oil. AA |
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| Howard |
Jan 15 2006, 08:22 PM
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#5
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Incontin(g)ent Member Group: Benefactors Posts: 5,785 Joined: 24-July 03 From: Westlake Village, CA Member No.: 943 Region Association: None 
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Holy sheep shit. I agree with Aaron! I overfill my oil a bit for spirited driving. Top mark and a little won't hurt. I use 10/30 year round without any oil consumption problems. Thick stuff scares me in the winter (SoCal) since my oil temps rarely exceeds 180.
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| Bleyseng |
Jan 15 2006, 09:21 PM
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#6
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Aircooled Baby! Group: Members Posts: 13,034 Joined: 27-December 02 From: Seattle, Washington (for now) Member No.: 24 Region Association: Pacific Northwest |
20/50wt is thick stuff to you???
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| bd1308 |
Jan 15 2006, 09:27 PM
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#7
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Sir Post-a-lot Group: Members Posts: 8,020 Joined: 24-January 05 From: Louisville,KY Member No.: 3,501 |
20w-50 is real good...engine runs real sweet with it (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif)
b |
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| Michael J |
Jan 15 2006, 09:28 PM
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#8
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Welcome to 2007 Group: Members Posts: 268 Joined: 23-November 04 From: Olympia, WA Member No.: 3,166 |
One other thing to check is if the wire is firmly plugged into the sender on the top of the engine. I had a similar problem with the red light coming on at odd times. turned out that the wire was just sitting on the sending unit and was not plugged in.
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| bd1308 |
Jan 15 2006, 09:43 PM
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#9
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Sir Post-a-lot Group: Members Posts: 8,020 Joined: 24-January 05 From: Louisville,KY Member No.: 3,501 |
according to the porsche manual, a slight flicker of the light at idle isnt of a grave concern......
b |
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| Howard |
Jan 15 2006, 09:46 PM
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#10
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Incontin(g)ent Member Group: Benefactors Posts: 5,785 Joined: 24-July 03 From: Westlake Village, CA Member No.: 943 Region Association: None
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Yup. OEM advises 30w over 32f. I'm no engineer, but doesn't higher viscosity oil circulate slower and provide less cooling? Could be my imagination, but engine seems to gain revs a bit quicker with 30w. Opinions??? I have a 2.0 with an aux cooler. Even at the track in summer it never heats up that much. Edit: I think the problem is more oil level in this case, anyway. |
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| Aaron Cox |
Jan 15 2006, 09:48 PM
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#11
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Professional Lawn Dart Group: Retired Admin Posts: 24,541 Joined: 1-February 03 From: OC Member No.: 219 Region Association: Southern California |
then your not driving hard enough (IMG:http://www.914world.com/bbs2/html/emoticons/tongue.gif) i run 20-50, all 7 qts of it in my oil system..... (front cooler and big lines) hardly heats up..... lots of oil pressure when cold |
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| bd1308 |
Jan 15 2006, 09:48 PM
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#12
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Sir Post-a-lot Group: Members Posts: 8,020 Joined: 24-January 05 From: Louisville,KY Member No.: 3,501 |
yeah but i dont think they had multi-viscosity oil back in the 70s...did they?
30w thins out.... 20w-50 stays as thick as 50w when warm.... best of both worlds.... b |
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| Aaron Cox |
Jan 15 2006, 09:51 PM
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#13
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Professional Lawn Dart Group: Retired Admin Posts: 24,541 Joined: 1-February 03 From: OC Member No.: 219 Region Association: Southern California |
i think your backwards.... when cold its 50wt... never thins past 20weight right? im lost (IMG:http://www.914world.com/bbs2/html/emoticons/wacko.gif) |
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| sk8kat1 |
Jan 15 2006, 09:58 PM
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#14
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Senior Member Group: Members Posts: 911 Joined: 10-October 05 From: belvidere ,IL Member No.: 4,937 |
ok 20-50 -- seems to be a good one -thanks..
(IMG:http://www.914world.com/bbs2/html/emoticons/pray.gif) what about trans -- oil? (IMG:http://www.914world.com/bbs2/html/emoticons/idea.gif) |
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| bd1308 |
Jan 15 2006, 10:05 PM
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#15
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Sir Post-a-lot Group: Members Posts: 8,020 Joined: 24-January 05 From: Louisville,KY Member No.: 3,501 |
no... hear me out its like this 30w will tend to thin out as temp increases... a multi-viscocity tends to slow this process down.... example: 20W-50 at cold temps, this oil is EXACTLY identical in flow and viscosity to a straight 20W oil... but when hot, the straight 20W oil is now as thin as maybe a 10W when cold...IE thinner because of the heat while the 20W-50 is now as thin as a 50W straight oil when hot....hence multi-viscosity. so its like having a oil that's thin enough when cold yet thick enough at operating temp to keep on providing protection for your engine b |
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| Howard |
Jan 15 2006, 10:05 PM
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#16
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Incontin(g)ent Member Group: Benefactors Posts: 5,785 Joined: 24-July 03 From: Westlake Village, CA Member No.: 943 Region Association: None
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OY! This is from my engineer? 7qts is a lot of qts for a 4. If you don't heat the oil to at least 180f contaminants will form; you won't burn off water vapor and unburned fuel. And I'll still beat you shifting at 5500 (IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif) Viscosity |
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| bd1308 |
Jan 15 2006, 10:08 PM
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#17
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Sir Post-a-lot Group: Members Posts: 8,020 Joined: 24-January 05 From: Louisville,KY Member No.: 3,501 |
85W-140 is what I use.....get natural stuff.... make sure you read the label.... look for something that says can be used for topping off limited-slip differentials only....topping off is the key word here. Limited-slip diff's require a special additive and since this product doesnt have this additive, the manufacturer advises against using it in a limited slip diff just by itself. This is good news for us. limited-slip diff's need extra friction modifiers and such, and therefore will not work very well in a transmission with servo-synchros.... GL-4 GL-5 stuff is fine, dont get fancy...again...additives are bad. SWEPCO is good from what i hear but too rich for my blood as a college student. this stuff is cheap and i can assure you my synchros work better than they ever have with this stuff.....i can speed shift now (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif) b |
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| Howard |
Jan 15 2006, 10:15 PM
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#18
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Incontin(g)ent Member Group: Benefactors Posts: 5,785 Joined: 24-July 03 From: Westlake Village, CA Member No.: 943 Region Association: None
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OK, quick test. With 20w50 oil, what does the 'w' stand for?
Think 0 and 100 Celsius (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif) |
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| bd1308 |
Jan 15 2006, 10:26 PM
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#19
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Sir Post-a-lot Group: Members Posts: 8,020 Joined: 24-January 05 From: Louisville,KY Member No.: 3,501 |
at 0 degrees C, water melts and at 100 it boils...
so maybe it represents a range of avaerage temperatures oil is supposed to be designed for? For testing purposes and comparasion purposes...otherwise, if there was no standard anybody is right...... (IMG:http://www.914world.com/bbs2/html/emoticons/confused24.gif) |
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| Howard |
Jan 15 2006, 10:30 PM
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#20
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Incontin(g)ent Member Group: Benefactors Posts: 5,785 Joined: 24-July 03 From: Westlake Village, CA Member No.: 943 Region Association: None
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Not a bad guess, but research and try again (IMG:http://www.914world.com/bbs2/html/emoticons/biggrin.gif)
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